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STM8L151K6U3 - 16MHz 32KB Ultra-Low-Power MCU | STMicroelectronics
STM8L151K6U3

STM8L151K6U3 - 16MHz 32KB Ultra-Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L151K6U3 is an ultra-low-power 8-bit microcontroller with a 16 MHz core, 32 KB Flash memory, and a 32-pin 5 mm × 5 mm UFQFPN package. The verified distributor listing identifies the device as an STM8L EnergyLite MCU with 32 KB Flash, while the manufacturer positions the STM8L151K6 family as part of the STM8L ultra-low-power 8-bit portfolio. It combines an 8-bit CPU with embedded analog and serial peripherals for compact control, sensing, communications, and low-duty-cycle embedded products. An ultra-low-power microcontroller is an embedded semiconductor designed to complete control tasks while minimizing energy consumption between active processing intervals. In the system hierarchy, the STM8L151K6U3 belongs to the microcontroller class, within embedded processors and power-conscious embedded control. Its combination of Flash program memory, data EEPROM, real-time-clock capability, LCD support, timers, USART, I2C, SPI, ADC, DAC, and comparators allows one device to consolidate several discrete functions on a small PCB. Verified feature information identifies up to 32 KB Flash, 1 KB data EEPROM, RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, and comparators. The distributor record also confirms 8-bit operation, a 16 MHz maximum frequency, and 32 KB organized as 32K × 8. These resources suit firmware that includes user-interface updates, sensor acquisition, local data logging, communication, timekeeping, and low-power state management without requiring a separate real-time clock or interface-conversion circuitry. The STM8L151K6U3 belongs to STMicroelectronics' STM8L low-power architecture rather than the ARM-based STM32 families. That distinction matters when replacing it: software, instruction set, peripheral implementation, and toolchain assumptions may differ even when another microcontroller offers similar nominal features. ST's product page identifies the medium-density STM8L151x4/6 devices, allowing engineers to distinguish the target from lower-density STM8L151x2/3 parts when planning a redesign. Typical applications include battery-powered utility meters, compact environmental sensors, industrial control modules, wearable accessories, instrument panels, and connected sensor nodes. The target's integrated ADC and comparators suit local analog monitoring, while USART, I2C, and SPI support external sensors, transceivers, displays, and data loggers. The RTC is useful for time-stamped measurements and scheduled low-power operation, although exact current, voltage, timer, ADC, and package-registration details must be taken from the manufacturer documentation. PCB implementation should follow the exact 32-pin UFQFPN land pattern and exposed-pad requirements in the manufacturer package information. Place decoupling capacitors close to supply pins, route sensitive analog inputs away from fast-switching nodes, and confirm thermal-pad soldering against the assembly process. Firmware and peripheral configuration should also use STMicroelectronics' STM8 toolchain rather than assuming STM32 compatibility. This product record combines verified manufacturer positioning, distributor specifications, sourcing links, interface coverage, and replacement-risk guidance. It is intended to accelerate engineering evaluation while clearly separating confirmed facts from parameters that still require confirmation from the official datasheet.

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STM8L151K6U6 - 16MHz 32KB 8-Bit MCU | STMicroelectronics
STM8L151K6U6

STM8L151K6U6 - 16MHz 32KB 8-Bit MCU | STMicroelectronics

The STMicroelectronics STM8L151K6U6 is an ultra-low-power 8-bit STM8L EnergyLite microcontroller operating up to 16 MHz, with 32 KB of Flash memory and a 32-pin UFQFPN package measuring 5 x 5 mm. The device combines a CISC processor core, LCD support, real-time-clock capability and 1 KB of data EEPROM in an energy-conscious platform for embedded control. An ultra-low-power microcontroller is an integrated semiconductor that combines a processor core, memory and peripherals while prioritizing low current consumption during active operation and sleep. The STM8L family belongs to the STM8 8-bit microcontroller hierarchy and addresses battery-powered instruments, compact sensors and low-power industrial products where energy efficiency and a compact footprint are more important than high arithmetic throughput. Verified listing data identifies up to 32 KB of programmable Flash, 16 MHz maximum clock speed, 41 I/O ports, LCD support and a real-time clock. The STM8L151K6U6 also includes 1 KB of data EEPROM, allowing calibration values, configuration data and operating counters to be retained without consuming Flash. Its 1.8 V to 3.6 V supply range supports both 2 V and 3.3 V system architectures. The STM8L architecture provides a direct CISC execution model and a broad set of embedded peripherals rather than an Arm Cortex application processor. Verified distributor information identifies the MCU as an 8-bit device with 16 MHz performance and 32 KB of Flash. The K6U6 designation corresponds to a 32-pin UFQFPN configuration, with an exposed thermal and electrical connection area supporting heat transfer and PCB integration. Typical uses include low-energy sensor nodes, compact LCD instruments, portable measurement products, battery-operated controls and embedded industrial modules. The LCD interface and real-time clock are particularly useful in metering and user-interface designs, while the 41 I/O ports provide connections for sensors, switches, displays and communication peripherals in a small 5 x 5 mm package. Designers should review the complete pin assignment and exposed-pad requirements in the manufacturer datasheet before layout because the supplied verification data does not publish a complete numbered pin table. Decoupling, exposed-pad grounding, programming access and low-power configuration also require board-level validation against the official device documentation. This page consolidates verified manufacturer and distributor information, transparent sourcing limitations, package guidance and engineering-focused comparisons for the STM8L151K6U6. It distinguishes directly comparable STM8L variants from devices that require package or firmware changes and helps procurement teams evaluate the exact 32 KB, 32-pin ordering code.

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STM8L151R8T6 - 16MHz 8-Bit 64KB Flash MCU | STMicroelectronics
STM8L151R8T6

STM8L151R8T6 - 16MHz 8-Bit 64KB Flash MCU | STMicroelectronics

The STMicroelectronics STM8L151R8T6 is an ultra-low-power 8-bit STM8L EnergyLite microcontroller with a 16 MHz maximum core frequency, 64 KB of Flash program memory and 4 KB of RAM, housed in a 64-LQFP 10 x 10 mm package. It operates across a 1.8 V, 2.5 V or 3.3 V supply range and is designed for battery-operated, sensor-driven and connected embedded products. STM8L microcontrollers belong to the 8-bit microcontroller and energy-management MCU hierarchy, combining an enhanced STM8 CPU core with low-power operating modes, LCD-oriented peripherals and integrated analog resources. Their role in a system is to execute local control and measurement functions while keeping current consumption low enough for long operating life from a compact energy source. Key characteristics include 64 KB of embedded Flash, 4 KB of SRAM, a maximum clock frequency of 16 MHz and a 64-LQFP package. The STM8L151R8 family is positioned for applications requiring a balance of processing capability, low standby consumption and compact package size. The provided manufacturer and distributor references identify the device as part of the STM8L151x6/8 ultra-low-power family, which also includes STM8L152 and STM8L162 variants. The STM8L151R8T6 is suitable for energy-harvesting meters, industrial sensor nodes, wearable accessories, low-power control panels and small portable instruments. Because the device supports low-voltage operation and an LCD-oriented feature set, it can reduce the need for external components in display-driven designs. Its 64-LQFP outline also provides more I/O than the smaller STM8L151K6 package for designs requiring multiple external connections. When designing around this MCU, verify the exact operating voltage, pin multiplexing, clock configuration and low-power mode entry procedure against the STM8L151x6/8 datasheet. The STM8L151R8T6 is supplied in a tray-oriented ordering code, while STM8L151R8T6TR is the tape-and-reel ordering variant shown in distributor listings. The distinction between ordering formats is commercial rather than a change in the underlying device. This page combines verified manufacturer and distributor information with practical package, sourcing and design guidance. It also highlights the limits of the available data: detailed pin names, electrical timing curves, lifecycle declarations and volume pricing must be confirmed from the current manufacturer datasheet and authorized distributor inventory before a production release.

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STM8L152C6T6 - 8-bit Ultra-Low-Power MCU 32KB Flash | STMicroelectronics
STM8L152C6T6

STM8L152C6T6 - 8-bit Ultra-Low-Power MCU 32KB Flash | STMicroelectronics

The STM8L152C6T6 is an 8-bit ultra-low-power microcontroller from STMicroelectronics' STM8L EnergyLite family, featuring a 16 MHz STM8 core, 32 KB of Flash memory, 2 KB of RAM, and 1 KB of data EEPROM. It is housed in a 48-pin LQFP (7x7 mm) package and operates over a supply voltage range of 1.8V to 3.6V, with a temperature range of -40°C to 125°C. This device integrates a rich set of peripherals including an LCD driver, real-time clock (RTC), timers, USART, I2C, SPI, 12-bit ADC, 12-bit DAC, and comparators, making it ideal for battery-powered and energy-sensitive applications. An 8-bit microcontroller is a single-chip computer with an 8-bit data bus, executing instructions on 8-bit words. It typically integrates a CPU, memory (Flash, RAM, EEPROM), and peripherals (timers, communication interfaces, ADC) on a single die. In the system hierarchy, an 8-bit MCU sits below 16-bit and 32-bit MCUs in processing power but excels in ultra-low-power operation and cost-effectiveness for simple control tasks. The STM8L152C6T6 belongs to the STM8L ultra-low-power family, which is designed for applications where energy efficiency is paramount, such as portable medical devices, smart meters, and wireless sensor nodes. Key features of the STM8L152C6T6 include its ultra-low-power modes (Halt, Active-Halt, Wait) with current consumption as low as 0.35 µA in Halt mode, a 16 MHz CPU clock, and a 12-bit ADC with up to 28 channels. The integrated LCD driver supports up to 4x28 segments, enabling direct connection to segment LCDs without external drivers. The device also includes a true data EEPROM with up to 1 KB, allowing non-volatile data storage without external memory. The RTC provides accurate timekeeping with a separate clock domain, and the multiple communication interfaces (USART, I2C, SPI) facilitate connectivity with sensors and other peripherals. From a technical architecture perspective, the STM8L152C6T6 is built on a Harvard architecture with a 3-stage pipeline, achieving up to 16 MIPS at 16 MHz. The core includes an 8-bit accumulator, 16-bit index registers, and a 16-bit stack pointer, with a rich instruction set optimized for C and assembly programming. The device features a flexible clock system with multiple internal and external oscillator options, including a low-speed internal RC oscillator for low-power operation. The power management unit provides multiple low-power modes and a programmable voltage detector, enabling fine-grained control over energy consumption. Typical applications for the STM8L152C6T6 include smart meters (electricity, water, gas), portable medical devices (glucose meters, pulse oximeters), remote controls, and battery-powered sensor nodes. Its ultra-low-power consumption and integrated LCD driver make it particularly well-suited for devices that require long battery life and direct LCD display. The device is also used in industrial control and home automation systems where reliability and low power are critical. When designing with the STM8L152C6T6, engineers should pay attention to the power supply decoupling, placing a 100 nF capacitor close to each VDD pin and a 1 µF capacitor on the main supply. The VDDA pin should be connected to VDD through a ferrite bead to reduce noise for the ADC. Additionally, the LCD driver requires a charge pump capacitor (typically 100 nF) between the VLCD pin and ground, and the RTC requires a 32.768 kHz crystal for accurate timekeeping. Proper layout of the crystal and decoupling capacitors is essential for reliable operation.

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STM8L152C6U6 - 16MHz 32KB Ultra-Low-Power MCU | STMicroelectronics
STM8L152C6U6

STM8L152C6U6 - 16MHz 32KB Ultra-Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L152C6U6 is an ultra-low-power 8-bit microcontroller operating at up to 16 MHz, with 32 KB of Flash memory and a 48-pin UFQFPN package measuring 7 mm by 7 mm. It belongs to the STM8L EnergyLite family and integrates an RTC, LCD controller, timers, USART, I2C, SPI, ADC, DAC, and comparators for compact embedded-control designs. A microcontroller is a programmable integrated circuit that combines a CPU core, memory, peripherals, and input/output interfaces on one device. The STM8L152C6U6 occupies the MCU → embedded controller → low-power microcontroller hierarchy and is designed to manage sensors, communications, displays, and control functions while minimizing energy consumption in battery-operated equipment. Verified product information identifies a 32 KB Flash configuration, 1 KB data EEPROM, 16 MHz maximum clock, and a 48-pin UFQFPN package. The integrated RTC and LCD support are especially useful for panel-based products, while USART, I2C, and SPI provide options for external sensors, transceivers, memory, and host connectivity. The ADC, DAC, and comparators broaden the device's usefulness for signal conditioning and threshold-based control. The STM8L152C6U6 is positioned for low-power embedded systems where an 8-bit architecture, compact package, and broad peripheral set are more appropriate than a high-performance application processor. Its feature set can reduce external component count by combining control, communication, analog conversion, timing, and display functions in one device. The manufacturer's product page identifies the device as a member of the STM8L ultra-low-power 8-bit family. Typical applications include battery-powered sensor nodes, industrial sensing modules, compact HMI controllers, meter and instrument electronics, communication equipment, and low-power embedded products. The 7 mm by 7 mm package supports dense PCB layouts, but pin assignment, exposed-pad requirements, power routing, and peripheral multiplexing must be checked against the manufacturer datasheet before layout release. For a new design, use the official STMicroelectronics documentation to confirm supply-voltage limits, pin multiplexing, decoupling requirements, clock configuration, and programming options. Because the supplied web data does not include a verified unit-price table or complete pin mapping, those details should be obtained from current manufacturer and distributor resources before purchasing or committing the PCB. This page combines verified distributor availability information, manufacturer-family positioning, package and memory details, interface capabilities, application guidance, and engineering-oriented sourcing notes. It is intended to support component selection and design planning without replacing the manufacturer datasheet for final electrical validation.

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STM8L152C8T6 - 16MHz 64KB Ultra-Low-Power MCU | STMicroelectronics
STM8L152C8T6

STM8L152C8T6 - 16MHz 64KB Ultra-Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L152C8T6 is an 8-bit ultra-low-power microcontroller with a 16 MHz enhanced STM8 CPU core, 64 KB Flash memory, 4 KB SRAM, and a 48-pin LQFP package measuring 7 mm by 7 mm. It operates from 1.8 V to 3.6 V and integrates an LCD controller, real-time clock, timers, USART, I2C, SPI, ADC, DAC, and comparators. An ultra-low-power microcontroller is an energy-efficient embedded processing device designed to conserve battery energy while still providing real-time control, communications, data acquisition, and user-interface functions. The STM8L152 family belongs to the STM8L low-power MCU hierarchy, combining an 8-bit CPU architecture with integrated analog and communication peripherals for compact, battery-operated equipment. Key features include 64 KB of Flash for firmware, 4 KB of data RAM, operation up to 16 MHz, and a 1.8 V to 3.6 V supply range. The integrated LCD controller supports compact segmented or matrix displays, while the RTC provides timekeeping for metering, logging, and scheduled control. The ADC, DAC, and comparators reduce the need for external discrete components in sensing and signal-generation systems. The STM8L152C8T6 combines several embedded peripherals on one device: USART for serial communication, I2C and SPI for bus-connected sensors and memory, timers for periodic and event-driven control, and analog converters for measurements and low-level output control. Its enhanced STM8 CPU core provides increased processing power relative to earlier STM8 devices while retaining an 8-bit architecture suited to control-oriented products. Typical applications include low-energy sensor nodes, compact industrial data loggers, battery-powered meters, LCD-equipped handheld instruments, smart building controls, and connected monitoring systems. Its 64 KB Flash capacity is useful for moderate protocol stacks, local configuration data, and application firmware, while the LCD and RTC simplify standalone instrument designs. Designers should preserve the required input-voltage range of 1.8 V to 3.6 V and account for the device's specified low-power operating modes. PCB layout should provide a stable decoupling network near the supply pins and adequate signal-integrity routing for external LCD, communication, and analog interfaces. Firmware selection must also verify that the selected clock and peripheral settings remain compatible with the intended energy budget. This product page combines verified manufacturer and distributor information with memory, interface, package, application, and replacement guidance. It also distinguishes confirmed drop-in candidates from options that require firmware, package, or feature verification before they can be used as true replacements.

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STM8L152K4T6 - 16MHz 16KB Flash Ultra-Low-Power MCU | STMicroelectronics
STM8L152K4T6

STM8L152K4T6 - 16MHz 16KB Flash Ultra-Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L152K4T6 is an 8-bit ultra-low-power microcontroller operating up to 16 MHz with 16 KB of Flash memory in a 32-pin LQFP 7 x 7 mm package. The device supports 2.5 V and 3.3 V operation and integrates 1 KB of data EEPROM, an LCD interface, real-time clock, timers, USART, I2C, SPI, ADC, DAC, and comparators. An ultra-low-power microcontroller is a compact embedded controller designed to maintain accurate digital control while minimizing energy use. The STM8L family belongs to the 8-bit microcontroller hierarchy and is intended for battery-powered, portable, industrial, sensing, and control products where low active and standby power can extend operating time between maintenance events. The STM8L152K4T6 combines that low-power positioning with a broad collection of mixed-signal and communications peripherals. Key features include 16 KB of Flash for firmware, 16 MHz maximum operating frequency, 1 KB of data EEPROM, and dedicated 2.5 V or 3.3 V supply operation. Integrated LCD support is useful in meter, keypad, and panel designs, while the RTC and low-power modes suit timekeeping applications. USART, I2C, and SPI interfaces provide practical options for sensors, transceivers, memory, and external controllers. The STM8L152K4T6 also integrates a 12-bit-class ADC, DAC, and comparators according to the family-level device description, allowing compact designs to perform analog measurement and control without requiring every conversion function in a separate IC. Its 32-pin LQFP package exposes the mixed-signal and digital resources required for medium-density embedded designs while remaining compatible with conventional leaded PCB assembly methods. Typical uses include low-energy sensor nodes, LCD utility meters, industrial condition-monitoring terminals, small appliance controllers, battery-powered instruments, and compact data-acquisition systems. The LCD interface, RTC, EEPROM, serial ports, ADC, DAC, and comparators make it especially useful when a single controller must combine display, measurement, timekeeping, and external communication. Designers should verify the exact pin configuration, operating limits, memory map, and peripheral electrical characteristics in the manufacturer datasheet before layout or production release. Production quantities also require board-level checks for decoupling, analog reference stability, LCD drive requirements, clock configuration, and low-power mode transitions. The verified distributor data supports availability and pricing references, but the available excerpts do not provide a complete timing, power-consumption, or absolute-maximum-rating table. This product page combines verified manufacturer and distributor information with practical purchasing, comparison, and design guidance. It distinguishes true same-package alternatives from broader functional alternatives and identifies unavailable technical details explicitly instead of estimating them.

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STM8L152K4U6 - 16MHz 8-Bit Ultra-Low-Power MCU | STMicroelectronics
STM8L152K4U6

STM8L152K4U6 - 16MHz 8-Bit Ultra-Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L152K4U6 is an 8-bit ultra-low-power microcontroller with a 16 MHz maximum clock, 16 KB of Flash memory, and a 32-pin UFQFPN package with an exposed pad, supplied in a tray. It belongs to the STM8L ultra-low-power family and integrates an RTC, LCD controller, timers, USART, I2C, SPI, ADC, DAC, and comparators. The device is designed for compact, low-energy embedded systems where a modest processing rate and broad peripheral integration are more important than high-bandwidth processing. An ultra-low-power microcontroller is a type of embedded controller optimized to minimize energy consumption during active operation, idle periods, and shutdown states. The STM8L family belongs to the broader hierarchy of 8-bit MCU, embedded controller, and semiconductor categories. STM8L152K4U6 devices combine an energy-conscious architecture with analog and digital peripherals, allowing a design to avoid adding separate interface, conversion, or timing components. Key features include a 16 MHz maximum operating frequency, 16 KB Flash, 1 KB data EEPROM, and 2.5 V or 3.3 V supply operation as identified by the verified distributor data. Integrated communication resources include USART, I2C, and SPI, while the analog subsystem includes an ADC, DAC, and comparators. The RTC and LCD controller support designs that must retain timekeeping or directly drive a low-power display without relying on a separate host processor. The STM8L architecture uses an 8-bit CISC-style microcontroller core and a modular peripheral arrangement. The verified source describes the STM8L152x4/6 family as part of the STM8L ultra-low-power 8-bit family. Because this product is specified as a 16 KB Flash device, firmware planning must be based on 16 KB rather than the larger memory capacity available to some family members. Exact RAM, current-consumption, accuracy, and absolute maximum ratings require confirmation in the manufacturer datasheet. Typical uses include battery-powered environmental sensors, compact industrial monitoring nodes, low-power instrument interfaces, LCD-based control panels, and portable measurement products. In these systems, the integrated ADC and comparators support local sensing, the serial interfaces support external sensors or data acquisition modules, and the RTC can provide time stamping or scheduled control functions without continuous external supervision. Design consideration: select decoupling and power-distribution components according to the manufacturer reference circuit, and verify the device's exact pin assignments before PCB layout because the verified excerpts do not provide a complete pin table. Do not infer that family members with different flash sizes, temperature grades, or package suffixes are interchangeable without checking their ordering information. The STM8L152K4U6 uses a 32-pin UFQFPN with an exposed pad, so land-pattern and thermal-via design must follow the official package drawing. This page consolidates the verified manufacturer and distributor excerpts, separates exact published facts from unresolved datasheet parameters, and identifies same-family alternatives with explicit engineering differences. It also provides comparison, sourcing, design, and selection guidance to reduce the risk of choosing an MCU based only on its displayed part number.

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STM8L152K6U6 - 16MHz 32KB Ultra-Low-Power MCU | STMicroelectronics
STM8L152K6U6

STM8L152K6U6 - 16MHz 32KB Ultra-Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L152K6U6 is an ultra-low-power 8-bit microcontroller with a 16 MHz maximum clock, 32 KB of Flash memory, and a 32-pin UFQFPN package measuring 5 mm by 5 mm. It belongs to the STM8L ultra-low-power family and is designed for energy-sensitive embedded control applications that require a compact microcontroller and a broad peripheral set. An ultra-low-power 8-bit microcontroller is a compact embedded-control platform designed to consume little energy while performing sensor reading, timing, communications, data acquisition, and local control functions. The STM8L family hierarchy connects this device to 8-bit microcontrollers, embedded controllers, and semiconductor components suited to battery-operated, industrial, and always-on equipment. Its small package also supports space-constrained designs. The verified product information identifies 32 KB of Flash, operation up to 16 MHz, and an STM8L152K6-class configuration in a 32-pin UFQFPN package. The product family also provides LCD support, timers, USART, I2C, SPI, ADC, DAC, and comparators according to the supplied datasheet search result. These interfaces make the device suitable for connected sensing, low-power instrumentation, and compact control panels. The STM8L152K6U6 combines an 8-bit CPU architecture with a broad set of embedded peripherals rather than relying on external interface devices. Timer resources can support periodic measurement and PWM generation, while the ADC and comparators can monitor analog inputs. USART, I2C, and SPI options permit integration with sensors, transceivers, memory, and human-interface modules. The 32 KB Flash capacity provides room for application firmware and configuration data. Typical uses include low-energy sensor nodes, compact environmental monitors, LCD-driven utility meters, industrial condition-monitoring equipment, and battery-powered accessories. In each case, the device can consolidate several small functions into one controller while keeping the board area limited by the 5 mm by 5 mm package. Designers must still verify operating limits, peripheral availability, and pin multiplexing against the complete manufacturer documentation. The principal design consideration is package and pin planning. A 32-pin UFQFPN footprint requires careful escape routing, exposed-pad thermal management where applicable, and reflow-profile control. Exact pin names, alternate functions, and electrical limits are not included in the supplied verified excerpts, so they should not be inferred from generic STM8 family diagrams before the complete manufacturer datasheet and package drawing are reviewed. This page consolidates the verified distributor and manufacturer information, package details, interface capabilities, pricing references, and constrained drop-in alternatives. It also identifies where complete electrical, pinout, lifecycle, and compliance data remain necessary for production qualification rather than presenting unverified values as specifications.

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STM8L152M8T6 - 16MHz 64KB Low-Power MCU | ST
STM8L152M8T6

STM8L152M8T6 - 16MHz 64KB Low-Power MCU | ST

The STMicroelectronics STM8L152M8T6 is an 8-bit STM8L EnergyLite ultra-low-power microcontroller with a 16 MHz maximum CPU frequency, 64 KB of embedded Flash memory, 2 KB of data EEPROM, and an 80-pin LQFP package measuring 14 x 14 mm. It integrates an RTC, LCD support, timers, and an enhanced STM8 CPU core, making it suitable for compact control systems where energy efficiency and peripheral integration are important. An ultra-low-power microcontroller is a semiconductor designed to complete control, measurement, and communication tasks while minimizing energy consumption during active operation, standby, and low-power states. The STM8L152M8T6 belongs to the STM8L family, combining a CISC-based STM8 core with embedded Flash and EEPROM in a surface-mount package. This hierarchy places it between general-purpose 8-bit microcontrollers and highly integrated embedded control devices. Key features include a maximum CPU frequency of 16 MHz, an 8-bit data bus, 64 KB of programmable Flash, and 2 KB of data EEPROM. The integrated RTC supports timekeeping-oriented designs, while LCD support reduces the component count of segmented human-interface panels. The STM8L152M8 series also provides dedicated timer resources, allowing the MCU to measure intervals, generate timing signals, and coordinate periodic system functions without an external timing IC. The enhanced STM8 CPU core provides increased processing power compared with earlier low-power members of the STM8 family, with operation up to 16 MHz. The device combines 64 KB Flash with a separate 2 KB EEPROM area for persistent data. Its 80-LQFP package provides a large pin count relative to the device footprint, supporting extensive peripheral routing while remaining compatible with standard surface-mount assembly. Operating voltage, RAM capacity, and detailed temperature limits are not stated in the supplied source data and should be confirmed in the manufacturer documentation before design release. Typical applications include low-power sensor-hub controllers, battery-operated instruments, industrial monitoring nodes, LCD-based user interfaces, real-time-clock systems, and compact embedded products that require more I/O than a small-package MCU can offer. The combination of 64 KB Flash, 16 MHz processing speed, EEPROM, RTC, LCD support, and timers allows a single device to consolidate several peripheral functions. Designers should confirm the complete pin assignment, supply-voltage limits, decoupling requirements, and low-power configuration strategy against the manufacturer datasheet before PCB release. Because the LQFP footprint contains 80 fine-pitch leads, board assembly should provide suitable land patterns, thermal-via strategy, and soldering profiles. Firmware must also validate the active, standby, and wake-up behavior required by the final power budget. This page consolidates verified manufacturer and distributor information, source-linked pricing, same-package alternatives, comparison parameters, and practical selection guidance. It is intended to accelerate engineering review while clearly identifying parameter areas that still require datasheet confirmation.

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STM8L152R8T6 - 8-Bit Ultra-Low-Power MCU, 64KB Flash | STMicroelectronics
STM8L152R8T6

STM8L152R8T6 - 8-Bit Ultra-Low-Power MCU, 64KB Flash | STMicroelectronics

The STM8L152R8T6 is an 8-bit ultra-low-power microcontroller from STMicroelectronics, part of the STM8L EnergyLite family. It features an enhanced STM8 CPU core running at up to 16 MHz, 64 KB of Flash memory, 4 KB of RAM, and 2 KB of data EEPROM. The device is housed in a 64-pin LQFP (10x10 mm) package and operates over a supply voltage range of 1.8V to 3.6V, with a temperature range of -40°C to 125°C. It integrates a rich set of peripherals including an LCD driver, real-time clock (RTC), timers, USART, I2C, SPI, ADC, DAC, and comparators, making it suitable for a wide range of low-power applications. An 8-bit microcontroller is a single-chip computer with an 8-bit data bus, typically used in embedded systems where cost, power efficiency, and simplicity are prioritized over raw processing power. The STM8L152R8T6 belongs to the STM8L series, which is specifically designed for ultra-low-power operation, featuring multiple low-power modes (Wait, Low-power Run, Low-power Wait, Active-halt, and Halt) to minimize energy consumption. In the broader hierarchy, it sits as a microcontroller -> 8-bit MCU -> ultra-low-power MCU -> STM8L EnergyLite family, and is a key component in battery-powered and energy-harvesting applications. Key features include an ultra-low-power STM8 core with up to 16 MHz operation, 64 KB Flash with read-while-write capability, 4 KB RAM, 2 KB true data EEPROM with error correction code (ECC), and a 12-bit ADC with up to 28 channels. The device also integrates a 12-bit DAC, two comparators, an LCD driver supporting up to 8x40 segments, and a real-time clock with calendar and alarm functions. Its low-power design achieves typical current consumption of 3.4 µA in Halt mode with RTC on, and 0.35 µA in Halt mode without RTC, making it ideal for battery-powered devices. From a technical depth perspective, the STM8L152R8T6 uses a Harvard architecture with a 3-stage pipeline, allowing most instructions to execute in a single clock cycle. The Flash memory supports read-while-write, enabling firmware updates without halting the CPU. The device includes a flexible clock system with internal and external oscillators, a phase-locked loop (PLL) for frequency multiplication, and a clock security system for fail-safe operation. The ultra-low-power design is achieved through advanced process technology and multiple power domains, allowing independent power management of the core, peripherals, and I/O. Typical applications include portable medical devices (e.g., glucose meters, pulse oximeters), smart meters, wireless sensor nodes, and industrial control systems. The STM8L152R8T6's low power consumption and rich analog peripherals make it particularly well-suited for battery-powered applications where long battery life is critical. Its LCD driver and RTC also make it ideal for consumer electronics like digital thermometers and smart watches. When designing with this device, pay careful attention to the power supply decoupling: place a 100 nF capacitor close to each VDD pin and a 1 µF capacitor at the main power input. Additionally, configure the unused I/O pins to analog mode or low-power mode to minimize leakage current, and use the low-power modes effectively to extend battery life.

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STM8L162M8T6 - 8-Bit Ultra-Low-Power MCU, 64KB Flash | STMicroelectronics
STM8L162M8T6

STM8L162M8T6 - 8-Bit Ultra-Low-Power MCU, 64KB Flash | STMicroelectronics

The STM8L162M8T6 is an 8-bit ultra-low-power microcontroller from STMicroelectronics' STM8L EnergyLite family. It features a 16 MHz STM8 core, 64 KB of Flash memory, 4 KB of RAM, and 68 I/O pins in an 80-pin LQFP package (14x14 mm). Operating from 1.8V to 3.6V, it is designed for energy-efficient applications requiring long battery life. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, executing instructions sequentially. It integrates a processor core, memory (Flash, RAM), and peripherals (timers, UART, SPI, I2C, ADC) on one IC. In the hierarchy of embedded systems, an MCU is a type of integrated circuit, specifically a microcontroller, which falls under the broader category of semiconductors. The STM8L EnergyLite series is optimized for ultra-low-power operation, making it a key component in battery-powered and energy-harvesting designs. Key features include multiple low-power modes (Wait, Low-power Run, Low-power Wait, Active-halt, Halt) with current consumption as low as 0.3 µA in Halt mode, a 12-bit ADC, two comparators, a real-time clock (RTC), and a wide range of communication interfaces (USART, SPI, I2C). The device also includes an LCD driver (up to 8x40 segments), a 12-bit DAC, and a DMA controller, enhancing its versatility for sensor and display applications. The STM8L162M8T6 is built on a low-leakage CMOS process, achieving industry-leading energy efficiency. Its architecture supports fast wake-up times (as low as 4 µs) and dynamic voltage scaling, allowing designers to balance performance and power consumption. The integrated bootloader and in-application programming (IAP) capabilities simplify firmware updates in the field. Typical applications include portable medical devices (glucose meters, pulse oximeters), smart meters, wireless sensor nodes, and industrial process control. Its ultra-low-power modes and rich analog peripherals make it ideal for battery-powered systems where every microamp matters. When designing with this MCU, pay attention to the power supply decoupling: place a 100 nF capacitor close to each VDD pin and a 1 µF capacitor at the main supply. Use the low-power modes strategically to extend battery life, and ensure the crystal oscillator layout is clean to maintain accurate timing.

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STM8S001J3M3 - 16MHz 8-bit MCU, 8KB Flash, SOIC-8 | STMicroelectronics
STM8S001J3M3

STM8S001J3M3 - 16MHz 8-bit MCU, 8KB Flash, SOIC-8 | STMicroelectronics

The STMicroelectronics STM8S001J3M3 is a 16 MHz 8-bit STM8S microcontroller with 8 KB of Flash program memory, 128 bytes of true data EEPROM, and a 10-bit ADC, packaged in an 8-pin SOIC (SO-8/SO8N) outline. It is the lowest-pin-count member of the mainstream STM8S value line, offering the full STM8S peripheral set in a footprint as small as the ATtiny13/ATtiny85. According to the ST datasheet (DocID026881), the device integrates a Harvard-architecture 3-stage pipeline core, three timers, plus UART, SPI, and I2C communication interfaces, all in a tiny 8-pin package. A microcontroller (MCU) is an integrated circuit that combines a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), small non-volatile data storage (EEPROM), and a configurable set of digital and analog peripherals on a single silicon die. The STM8S family sits in the 8-bit MCU category, which traces up the hierarchy to microcontroller -> embedded processor -> semiconductor IC. The STM8S core uses an extended instruction set that is binary-compatible across the STM8S/STM8L families, making code portable to higher-pin-count siblings when the design grows. Key features include 8 KB Flash with in-application/in-circuit programming, 128 bytes of true byte-erasable EEPROM rated for 100 k cycles, 1 KB SRAM, 5 ADC channels with 10-bit resolution and up to 12-bit oversampling, a 16 MHz internal RC oscillator calibrated to ±1%, and a 1.8 V to 5.5 V supply range. The 8-pin SOIC exposes just enough I/O to drive a handful of switches, LEDs, sensors, or a serial link, and the integrated brown-out reset and watchdog timer simplify safety-critical designs. Two 16-bit timers and one 8-bit timer provide PWM, input capture, and output compare functions for motor, LED, and timing control. Architecturally, the STM8S001J3 is a derivative of the STM8S003F3 with the same silicon die repackaged into an 8-pin SOIC, dropping most GPIOs in favor of a tiny PCB footprint. The integrated voltage regulator lets the chip run from a single 1.8-5.5 V rail without external components. With an active-mode current in the single-digit mA range and multiple low-power modes down to a few microamps, it is well suited to battery-powered gadgets and always-on sensor nodes. Typical applications include low-cost sensor interface boards, replacement of ATtiny13/ATtiny85 designs, smart LED controllers, IR remote transmitters/receivers, simple motor and fan controllers, battery chargers, and hobby/educational platforms such as the STM8 eForth project. The wide operating temperature range (-40C to +125C) and 5 V tolerance on most pins also make it viable for industrial control front-ends. When designing with this device, note that only 6 of the 8 pins are usable as GPIO because NRST and power pins are mandatory. Use the SWIM debug interface for in-circuit programming and debugging, and place a 100 nF decoupling capacitor as close as possible to the VDD pin. Compare pinout carefully against ATtiny85 migration paths before re-using existing PCB layouts. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the ST datasheet, helping engineers quickly evaluate the STM8S001J3M3 for low-pin-count 8-bit designs.

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STM8S003F3P6 - 8-bit MCU 8KB Flash 16MHz TSSOP-20 | STMicroelectronics
STM8S003F3P6

STM8S003F3P6 - 8-bit MCU 8KB Flash 16MHz TSSOP-20 | STMicroelectronics

The STMicroelectronics STM8S003F3P6 is a value line 8-bit microcontroller based on the STM8 core, running at up to 16 MHz with 8 KB of Flash memory, 1 KB of RAM, and 128 bytes of true data EEPROM in a 20-pin TSSOP package. An 8-bit microcontroller (MCU) is a single-chip computer integrating an 8-bit CPU, program memory, data memory, and programmable peripherals. The STM8S003F3P6 belongs to the STM8S series within the STM8 family, positioned below the 32-bit STM32 series in STMicroelectronics' product hierarchy and targeting cost-sensitive embedded control. Key features include 8 KB Flash with integrated true EEPROM (up to 100,000 write/erase cycles), a 10-bit ADC with 5 channels, and UART, SPI, and I2C interfaces. The device operates from 2.95V to 5.5V, supporting both 3.3V and 5V systems, with 16 programmable I/Os and 7 timers/counters including a 16-bit timer, an 8-bit timer, and watchdog timers. The STM8 core uses a Harvard-architecture 3-stage pipeline delivering 16 MIPS at 16 MHz. An internal 16 MHz RC oscillator eliminates the need for an external crystal in many designs. Low-power modes include Halt, Active-Halt, and Wait, with 3.6 mA typical in Run mode at 16 MHz and about 1 uA in Halt mode. Typical applications include home appliances, industrial control, consumer electronics, motor control helpers, and sensor interfaces. Its wide voltage range and robust I/O make it popular in white goods, power tools, and battery-powered devices, while the integrated EEPROM removes external non-volatile memory from the BOM. Design tip: decouple VDD with a 100 nF capacitor placed close to the pin. The internal RC is accurate to approximately 2%, so use an external crystal when precise timing is required. SWIM single-wire in-circuit programming simplifies firmware updates. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes beyond the ST datasheet, as of 2026-08-29.

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STM8S003F3P6TR - 8-bit MCU, 8KB Flash, 16MHz | STMicroelectronics
STM8S003F3P6TR

STM8S003F3P6TR - 8-bit MCU, 8KB Flash, 16MHz | STMicroelectronics

The STMicroelectronics STM8S003F3P6TR is an 8-bit microcontroller based on the STM8 core, offering 8KB of Flash memory, 1KB of RAM, and 640 bytes of EEPROM in a 20-pin TSSOP package. It operates at a maximum frequency of 16 MHz and supports a supply voltage range of 2.95V to 5.5V, making it suitable for a wide range of cost-sensitive embedded applications. Data verified as of 2026-08-05. An 8-bit microcontroller (MCU) is a compact integrated circuit that contains a processor core, memory, and programmable input/output peripherals on a single chip. The STM8 core is an 8-bit CISC architecture designed for high code density and efficient performance in low-cost applications. As a member of the STM8S series, this MCU sits within the broader hierarchy of microcontrollers, which are themselves a subset of embedded processors used in everything from consumer electronics to industrial control systems. Key features include 8KB of Flash program memory, 1KB of SRAM, and 640 bytes of true data EEPROM with write protection. The device integrates a 10-bit analog-to-digital converter (ADC) with up to 5 channels, a UART, SPI, and I2C interface, and a 16-bit timer with PWM capability. It also includes a watchdog timer, a clock security system, and a low-power mode to minimize energy consumption. The STM8S003F3P6TR is built on a robust 8-bit architecture with a 3-stage pipeline, enabling most instructions to execute in a single clock cycle. The device supports a wide operating temperature range from -40°C to +85°C, making it reliable for industrial environments. The TSSOP-20 package offers a compact footprint of 6.4mm x 4.4mm, ideal for space-constrained PCB designs. Typical applications include home appliances, small appliances, lighting control, power tools, and sensor interfaces. Its rich peripheral set and low cost make it a popular choice for high-volume consumer products where cost efficiency is paramount. When designing with this MCU, ensure proper decoupling of the VDD pin with a 100nF capacitor placed close to the device. The NRST pin should be connected to VDD through a 100nF capacitor and a pull-up resistor to prevent spurious resets. For programming, the SWIM interface requires a single-wire connection, simplifying in-circuit programming. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the ST datasheet, providing engineers with a comprehensive resource for evaluating the STM8S003F3P6TR.

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STM8S003K3T6 - 8-bit 16MHz MCU, 8KB Flash | STMicroelectronics
STM8S003K3T6

STM8S003K3T6 - 8-bit 16MHz MCU, 8KB Flash | STMicroelectronics

The STMicroelectronics STM8S003K3T6 is an 8-bit value-line STM8S microcontroller featuring a 16 MHz advanced STM8 core, 8 KB of Flash program memory and 128 bytes of true data EEPROM, housed in a 32-pin LQFP (7x7 mm) package. According to the manufacturer datasheet, the device integrates a 10-bit ADC, three general-purpose 16-bit timers, a UART, SPI and I2C communication interfaces, plus independent watchdog timers with separate clock source for safety-critical applications. The chip operates from 2.95 V to 5.5 V supply and is built on ST's state-of-the-art 130 nm embedded Flash process. A value-line microcontroller (often called an 8-bit MCU) is a small, low-cost processor optimised for embedded control tasks such as sensor reading, motor actuation, indicator driving, and user-interface handling. Within the broader semiconductor hierarchy, an MCU is a subset of microprocessors (MPU) and is differentiated by integrated Flash, RAM and peripherals on a single die. The STM8S003K3T6 occupies the entry-level value-line of the STM8S family, balancing die size, peripheral set and price for cost-sensitive designs where a 32-bit MCU is unnecessary. Key features that differentiate the STM8S003K3T6 in its class include 1 KB of RAM, the integrated 10-bit SAR ADC with up to 5 multiplexed channels, the clock security system (CSS) that detects external clock failure and switches to the internal RC oscillator, plus 100 k write/erase cycle endurance on the data EEPROM. Robust I/O design tolerates 5 V injection on adjacent pins, simplifying mixed-voltage interface to legacy 5 V peripherals. The 32-pin LQFP-32 (7x7) footprint provides easy hand-soldering and breadboard prototyping versus fine-pitch QFN options. Technically, the STM8S003K3T6 is engineered around the proprietary STM8 core with 16-bit index registers and a 20-bit program counter, executing most instructions in 1-2 clock cycles. The integrated voltage regulator and brown-out reset (BOR) circuitry protect the Flash against low-voltage write corruption. The 16 MHz system clock can be sourced from an external crystal, resonator, or the factory-trimmed internal 16 MHz RC oscillator with ±1 % accuracy across the full operating temperature range. Typical applications include low-cost consumer appliances (rice cookers, washing-machine user interfaces, induction cooktops), battery-powered sensor nodes, LED lighting controllers, simple BLDC/PMSM auxiliary motor drivers (fans, pumps), 5 V industrial control buttons, and Arduino-Nano-compatible hobbyist boards. The wide 2.95-5.5 V supply range and proven STM8 toolchain (STVD, IAR, Cosmic, SDCC) make it a frequent second source for legacy 8051 designs requiring a software refresh. When designing with the STM8S003K3T6, choose between the internal 16 MHz RC oscillator (saves BOM cost) and an external crystal (better UART baud-rate accuracy). Decouple VDD/VSS with 100 nF ceramic capacitors placed within 3 mm of each supply pin, and reserve the SWIM pin (single-wire debug) for in-circuit programming. For noisy environments, enable the CSS and the window watchdog for IEC 60730 class B compliance. This page synthesizes distributor pricing, drop-in alternatives and practical design notes not found in the manufacturer datasheet, and is intended as a faster reference than the 31-page ST datasheet for engineers evaluating the part for production.

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STM8S005C6T6 - 8-bit MCU, 32KB Flash, 16MHz | STMicroelectronics
STM8S005C6T6

STM8S005C6T6 - 8-bit MCU, 32KB Flash, 16MHz | STMicroelectronics

The STM8S005C6T6 is an 8-bit microcontroller from STMicroelectronics' STM8S value line, featuring a 16 MHz STM8 core, 32 Kbytes of Flash program memory, and 128 bytes of data EEPROM. It is housed in a 48-pin LQFP (7x7 mm) package, offering a compact footprint for space-constrained embedded applications. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, integrating a processor core, memory, and programmable peripherals. The STM8S005C6T6 belongs to the STM8S family, which is part of the broader STM8 8-bit MCU category, positioned below 32-bit ARM Cortex-M devices in the microcontroller hierarchy. It provides a cost-effective solution for applications requiring moderate processing power and rich peripheral integration without the complexity of 32-bit architectures. Key features include a 16 MHz CPU clock, 32 KB Flash, 2 KB RAM, 128 bytes EEPROM, and a comprehensive set of peripherals: 10-bit ADC, UART, SPI, I2C, timers, and up to 38 I/O pins. The device operates from a 2.95V to 5.5V supply, making it suitable for both 3.3V and 5V systems. Its robust ESD protection and wide operating temperature range (-40°C to +85°C) enhance reliability in industrial environments. The STM8S005C6T6 is built on ST's proprietary STM8 core, which delivers up to 20 MIPS at 16 MHz, providing efficient code execution for control-oriented tasks. The integrated EEPROM allows data storage without external components, simplifying BOM and reducing system cost. The device supports in-circuit programming and debugging via SWIM interface, enabling rapid firmware development. Typical applications include home appliances, industrial control, sensor interfaces, and consumer electronics. Its 5V-tolerant I/Os and rich peripheral set make it ideal for motor control, lighting, and power management systems. The wide voltage range and low power consumption support battery-powered devices. When designing with this MCU, ensure proper decoupling of the VDD pins with 100nF capacitors and a bulk capacitor. The SWIM pin should be pulled high for programming. For EMC-sensitive designs, follow ST's layout guidelines for the LQFP package to minimize noise coupling.

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STM8S007C8T6 - 8-Bit MCU, 64KB Flash, 24MHz | STMicroelectronics
STM8S007C8T6

STM8S007C8T6 - 8-Bit MCU, 64KB Flash, 24MHz | STMicroelectronics

The STM8S007C8T6 is an 8-bit microcontroller from STMicroelectronics' STM8S Value Line family, featuring a 24MHz advanced STM8 core with Harvard architecture and a 3-stage pipeline. It comes in a 48-pin LQFP package and offers 64KB of Flash memory, 6KB of RAM, and true data EEPROM. With 38 programmable I/O lines, 9 timers/counters, and interfaces including I2C, SPI, and 2 UARTs, this MCU is designed for cost-sensitive embedded applications requiring robust performance and low power consumption. An 8-bit microcontroller is a single-chip computer with an 8-bit central processing unit (CPU), memory, and programmable input/output peripherals. It is a type of embedded microcontroller, which is a compact integrated circuit designed to govern a specific operation in an embedded system. The STM8S007C8T6 belongs to the STM8 family, which is a line of 8-bit microcontrollers from STMicroelectronics, positioned between low-end 8-bit MCUs and higher-performance 32-bit ARM Cortex-M devices. Its Harvard architecture separates instruction and data buses, enabling simultaneous access and faster execution, while the 3-stage pipeline increases throughput at a given clock frequency. Key features of the STM8S007C8T6 include a maximum CPU frequency of 24MHz with 0 wait states at 16MHz, 64KB of Flash memory, 6KB of RAM, and true data EEPROM for non-volatile data storage. It integrates a 10-bit ADC, multiple timers, and communication interfaces (I2C, SPI, 2 UARTs), making it versatile for various control and monitoring tasks. The device operates over a temperature range of -40°C to 85°C and has a maximum power dissipation of 443mW, suitable for industrial and consumer environments. Technically, the STM8 core is an advanced 8-bit architecture with a 3-stage pipeline, allowing most instructions to execute in a single clock cycle. The 24MHz clock speed provides up to 24 MIPS throughput, which is competitive for 8-bit MCUs. The Flash memory supports in-application programming (IAP) and in-circuit programming (ICP), enabling firmware updates in the field. The true data EEPROM allows for byte-level read/write operations, useful for storing calibration data or system parameters without external memory. Typical applications include home appliances, industrial control, sensor interfacing, and automotive body electronics. The rich peripheral set and 38 I/O lines make it suitable for motor control, lighting systems, and human-machine interfaces. Its low power consumption and wide operating voltage range (typically 2.95V to 5.5V) support battery-powered devices and 5V logic systems. When designing with this MCU, consider the power supply decoupling and crystal oscillator layout. Use a 0.1uF capacitor close to each VDD pin and a 10uF bulk capacitor. For the external crystal, place it near the OSC pins with proper load capacitors as specified in the datasheet. Ensure the reset pin has a pull-up resistor and a capacitor for reliable power-on reset.

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STM8S103F2M6 - 8-Bit 16MHz 4KB MCU | STMicroelectronics
STM8S103F2M6

STM8S103F2M6 - 8-Bit 16MHz 4KB MCU | STMicroelectronics

The STMicroelectronics STM8S103F2M6 is an 8-bit STM8S access-line microcontroller operating up to 16 MHz, with 4 KB of Flash memory and 1 KB of RAM in a 20-pin SOIC package. The verified distributor listing identifies a 2.95 V to 5.5 V supply range, 16 I/O ports, integrated data EEPROM, a 10-bit ADC, three timers, UART, SPI, and I2C. It is intended for compact embedded-control designs that need a capable peripheral set without the complexity of a 32-bit MCU. An 8-bit microcontroller is a compact embedded-processing device optimized for control logic, sensing, communication, and actuator management. Within the STM8S family hierarchy, this device combines an 8-bit core, Flash program memory, RAM, and on-chip peripherals in one package. The STM8S103F2M6 is suitable for low-cost, low-power industrial, consumer, appliance, instrumentation, and embedded control systems where deterministic I/O and peripheral integration are more important than high arithmetic throughput. The headline features are a 16 MHz maximum CPU frequency, 4 KB Flash, 1 KB RAM, 16 I/O ports, and integrated EEPROM. Its 10-bit ADC enables analog measurement from basic sensors, while the three timers support timing, PWM, and periodic control functions. UART, SPI, and I2C interfaces provide flexible connectivity to sensors, displays, transceivers, memories, and other microcontrollers. The 20-pin SOIC package is suitable for conventional surface-mount assembly and hand-soldered prototypes. The STMicroelectronics datasheet describes the STM8S103F2 family as an access-line MCU family with up to 8 KB Flash across family variants. For the specific STM8S103F2M6 ordering code, the verified distributor results specify 4 KB Flash and a 16 MHz CPU. This distinction matters because related family members may have different memory capacities, pin counts, or package options. Firmware and PCB decisions should therefore use the exact ordering code rather than relying only on the STM8S103F2 family name. Typical applications include small motor or relay controllers, temperature and light monitoring, keypad interfaces, LED indicators, low-cost measurement instruments, communication modules, and compact household or industrial automation nodes. The ADC and communication peripherals allow a single device to acquire sensor data and connect it to a host system. For designs requiring higher processing performance or larger memory, a 32-bit MCU may be preferable, while this device is optimized for economical embedded-control tasks. When designing, verify the exact pin assignments, alternate-function selection, clock configuration, ADC input availability, and peripheral instance mapping from the STMicroelectronics datasheet. Place decoupling capacitors close to the supply pins and keep high-current or switching nodes away from sensitive analog inputs. Program the device with a compatible STM8 toolchain and validate startup, reset, clock, and watchdog behavior on the final PCB. This page synthesizes the verified manufacturer and distributor information, package details, application guidance, and engineering considerations for engineers evaluating the STM8S103F2M6. It emphasizes exact-ordering-code verification rather than assuming every STM8S103F2 family variant has identical resources.

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STM8S103F2P3 - 16MHz 8-Bit MCU, 4KB Flash | STMicroelectronics
STM8S103F2P3

STM8S103F2P3 - 16MHz 8-Bit MCU, 4KB Flash | STMicroelectronics

The STMicroelectronics STM8S103F2P3 is an 8-bit STM8S access-line microcontroller operating at up to 16 MHz, with 4 KB of Flash program memory and integrated data EEPROM, housed in a 20-pin TSSOP package. The verified distributor listings identify a 2.95 V to 5.5 V supply range, 16 I/O ports, a 10-bit ADC, three timers, UART, SPI, and I2C. Its small package and low-voltage operation make it suitable for compact embedded controls, sensor nodes, and simple industrial products. What is an 8-bit microcontroller? An 8-bit MCU is a programmable integrated circuit that executes instructions using an 8-bit data bus. In the embedded-control hierarchy, the STM8S103F2P3 belongs to the STM8S MCU family, which combines a CPU core, Flash program memory, data EEPROM, peripherals, and GPIO in one low-power device. It is intended for applications that need deterministic control and multiple serial interfaces without the resource demand of a higher-bit MCU. The STM8S103F2P3 is listed by STMicroelectronics as part of the STM8S103F2/x3 access line. The verified specifications show 4 KB of Flash for the STM8S103F2P3 ordering code, while the related STM8S103F2 family also includes variants with larger memory. The device provides a 16 MHz clock, a 10-bit ADC, three timers, UART, SPI, and I2C, making it a broad platform for embedded sensing, communications, and actuator-control designs. The 20-pin TSSOP package helps reduce PCB area compared with larger leaded packages. With 16 I/O ports, the device can connect digital inputs, outputs, and serial peripherals while leaving the remaining pins for power, clock, reset, and programming functions. The 2.95 V to 5.5 V operating range supports common embedded supply systems, although the final design should verify every electrical limit against the manufacturer datasheet. Typical applications include small sensor nodes, digital control boards, temperature or analog-signal monitoring, simple communication bridges, LED and relay-control systems, and compact access-line embedded products. The UART, SPI, and I2C peripherals allow the MCU to interface with sensors, transceivers, memories, displays, and actuators without requiring a separate interface controller. For a new design, verify the exact pinout, alternate-function assignments, clock configuration, and reset behavior before layout. The verified web data does not provide a complete pin-by-pin mapping, pricing, lead time, or all electrical timing values, so those fields are marked as unavailable rather than inferred.

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STM8S103F2P6 - 16MHz 8-Bit 4KB MCU | STMicroelectronics
STM8S103F2P6

STM8S103F2P6 - 16MHz 8-Bit 4KB MCU | STMicroelectronics

The STMicroelectronics STM8S103F2P6 is a 16 MHz 8-bit microcontroller with 4 KB of Flash program memory in a 20-pin TSSOP package. It belongs to the STM8S103 access line and integrates a 10-bit ADC, three timers, UART, SPI, and I2C interfaces. These characteristics make it suitable for compact embedded control, sensing, communications, and actuator-control systems requiring an economical general-purpose MCU. An 8-bit microcontroller is a semiconductor that executes instructions and processes sensor, control, and communications data using an 8-bit data path. The STM8S family combines a microcontroller, memory, and peripherals in one integrated circuit. Within the product hierarchy, the STM8S103F2P6 is an 8-bit MCU, an embedded controller, and a semiconductor intended for low-cost, compact electronic systems. The principal features include a 16 MHz operating frequency, 4 KB of Flash memory, a 10-bit analog-to-digital converter, three timers, and support for UART, SPI, and I2C serial communication. The 20-TSSOP surface-mount package also supports space-constrained PCB layouts. Together, these resources allow a design to combine analog measurement, periodic timing, digital control, and peripheral communication without requiring a separate ADC or communications transceiver. The STM8S103F2 uses the advanced STM8 core with Harvard architecture and a three-stage pipeline, as identified in the manufacturer datasheet search result. Its Harvard architecture separates instruction and data access paths, while the three-stage pipeline supports efficient sequential execution. Integrated data EEPROM is listed as a family feature by STMicroelectronics, although the exact EEPROM size for this orderable MPN is not present in the supplied verified data. Typical applications include industrial sensor modules, compact motor and relay controllers, digital thermometers, appliance interfaces, low-cost serial bridges, LED-control boards, and compact instrumentation. The ADC supports analog input acquisition, while UART, SPI, and I2C provide paths for external sensors, displays, memory devices, and system controllers. The three timers support periodic events, timing bases, and basic control functions. A key design consideration is verifying the exact pin multiplexing and peripheral assignments for the selected 20-TSSOP footprint in the manufacturer pinout and datasheet. Designers should also confirm memory requirements, clock configuration, ADC accuracy needs, and communication-voltage levels before committing the part to a new PCB. A complete 20-pin pinout was not included in the supplied verified excerpts and is therefore not reproduced here. This page combines verified distributor identification, manufacturer feature information, package details, application guidance, and honest cross-reference analysis. It also distinguishes verified drop-in candidates from functional alternatives so procurement and engineering teams can evaluate interchangeability without relying on incomplete distributor metadata.

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STM8S103F3M6 - 16MHz 8KB 8-Bit MCU | STMicroelectronics
STM8S103F3M6

STM8S103F3M6 - 16MHz 8KB 8-Bit MCU | STMicroelectronics

The STMicroelectronics STM8S103F3M6 is an 8-bit STM8S access-line microcontroller operating up to 16 MHz, with 8 KB of Flash program memory and a 20-pin SOIC package. The verified product information identifies a 2.95 V to 5.5 V supply range, 16 I/O ports, integrated true data EEPROM, and an 8 KB Flash organization of 8K × 8. Its lifecycle status is active. A microcontroller is a programmable semiconductor device that integrates a processor core, memory, and peripherals into one compact component. In the device hierarchy, the STM8S103F3 belongs to the STM8S 8-bit MCU family, a cost-conscious platform for embedded control. The STM8S103F3M6 is intended for products that need deterministic low-complexity control, local sensing, actuator output, and communication without adopting a higher-cost 32-bit MCU. The principal verified features include a 16 MHz clock, 8 KB Flash memory, true EEPROM, 16 I/O ports, and operation across a 2.95 V to 5.5 V supply range. The true data EEPROM is useful when persistent parameters must be retained outside the program Flash. Sixteen I/O ports give a compact design multiple digital connection points, while the 20-pin SOIC package supports conventional surface-mount assembly. The access-line positioning emphasizes general embedded utility rather than automotive qualification or extreme-performance processing. The STM8S architecture is suited to small control loops, keypad interfaces, indicator logic, sensor conditioning, and communication modules. Because only Flash memory and clock speed were explicitly quantified in the supplied verified results, detailed RAM, peripheral, timer, and electrical limits should be confirmed in the manufacturer documentation before design release. Firmware migration also requires reviewing the applicable STM8S103F3 device datasheet, reference manual, startup files, linker configuration, and toolchain settings. Typical applications include building controls, compact industrial interfaces, appliance controllers, instrumentation, and low-power sensor nodes. At 16 MHz, the MCU can service multiple time-sensitive I/O tasks while keeping the design centered on an economical 8-bit processor. Its 8 KB Flash capacity also makes it most appropriate for applications with modest code requirements and simple update behavior. Designers should confirm every peripheral assignment, alternate-function mapping, pin type, and electrical limit from the official STM8S103F3M6 documentation before PCB release. Decoupling, clock stability, programming access, and exposed-pin assignments must follow the manufacturer recommendations. This page combines verified distributor and manufacturer information with procurement context and engineering guidance rather than filling missing technical details with assumptions. The information below synthesizes official product positioning, distributor listings, verified pricing evidence, and application-specific design considerations. Missing RAM, timer, peripheral, and package details are intentionally marked for verification, preventing unsupported claims from entering a new design.

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STM8S103F3P3 - 16MHz 8-Bit MCU, 8KB Flash | STMicroelectronics
STM8S103F3P3

STM8S103F3P3 - 16MHz 8-Bit MCU, 8KB Flash | STMicroelectronics

The STMicroelectronics STM8S103F3P3 is an access-line, 8-bit STM8S microcontroller rated up to 16 MHz, with 8 Kbytes of Flash program memory, integrated true data EEPROM, and a 20-TSSOP package. It combines a 10-bit ADC, three timers, UART, SPI, and I2C interfaces in a compact surface-mount package suitable for cost-sensitive embedded control systems. The device operates from a 3.3 V or 5 V supply according to the verified distributor specifications. An STM8S microcontroller belongs to the 8-bit embedded-microcontroller hierarchy, where an MCU integrates a CPU core, program memory, data memory, peripherals, and interface logic on one semiconductor die. The STM8S103F3 access line is positioned for compact embedded applications where a modest processing rate, useful analog measurement, and multiple serial interfaces are more important than high-bandwidth computation. Its integrated true data EEPROM also allows frequently changed calibration or configuration data to be stored separately from program Flash. Three principal characteristics define this device: a maximum 16 MHz operating frequency, up to 8 Kbytes of Flash program memory, and a 10-bit ADC. The STM8S103F3P3 additionally provides three timers and UART, SPI, and I2C serial interfaces. These resources allow a design to measure analog inputs, control timing-dependent outputs, and communicate with sensors, transceivers, displays, or external nonvolatile memories without requiring several separate interface devices. The STM8S103F3P3 uses STMicroelectronics' STM8 8-bit architecture and is associated with the STM8S103F2/x3 access-line family. At 16 MHz, the device provides substantially more timing headroom than an 8 MHz-class MCU while retaining the straightforward programming model and integrated peripherals expected from an entry-level 8-bit platform. The available verified information does not specify RAM size, ADC resolution details beyond 10-bit capability, or individual peripheral timing ratings, so those details should be confirmed in the manufacturer datasheet before timing-critical design work. Typical uses include compact industrial controllers, appliance control boards, sensor acquisition modules, motor or actuator controllers, communication gateways, and low-cost consumer products. The three timers support periodic control and timing functions, the 10-bit ADC supports analog sensing, and UART, SPI, and I2C cover common embedded communication requirements. The 20-TSSOP package is particularly useful where a through-hole footprint is unnecessary but a fine-pitch surface-mount assembly is available. PCB implementation requires careful decoupling of each supply pin and a low-impedance connection between the MCU and its crystal or clock source when an external resonator is used. Firmware must preserve the device-specific reset, boot, and oscillator options, and peripheral inputs must remain within the electrical limits published by STMicroelectronics. Because the verified distributor result explicitly describes the STM8S103F3P3 as packed in a tube, procurement should use the manufacturer ordering information to confirm the shipping quantity and marking treatment. This page combines the verified STMicroelectronics family information with distributor pricing, package details, selection guidance, and practical design considerations. It distinguishes confirmed capabilities from parameters that still require datasheet verification, helping engineers identify the STM8S103F3P3 for compact, mixed-signal embedded-control designs without treating unverified electrical details as guaranteed specifications.

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STM8S103F3P6 - 8-bit 16MHz MCU, 8KB Flash, 20-TSSOP | STMicroelectronics
STM8S103F3P6

STM8S103F3P6 - 8-bit 16MHz MCU, 8KB Flash, 20-TSSOP | STMicroelectronics

The STMicroelectronics STM8S103F3P6 is an access-line 8-bit microcontroller from the STM8S family, featuring a 16 MHz STM8 core, 8 KB of Flash program memory, and an integrated true data EEPROM, housed in a 20-pin TSSOP package. The device delivers 1 Kbyte of SRAM, a 10-bit ADC, three 16-bit timers, plus UART, SPI, and I²C communication interfaces, with 16 programmable I/O pins for general-purpose use. Operating from a 2.95 V to 5.5 V supply, the STM8S103F3P6 provides a balance of small footprint, low power, and rich peripherals for cost-sensitive embedded designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripheral interfaces. The STM8 core uses an advanced Harvard architecture with a 16-bit instruction word and 32-bit program counter extension for efficient code density. The "Access line" designation indicates this part targets cost-optimized designs with sufficient peripherals for general control tasks. This positions the STM8S103F3P6 within the broader taxonomy: MCU -> 8-bit microcontroller -> STM8 family -> STM8S access line -> STMicroelectronics 8-bit portfolio. Key features include 8 KB Flash with in-application programming (I2AP) capability, 640-byte true data EEPROM rated for 300 k write/erase cycles, a 10-bit ADC with up to 5 channels, and a 4-channel 16-bit PWM/timer structure supporting capture, compare, and one-pulse modes. The integrated SWIM debug interface and on-chip watchdog with window option simplify development and field reliability. The 20-pin TSSOP package offers a compact 6.5 mm × 4.4 mm footprint suitable for space-constrained PCBs. Typical applications include low-cost consumer appliances, sensor interface nodes, LED lighting controllers, battery chargers, simple motor drivers, and replacement of legacy 8051 or PIC16 designs. The wide 2.95-5.5 V supply range also supports 3.3 V and 5 V industrial systems without level shifters. Designers should note that the STM8S103F3P6 (industrial grade, -40 °C to 85 °C) and the STM8S003F3P6 differ in feature set; the '103 part includes a beeper and AWU peripherals absent on the '003. For higher memory needs, the STM8S105 series provides 32 KB Flash in larger packages. This page synthesizes distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet alone.

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