Интегральные схемы

STM8L101F3P3

STM8L101F3P3 - 8-Bit 16MHz Ultra-Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L101F3P3 is an 8-bit ultra-low-power STM8L EnergyLite microcontroller with up to 16 MHz processing speed, 8 KB of Flash program memory, and a 20-pin TSSOP package. It operates across a 1.65 V to 3.6 V supply range and combines an enhanced STM8 CPU core with low-power design features for embedded control systems. A microcontroller is a programmable control component that integrates a processor, memory, digital I/O, timers, communications peripherals, and supporting logic on one semiconductor device. The STM8L101F3P3 belongs to the STM8L low-power 8-bit family, a compact MCU platform intended for cost-sensitive, low-power, low-complexity applications. Its CISC-style STM8 architecture supports efficient code density, while its 24-bit linear addressing space provides access to the device memory map. Key features of the STM8L101F3P3 include an enhanced STM8 CPU core reaching up to 16 MIPS at 16 MHz, 8 KB of Flash memory, multifunction timers, comparators, USART, SPI, and I2C interfaces, and up to 18 I/O ports. The 1.65 V to 3.6 V operating range supports low-voltage battery-powered systems as well as standard embedded control rails. The 20-TSSOP package provides a compact surface-mount footprint for space-constrained designs. The STM8L101F3P3 is suitable for low-power sensing, small industrial control nodes, portable measurement equipment, consumer accessories, and connected embedded products. Its low-power family positioning makes it useful where average current consumption and energy efficiency are important, especially in devices that spend substantial time in sleep or low-activity states. Designers should confirm the exact clock, memory, peripheral, and electrical limits against the manufacturer datasheet before finalizing the design. Decoupling capacitors should be placed close to the supply pins, unused inputs should be held at defined levels, and low-power wake-up behavior should be validated with the intended firmware. Toolchain and peripheral configuration must also be checked against the STM8 family development environment. This page combines verified distributor availability, manufacturer technical information, package details, and practical selection guidance to support engineers evaluating the STM8L101F3P3 for a new low-power embedded design.

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STM8L101F3P6

STM8L101F3P6 - 8-bit Ultra-Low-Power MCU, 8KB Flash | STMicroelectronics

The STM8L101F3P6 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, delivering up to 16 MIPS while maintaining the advantages of a CISC architecture with improved code density and a 24-bit linear addressing space. The device integrates 8 KB of Flash memory, 2 KB of RAM, and 1.5 KB of data EEPROM, making it suitable for a wide range of battery-operated and energy-efficient applications. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, designed for embedded control applications. It integrates a processor core, memory (Flash, RAM, EEPROM), and peripherals (timers, communication interfaces, I/O ports) on a single integrated circuit. In the system hierarchy, an MCU is a type of embedded processor, which falls under the broader category of integrated circuits (ICs) and semiconductors. The STM8L101F3P6 is specifically optimized for ultra-low-power operation, making it a key component in the power management and energy-harvesting domain. Key features of the STM8L101F3P6 include a supply voltage range of 1.8V to 3.6V, ultra-low power consumption with Halt mode at 0.3 µA and Active-halt mode at 0.8 µA, and a rich set of peripherals including multifunction timers, comparators, USART, SPI, and I2C interfaces. The device is available in a 20-pin TSSOP package (0.173", 4.40mm width), which is ideal for space-constrained designs. It operates over a temperature range of -40°C to +85°C, ensuring reliability in industrial and consumer environments. From a technical depth perspective, the STM8L101F3P6 leverages ST's proprietary STM8 core, which is designed for low-power operation without compromising performance. The architecture includes a 24-bit linear addressing space, enabling efficient code execution and data handling. The device also features a flexible clock system with internal and external oscillators, allowing designers to optimize power consumption based on application requirements. The integrated data EEPROM provides non-volatile storage for calibration data or configuration parameters, reducing the need for external memory components. Typical applications for the STM8L101F3P6 include battery-powered devices such as portable medical monitors, smart sensors, and wearable electronics. Its ultra-low-power modes make it ideal for energy-harvesting systems and IoT edge nodes where power efficiency is critical. The device's communication interfaces (USART, SPI, I2C) enable seamless integration with sensors, displays, and wireless modules, making it a versatile choice for embedded system designers. When designing with the STM8L101F3P6, it is essential to consider the power supply decoupling and PCB layout to minimize noise and ensure stable operation. The device supports multiple low-power modes, and designers should leverage these modes to extend battery life in portable applications. Additionally, the STM8L101F3P6 is supported by ST's comprehensive development ecosystem, including the STM8CubeMX configuration tool and various IDEs, which accelerates firmware development and reduces time-to-market.

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STM8L101G2U6

STM8L101G2U6 - 16MHz 8-Bit Ultra-Low-Power MCU | STMicroelectronics

STMicroelectronics STM8L101G2U6 is an 8-bit ultra-low-power microcontroller built around the enhanced STM8 CPU core, operating at up to 16 MHz with 4 KB of Flash memory. The device is supplied in a 28-pin UFQFPN package measuring 4 x 4 mm, making it suitable for compact embedded systems where low power consumption, small board area, and integrated communication peripherals are important. Its 1.65 V to 3.6 V supply range supports low-voltage battery-powered and energy-conscious designs. An ultra-low-power microcontroller is a microcontroller optimized to minimize energy use during active processing, idle periods, and low-power operating states. The STM8L101 family belongs to the STM8L EnergyLite line and combines an 8-bit CPU, direct-memory-access peripherals, low-power modes, and communication interfaces in a single device. This hierarchy places it within the broader category of embedded processors and system-on-chip devices used for sensing, monitoring, control, and compact communications. The STM8L101G2U6 provides 4 KB of Flash organized as 4K x 8, with the STM8L101x2 device family supporting up to 8 Kbytes of Flash according to the manufacturer family description. Its communication resources include USART, SPI, and I2C, while multifunction timers and comparators support motor, control, sensing, and threshold-detection applications. The 16 MHz maximum clock frequency provides up to 16 MIPS of processing performance according to the STM8L101 family information. The 28-pin package exposes 18 general-purpose I/O ports according to the available component specifications, allowing connections to sensors, displays, actuators, communications transceivers, and human-interface controls. The 4 x 4 mm UFQFPN construction supports dense layouts but requires careful PCB planning because exposed-pad and fine-pitch soldering techniques are commonly needed for reliable assembly and thermal performance. Typical uses include low-voltage sensor nodes, compact motor controllers, battery-operated instruments, industrial monitoring modules, LED lighting controllers, and connected IoT edge devices. In each case, the STM8L101G2U6 acts as the central controller by executing application firmware, sampling analog or digital inputs, coordinating timers, and exchanging data through its serial interfaces. Designers should verify the exact pin assignments, alternate-function limitations, decoupling requirements, and exposed-pad connection using the manufacturer pinout and reference-design guidance. Low-power operation also depends on firmware: unused peripherals should be disabled, GPIO pins should be placed in suitable states, and wake-up behavior should be tested under the intended clock and load conditions. This product page consolidates the core STM8L101G2U6 specifications, interface capabilities, package considerations, application guidance, and same-family replacement information into an engineering-focused reference for compact low-voltage embedded designs.

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STM8L101G3U6

STM8L101G3U6 - 8-Bit 16MHz Low-Power MCU | STMicroelectronics

STMicroelectronics STM8L101G3U6 is an 8-bit ultra-low-power microcontroller with up to 8 KB of Flash memory, a maximum clock frequency of 16 MHz, and operation from 1.8 V to 3.3 V in a 28-pin UFQFPN package. It belongs to the STM8L101x3 low-power MCU family and combines an enhanced STM8 CPU core with compact flash memory for cost-sensitive embedded control designs. An ultra-low-power microcontroller is a semiconductor controller designed to execute firmware while minimizing energy consumption during active operation and sleep. The STM8L101 family occupies the low-power MCU segment of the broader embedded-controller hierarchy: MCU → 8-bit microcontroller → ultra-low-power MCU → STM8L EnergyLite family. Its low-voltage operation makes it relevant to battery-powered equipment and energy-conscious industrial systems, although the exact sleep currents and regulator characteristics should be confirmed in the manufacturer documentation before a power budget is finalized. The STM8L101G3U6 provides 8 KB of Flash, a 16 MHz maximum operating frequency, and up to 16 MIPS of computational throughput. The enhanced STM8 core retains a CISC architecture with improved code density and 24-bit linear addressing, helping compact firmware fit within the available memory. A temperature rating of -40°C to +85°C supports industrial-temperature equipment when the complete system is designed for that environment. The device is packaged in a 4 mm × 4 mm, 28-pin UFQFPN package. Its small land pattern supports compact products such as sensor nodes, compact controllers, low-power sensing modules, and auxiliary control devices. Designers should follow the manufacturer pin-description table, recommended land pattern, and exposed-pad connection requirements when creating the PCB footprint. Typical uses include low-voltage sensor interfaces, compact industrial controls, energy-efficient monitoring modules, battery-operated accessories, and embedded systems that need a small 8-bit controller without a high-pin-count package. The 16 MHz core is suitable for basic control, state-machine, communications, and peripheral coordination tasks where deterministic low-complexity firmware is sufficient. A key design consideration is that firmware compatibility and peripheral equivalence must be checked separately from package compatibility. When replacing another MCU, verify the exact pin assignments, interrupt mapping, clock limits, supply constraints, peripheral set, startup behavior, and programming interface before treating a candidate as a drop-in replacement. This product page consolidates the exact STM8L101G3U6 specifications, manufacturer and distributor resources, same-footprint alternatives, comparison parameters, and practical PCB and firmware-replacement guidance into one engineering-focused reference.

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STM8L101K3T3

STM8L101K3T3 - 16MHz 8KB 8-Bit MCU | STMicroelectronics

The STMicroelectronics STM8L101K3T3 is an ultra-low-power 8-bit microcontroller with a 16 MHz maximum clock, up to 8 KB of Flash program memory and a 32-LQFP 7 mm × 7 mm package. Designed around the STM8L low-power architecture, it combines compact processing capability with integrated peripherals for low-power embedded systems. An ultra-low-power microcontroller is a semiconductor category intended to minimize both active and standby energy consumption. Within the product hierarchy, the STM8L101K3T3 belongs to the STM8L family of 8-bit RISC microcontrollers and serves as a low-power system controller for battery-operated, portable and space-constrained products. Its low-power operating range is especially relevant to designs where the controller must remain responsive while consuming minimal energy between user actions or sensor events. Principal features include operation from 1.65 V to 3.6 V, a maximum CPU frequency of 16 MHz, up to 8 KB of Flash memory, 18 I/O ports and an enhanced STM8 CPU core capable of up to 16 MIPS at 16 MHz. The device family also provides multifunction timers, comparators, USART, SPI and I2C interfaces, allowing a compact design to handle timing, analog comparisons and serial communication without requiring several discrete interface components. The STM8 CPU core provides an 8-bit processing architecture optimized for compact embedded control rather than high-performance computing. At 16 MHz, the core can execute up to 16 million instructions per second, which is appropriate for state machines, sensor aggregation, actuator control and low-rate serial data handling. The 8 KB Flash limit means that firmware and constants must be planned carefully, particularly when application code, boot logic and lookup tables share the available program-memory budget. Typical uses include battery-powered sensor nodes, compact industrial controllers, home-automation endpoints, portable measurement instruments, low-power remote controls and embedded accessories. Its combination of serial interfaces supports sensors and transceivers connected through I2C or SPI, while USART can connect the controller to a host, modem or local configuration interface. The 32-LQFP package also offers enough peripheral connections for systems that need more I/O than a compact 20-pin package can provide. Designers should verify the exact pin assignments, alternate-function limitations and low-power mode behavior against the manufacturer documentation before finalizing the PCB. Decoupling should be placed directly at the supply pins, programming and reset access must remain available, and firmware should avoid unnecessary peripheral activity during sleep. These practices help preserve the device family's intended low-power behavior while preserving communication reliability. This product page consolidates the device's confirmed electrical specifications, package information, lifecycle status and application guidance with a practical comparison against the closest documented STM8L101K3 variants. It also highlights the restrictions involved when replacing one ordered MPN with another temperature-grade or packing option.

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STM8L101K3T6

STM8L101K3T6 - 8-Bit 16MHz 8KB MCU | STMicroelectronics

The STMicroelectronics STM8L101K3T6 is an 8-bit STM8L EnergyLite ultralow-power microcontroller operating at up to 16 MHz, with 8 KB of Flash memory and a 32-LQFP package measuring 7 x 7 mm. The device is designed for compact embedded systems that need efficient control, low-power operation, and integrated communication peripherals. The STM8L101 belongs to the STM8L family of 8-bit microcontrollers, a product class positioned between simple fixed-function controllers and more complex application processors. Its EnergyLite architecture targets low-power embedded control, while the STM8L101 device family combines Flash memory, timers, comparators, USART, SPI, and I2C in a compact package. Verified distributor information identifies a 1.65 V to 3.6 V supply range, 18 I/O ports, 16 MHz clock capability, 8 KB Flash, and a 32-pin LQFP package. Other search results describe the device as an 8-bit ultralow-power MCU with multifunction timers, comparators, USART, SPI, and I2C. Available snippets also identify 0.3 uA Halt current and 0.8 uA Active-halt current for one variant of the STM8L family; applicability to this exact orderable MPN should be confirmed against the manufacturer datasheet. Typical uses include low-power sensor nodes, compact industrial controllers, battery-operated instruments, communication modules, and low-cost embedded products where an 8-bit CPU, serial interfaces, and modest Flash capacity are sufficient. The device is not an STM32 Cortex-M part, so software, peripheral compatibility, and boot or debugging arrangements should be evaluated explicitly during migration. A key design consideration is the low-voltage supply range. The power rail, decoupling, input tolerance, and peripheral voltage assumptions must be checked against the exact datasheet before layout or firmware release. For PCB design, preserve the 32-LQFP land pattern and route the supply and ground pins according to the manufacturer recommendations. For firmware, confirm timer, USART, SPI, and I2C instance availability against the exact STM8L101K3T6 pin and peripheral configuration. This page consolidates verified distributor specifications, source links, application guidance, and conservative replacement information. It does not infer unprovided electrical limits, pin functions, lifecycle guarantees, pricing, or package details that are absent from the supplied sources.

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STM8L101K3U6

STM8L101K3U6 - 16MHz 8KB Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L101K3U6 is an 8-bit STM8L EnergyLite microcontroller with an enhanced STM8 CPU core, a maximum clock frequency of 16 MHz, and 8 KB of Flash memory in a 32-pin UFQFPN package measuring 5 mm by 5 mm. An ultra-low-power microcontroller is a semiconductor controller designed to balance processing capability with minimized energy consumption. The STM8L family combines a compact CISC architecture, low-power operating modes, and integrated peripherals for battery-operated, compact, and low-duty-cycle products. It belongs to the hierarchy of microcontrollers, embedded processors, integrated circuits, and semiconductors. The STM8L101K3U6 provides up to 16 MIPS at 16 MHz according to the STMicroelectronics STM8L101x3 product page. Its 8 KB Flash configuration supports compact control code in applications that do not require a large memory footprint. The 32-UFQFPN package offers a small 5 mm by 5 mm surface-mount solution, while the exposed-pad construction supports heat transfer from the device to the PCB. The STM8L101K3 belongs to the STM8L101x1, STM8L101x2, and STM8L101x3 low-power family. The enhanced STM8 CPU core provides increased processing performance while retaining CISC code density, 24-bit linear addressing, and an architecture optimized for low-power operation. The manufacturer identifies operation from 1.65 V to 3.6 V and an industrial temperature range of -40°C to +85°C for the closely related STM8L101K3U6TR ordering code. Typical uses include compact sensor controllers, battery-powered instruments, low-power monitoring nodes, appliance controls, and embedded products in which a small MCU package and energy-conscious operation are important. The device is also suitable for simple communication, timing, analog-monitoring, and actuator-control functions when firmware and peripheral requirements fit the 8 KB Flash configuration. Designers should confirm the exact peripheral map, pin functions, clock requirements, and exposed-pad connection in the manufacturer datasheet before layout release. The 5 V by 5 mm footprint requires careful thermal-via placement under the exposed pad, while the low 1.65 V minimum operating voltage constrains compatible sensors, transceivers, and external interface circuits. This product overview combines the manufacturer family information, exact MPN specifications, package characteristics, application guidance, and a focused drop-in comparison to support faster MCU selection and board-layout review.

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STM8L151C2T6

STM8L151C2T6 - 16MHz 8-Bit 4KB MCU | STMicroelectronics

The STMicroelectronics STM8L151C2T6 is an 8-bit ultra-low-power microcontroller with a 16 MHz enhanced STM8 CPU core, 4 KB of Flash program memory, 1 KB of RAM, a 12-bit ADC, and a 48-LQFP 7 x 7 mm package. According to the STMicroelectronics product page, the enhanced core can execute up to 16 MIPS at 16 MHz, making the device suitable for compact control and sensing systems that require low power consumption and broad peripheral integration. An ultra-low-power microcontroller is a semiconductor controller designed to minimize energy use while monitoring inputs, processing data, and controlling outputs. The STM8L151 belongs to the STM8L family, which combines an 8-bit core, low-power operating modes, analog sensing resources, and serial communication peripherals in a compact embedded-control device. This hierarchy places it between general-purpose processing and dedicated sensing-and-control ICs. Verified features include operation from 1.8 V to 3.6 V, a 16 MHz maximum clock, 4 KB Flash, 1 KB RAM, a 12-bit ADC, and an industrial temperature range from -40 °C to +85 °C. The low-density memory profile is appropriate for compact products that manage sensors, actuators, user interfaces, or communication nodes without requiring a high-performance application processor. The enhanced STM8 CPU provides up to 16 MIPS at 16 MHz, balancing processing throughput against the device's low-power positioning. Its integrated analog and digital resources can reduce the number of external components in a design, although the verified web data does not enumerate every peripheral, GPIO count, timer, or communication block. Those details must be confirmed in the manufacturer datasheet before final schematic or firmware decisions. Typical uses include industrial sensor nodes, compact environmental monitors, low-power control panels, battery-powered measurement equipment, motor-control interfaces, and connected industrial modules. The 48-LQFP package provides enough pin access for mixed analog and digital designs while remaining manageable for automated PCB assembly. When designing around the STM8L151C2T6, verify the selected operating frequency against the available supply voltage and verify the ADC, timer, and communications requirements against the datasheet. Place decoupling capacitors close to the supply pins and reserve adequate PCB area for thermal dissipation and signal routing. This page consolidates verified manufacturer and distributor information, package constraints, sourcing details, and honest replacement guidance. It also distinguishes verified drop-in candidates from related devices whose memory or architecture makes them unsuitable as direct substitutes, helping engineers compare alternatives without assuming that a shared package guarantees compatibility.

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STM8L151C3T3

STM8L151C3T3 - 8-Bit 16MHz 8KB MCU | STMicroelectronics | IoT

The STMicroelectronics STM8L151C3T3 is an 8-bit STM8L EnergyLite microcontroller rated for operation up to 16 MHz, with 8 KB of Flash program memory and a 48-pin LQFP package measuring 7 x 7 mm. The device operates from a 1.8 V to 3.6 V supply, provides 41 I/O ports, and belongs to STMicroelectronics' low-density STM8L151x2/3 ultra-low-power family. Its combination of CISC processing, compact packaging, and low-voltage operation makes it suitable for embedded control, sensor, and connected-device designs. An ultra-low-power microcontroller is an integrated circuit designed to execute embedded control functions while minimizing energy consumption during active operation, idle periods, and standby modes. The STM8L151 architecture sits within the STM8L family, combining an 8-bit CISC core, digital peripherals, analog interfaces, and low-power management in one package. This integration allows compact products to consolidate sensing, control, communications, and local processing without requiring a separate discrete processor. The STM8L151C3T3 supports operation up to 16 MHz and provides up to 16 MIPS according to the verified STM8L151x2/3 family description. Its 8 KB Flash memory is suitable for compact firmware rather than resource-intensive applications. A 1.8 V to 3.6 V operating range supports low-voltage systems, while 41 I/O pins provide substantial connectivity for sensors, indicators, communication interfaces, and control signals in a 48-LQFP footprint. The device belongs to the STM8L low-density platform, whose enhanced STM8 CPU core is designed to retain CISC code density while using a 24-bit linear addressing space. This architecture is useful for cost-sensitive embedded systems where straightforward peripheral access and compact code are important. Because the verified data does not specify the exact peripheral list, RAM capacity, timer configuration, and conversion performance, those details should be confirmed against the official STM8L151C3 datasheet before final design release. Typical applications include connected environmental sensors, compact industrial controllers, low-power monitoring equipment, and small appliance control modules. The 16 MHz processing capability accommodates time-based control and moderate protocol handling, while the 41 available I/O pins simplify connection to external sensors and actuators. For designs requiring low standby consumption, the STM8L151's low-power architecture is preferable to a general-purpose MCU that remains clocked continuously. Designers should preserve adequate input-voltage headroom across temperature and production tolerances because the verified operating range extends from 1.8 V to 3.6 V. PCB layout must also accommodate the 48-pin LQFP lead pitch and provide appropriate decoupling at the supply pins. Firmware should use the manufacturer-supported clock, peripheral, and low-power configuration rather than assuming functions or pin assignments that are not documented in the available verified data. This product record combines verified distributor specifications, lifecycle information, package details, and sourcing references with explicit engineering guidance. It also distinguishes confirmed facts from unavailable parameters, helping engineers evaluate the STM8L151C3T3 for low-voltage embedded-control designs without relying on unverified assumptions.

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STM8L151C3T6

STM8L151C3T6 - 16MHz 8KB Ultra-Low-Power MCU | STMicroelectronics

STMicroelectronics STM8L151C3T6 is an ultra-low-power 8-bit STM8L microcontroller with an enhanced STM8 CPU core, up to 16 MIPS at 16 MHz, 8 KB of Flash memory, and a 48-LQFP 7 x 7 mm package. The device operates from 2.5 V to 3.3 V according to distributor specifications and is designed for embedded systems that require low-power operation, compact packaging, and efficient control processing. An ultra-low-power microcontroller is an embedded semiconductor that minimizes energy consumption during active operation and low-power states. The STM8L family belongs to the broader hierarchy of MCU, microcontroller, embedded processor, and semiconductor. Its enhanced STM8 CPU core combines an 8-bit architecture with performance capable of reaching 16 MIPS at 16 MHz, making the STM8L151C3T6 suitable for compact control nodes, sensor interfaces, consumer equipment, and low-power embedded products. The verified device features include 8 KB of Flash memory, a 16 MHz operating frequency, 2.5 V or 3.3 V supply operation, two comparators, and three PWM channels. Its 48-LQFP package provides 48 externally accessible pins and is supplied in a tray according to the FindIC product listing. These specifications support designs requiring more I/O and routing flexibility than smaller 32-pin or 20-pin microcontroller packages. The STM8L151C3T6 combines general-purpose embedded control with energy-conscious operation. Its 8-bit STM8 core is appropriate for supervisory loops, actuator control, signal conditioning, and communication-intensive embedded functions where deterministic peripheral access and low standby consumption are important. The manufacturer identifies the STM8L151x2/3 devices as ultra-low-power products with an enhanced STM8 CPU core providing increased processing power up to 16 MIPS at 16 MHz. Typical applications include battery-powered sensors, industrial control modules, building automation endpoints, compact metering equipment, consumer accessories, and low-power communication controllers. The 48-LQFP package is especially useful when a design requires a larger pin count while remaining compatible with surface-mount manufacturing and leaded-package inspection processes. Designers should verify the complete pin assignments, peripheral multiplexing, startup configuration, decoupling requirements, and absolute maximum ratings in the manufacturer datasheet before layout. They should also confirm programming, debug, clock, and low-power-mode requirements against the target board. Because the verified excerpts do not provide complete electrical tables or a published pin map, those details remain explicitly marked as data needed rather than inferred. This page consolidates verified manufacturer and distributor information, package details, sourcing references, and a conservative drop-in comparison for the STM8L151C3T6. It distinguishes confirmed substitutions from unavailable data and highlights the memory, speed, voltage, comparator, PWM, and packaging constraints that matter during component selection.

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STM8L151C4T3

STM8L151C4T3 - 8-Bit 16MHz 16KB MCU | STMicroelectronics

The STMicroelectronics STM8L151C4T3 is an ultra-low-power 8-bit STM8L microcontroller with a 16 MHz clock, 16 KB of Flash memory, and a 48-pin LQFP package. It operates from 1.8 V to 3.6 V and provides 41 I/O ports. The compact-memory profile combines low-power sensing and control capabilities with integrated MCU resources for embedded products. An ultra-low-power MCU is a microcontroller designed to minimize energy use while retaining enough processing and peripheral capability for sensing, monitoring, control, and user-interface tasks. The STM8L family belongs to the hierarchy microcontroller, embedded processor, semiconductor, and embedded system component. Its low-power positioning makes it relevant to battery-operated equipment, environmental monitors, compact controls, and other systems where energy availability constrains design choices. The supplied product data identifies 16 KB of Flash memory, a maximum clock frequency of 16 MHz, a 1.8 V to 3.6 V supply range, and 41 I/O ports. The STM8L151C4 family description also identifies LCD, timers, real-time-clock, ADC, DMA, EEPROM, and low-power capabilities at the family level. Because the exact target-device peripheral mapping and electrical limits were not included in the verified excerpts, individual feature details should be confirmed in the manufacturer documentation before schematic or firmware decisions. The device is identified as part of the STM8 EnergyLine ultra-low-power portfolio and is specifically described as an STM8L151 8-bit MCU with an ADC and DMA. Its 48-LQFP package provides a conventional leaded footprint that can simplify assembly and inspection compared with a very fine-pitch package, although it occupies more PCB area than smaller packages. The listed operating voltage supports both 2.5 V and 3.3 V system concepts found in the comparison search results. Typical design targets include low-power sensing nodes, compact industrial controls, battery-powered monitors, LCD-equipped user interfaces, and embedded measurement systems. The MCU can serve as the central controller for acquiring sensor data, driving a display, sequencing low-power modes, and communicating through the peripherals supported by the selected STM8L151C4 variant. Firmware and hardware decisions should be checked against the complete manufacturer datasheet and device-specific pinout. Design with the 1.8 V to 3.6 V supply range as a hard boundary. Confirm decoupling, clock configuration, debug access, unused-pin treatment, and the exact LQFP land pattern from the official documentation. For battery systems, calculate average current over the complete measurement-and-sleep cycle rather than using only active-mode current. This product page consolidates verified distributor identity, package, memory, voltage, speed, and lifecycle information with practical design guidance. It also separates confirmed facts from parameters requiring verification, helping engineers compare sourcing options without inventing missing electrical or package details.

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STM8L151C4T6

STM8L151C4T6 - 8-Bit 16MHz 16KB MCU | STMicroelectronics

The STMicroelectronics STM8L151C4T6 is an 8-bit ultra-low-power STM8L EnergyLite microcontroller with a 16 MHz clock, 16 KB of Flash, and a 48-LQFP package measuring 7 x 7 mm. The device belongs to the medium-density STM8L151x4/6 family and is designed for embedded systems requiring low power consumption, conventional serial interfaces, timers, and mixed-signal control functions. An ultra-low-power microcontroller is an embedded controller optimized to minimize current consumption during active operation, sleep, and standby states. The STM8L family is positioned below general-purpose processors for compact control tasks such as sensor management, actuator control, communications, energy metering, and battery-powered equipment. This MCU combines an 8-bit STM8 architecture with integrated peripherals to reduce the need for discrete support components. Verified source information identifies 16 KB of Flash, an operating clock of 16 MHz, and a 48-LQFP package for the STM8L151C4T6. The medium-density STM8L151x4/6 family also provides standard communication interfaces including SPI, I2C, and USART, according to the manufacturer datasheet search result. Additional family-level resources include timers, ADC, DAC, comparators, real-time-clock capability, and 1 KB of data EEPROM; exact counts and operating limits for this specific order code must be verified in the official datasheet before design release. Typical embedded uses include low-power sensor nodes, industrial measurement modules, compact control boards, communication transceivers, and handheld or battery-operated products. The 48-LQFP footprint provides more external signal access than smaller packages and can simplify routing when several serial, timer, analog, or digital interfaces are required. Its 16 MHz maximum frequency supports time-sensitive control loops and protocol handling while retaining the simplicity of an 8-bit architecture. Designers should confirm the exact pin names, alternate-function mappings, electrical limits, clock configuration, and low-power mode requirements from the STM8L151C4 datasheet before PCB release. Software migration is most straightforward among devices with identical peripheral maps and package pinouts; a nominal package match alone is insufficient evidence for a drop-in replacement. This product record combines the verified manufacturer and distributor identity, package, memory, clock, and interface information with application guidance and sourcing context. It is intended to help engineers evaluate the STM8L151C4T6 while keeping unverified electrical details explicitly marked for validation.

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STM8L151C4U6

STM8L151C4U6 - 8-bit Ultra-Low Power MCU 16KB Flash | ST

The STMicroelectronics STM8L151C4U6 is an 8-bit ultra-low-power microcontroller from the STM8L EnergyLite family, featuring a 16 MHz STM8 core, 16 KB of embedded Flash, and 1 KB of data EEPROM, housed in a 48-pin UFQFPN (7x7 mm) package with exposed pad. It operates across a wide 1.8 V to 3.6 V supply range (2.5 V / 3.3 V nominal), provides 41 general-purpose I/O ports, and integrates a rich set of peripherals including a 12-bit ADC, DMA controller, real-time clock, standard communication interfaces (SPI, I2C, USART), multiple low-power timer options, and a 4x28-segment LCD driver available on the companion STM8L152xx line. An ultra-low-power MCU is a microcontroller specifically engineered to minimize active, standby, and sleep-mode current draw, allowing battery-powered end products to operate for years on small cells. Within the broader taxonomy, the STM8L151C4U6 belongs to the 8-bit MCU segment, itself a subset of microcontrollers, which in turn belong to integrated circuits in the power-management domain. The STM8L core uses a CISC architecture with a modified Harvard layout and a 16-bit instruction word, delivering strong code density and deterministic interrupt response at low clock rates. Key electrical characteristics include a maximum HSI clock speed of 16 MHz, an internal voltage regulator supporting 1.8 V to 3.6 V operation, multiple low-power modes (HALT, Active-Halt, Wait, Low-power Run), and integrated reset circuitry. The UFQFPN-48 (7x7) package offers a compact footprint, an exposed thermal pad for improved dissipation, and surface-mount compatibility with standard reflow profiles, while the integrated peripherals substantially reduce external component count and BOM cost. Application areas include battery-powered IoT sensor nodes, wearable health-monitoring devices, smart meters, remote controls, industrial sensor transmitters, and consumer electronics where energy budget is critical. The 16-bit tim encoder interfaces, USART, SPI, and I2C make it well-suited for both sensor front ends and short-range wireless MCU companions. Designers should leverage the STM8 peripheral library and STVP / ST Visual Develop or IAR / Cosmic toolchains, ensure the exposed pad is soldered for thermal and electrical ground reference, and follow ST AN3149 application-note recommendations for the STM8L low-power modes to achieve the published 0.9 µA HALT current and 4.4 µA Low-power Run numbers. This page synthesizes distributor stock, STM8L-family drop-in alternatives, and practical PCB-layout guidance for ultra-low-power designs that are not aggregated in the manufacturer datasheet alone.

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STM8L151C6T3

STM8L151C6T3 - 8-bit 16MHz 32KB Flash Ultra-Low MCU | STMicroelectronics

The STMicroelectronics STM8L151C6T3 is an ultra-low-power 8-bit STM8L EnergyLite microcontroller featuring 32KB of embedded Flash, 2KB of SRAM, and 1KB of true data EEPROM, housed in a 48-pin LQFP (7x7mm) package. Operating from a 1.8V to 3.6V supply with a 16MHz STM8 CISC core, it targets battery-powered and energy-harvesting applications where quiescent current budget is critical to end-device lifetime. An ultra-low-power microcontroller (MCU) is a class of microcontroller optimized to minimize active and standby current consumption through aggressive clock gating, multiple low-power modes (Halt, Active-Halt, Wait, Run), and the ability to operate from sub-3V rails. STM8L MCUs sit within ST's broader portfolio that also includes the higher-integration STM8L152/4/5/8 lines which add LCD drivers, AES, and capacitive-sensing peripherals. The STM8L151C6T3 specifically uses a Harvard-architecture STM8S core with a 3-stage instruction pipeline, peripherals tied through a peripheral interconnect that allows independent clocking. Key features of the STM8L151C6T3 include a true 4.0 uA low-power Run mode, 1.45 uA Halt mode with RTC active, 350 nA Halt-without-RTC mode, integrated RTC, two 16-bit timers, one 8-bit timer, 12-bit ADC with up to 1 Msps, and 41 GPIOs across two ports. The device also includes an integrated LCD voltage booster option on the wider STM8L152 family, plus USART, SPI, and I2C peripherals for serial connectivity. Architecturally the STM8L151C6T3 uses the STM8 CISC instruction set with 16-bit instruction words, a 16-bit program counter, and a rich register file that lets the compiler generate compact code. Up to 32 MIPS at 16MHz, integrated clock tree with internal 16MHz HSI, and optional external crystal make it suitable for sensor hubs that wake periodically to read sensor data and return to Halt. The 32KB Flash supports in-application programming (IAP) over I2C/SPI/UART, allowing firmware upgrades without exposing the SWIM debug interface. Typical applications include battery-powered sensor nodes, wearables, electronic shelf labels, smart meters, and remote controls. Designers choose the STM8L151C6T3 when they need real EEPROM for parameter storage, robust <500 nA standby current, and a CISC core that produces dense assembly code for state machines. When designing with this device, evaluate quiescent current per power mode against the application's duty cycle. The 48-pin LQFP requires a 7x7mm PCB footprint with thermal pad routing guidelines per ST design guides. Use the STVP programmer and IAR/STM8 COSMIC toolchains for firmware development. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone - particularly cross-family guidance for migration to STM32L0 when more MIPS or peripherals are required.

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STM8L151C6T6

STM8L151C6T6 - 8-bit Ultra-Low-Power MCU, 32KB Flash | STMicroelectronics

The STM8L151C6T6 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. Housed in a 48-pin LQFP (7x7 mm) package, this MCU is designed for energy-sensitive applications requiring long battery life and high integration. 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 STM8L151C6T6 belongs to the STM8L ultra-low-power family, which is optimized for applications where power consumption is critical, such as portable medical devices, smart sensors, and industrial monitoring. As a member of the STM8L series, it balances processing capability with energy efficiency, making it a key component in the power management hierarchy of embedded systems. Key features include an operating power supply range of 1.8V to 3.6V, multiple low-power modes (Wait, Low-power Run, Low-power Wait, Active-halt, and Halt), and a rich set of peripherals: USART, I2C, SPI, 12-bit ADC, 12-bit DAC, comparators, timers, and an RTC. The device also supports an LCD driver (on STM8L152 variants) and offers up to 41 I/O pins. Its ultra-low-power design achieves typical current consumption as low as 0.3 µA in Halt mode, making it ideal for battery-powered applications. The STM8L151C6T6 is built on ST's proprietary STM8 core architecture, which is designed for high code density and efficient execution. The device includes a flexible clock system with internal and external oscillators, a comprehensive set of timers (including a basic timer, general-purpose timers, and a low-power timer), and a 12-bit ADC with up to 28 channels. The integrated EEPROM allows for data storage without external memory, simplifying system design and reducing BOM cost. Typical applications include portable medical devices (e.g., glucose meters, pulse oximeters), smart sensors for IoT nodes, industrial process control, and battery management systems. The ultra-low-power modes and wide operating voltage range make it particularly suited for devices powered by coin cells or energy harvesting. The rich analog peripherals (ADC, DAC, comparators) enable direct sensor interfacing without external components. 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 power input. For lowest power consumption, use the Halt mode with the RTC running, and configure unused I/Os as analog inputs or outputs to avoid floating inputs. The STM8L151C6T6 is supported by ST's free development tools, including the ST Visual Develop (STVD) IDE and the STM8CubeMX configuration tool, which simplify firmware development and peripheral initialization.

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STM8L151C6U3

STM8L151C6U3 - 16MHz 32KB MCU | STMicroelectronics

The STMicroelectronics STM8L151C6U3 is an ultra-low-power 8-bit STM8L microcontroller with a 16 MHz clock, 32 KB of Flash memory, 41 I/O pins, and a 48-pin UFQFPN package measuring 7 x 7 mm. It supports a 1.8 V to 3.6 V supply range and integrates interfaces including I2C, SPI, and UART for compact embedded-control designs. An ultra-low-power microcontroller is an embedded processing platform optimized to minimize energy consumption during active operation, sleep, and standby states. The STM8L family belongs to the hierarchy of 8-bit microcontroller, embedded controller, semiconductor, and power-conscious IoT hardware. Its low-power architecture is useful for battery-operated sensors, portable instruments, industrial monitors, and connected devices that spend substantial time waiting for an event or waking a peripheral. The STM8L151C6U3 combines 32 KB of Flash with 2 KB of SRAM and a maximum 16 MHz operating frequency. The device includes 41 I/O pins, an RTC, timers, 1 KB of data EEPROM, and communication interfaces identified in the product documentation, including I2C, SPI, and UART. Its 1.8 V to 3.6 V operating range supports both 2 V and 3.3 V system rails while providing flexibility for low-voltage sensing and portable equipment. The medium-density STM8L151x4/6 and STM8L152x4/6 architecture places a common peripheral set across the STM8L platform. This modular organization supports design reuse when moving between related devices, although firmware, memory capacity, package outlines, and peripheral availability must still be checked for every planned substitution. The 48-pin UFQFPN footprint is intended for compact surface-mount assemblies rather than through-hole prototyping. Typical applications include low-power sensor nodes, compact industrial data loggers, battery-powered measurement instruments, access-control terminals, and embedded communication modules. I2C and SPI suit sensors and external transceivers, UART supports point-to-point host links, and the RTC provides timekeeping for systems that must retain timestamps during low-activity periods. Design around the complete pin assignment in the manufacturer datasheet rather than relying on generic UFQFPN conventions. Confirm exposed-pad connection, supply decoupling, programming access, reset behavior, and every peripheral signal before layout release. The exact UFQFPN-48 drawing is outside the supported package-diagram library, so the page uses a neutral package visual and the pin table remains null. This page consolidates the verified manufacturer and distributor product information with lifecycle status, interface coverage, application guidance, and same-family drop-in comparisons. It also separates documented facts from attributes that require a final review against the exact ordering code and firmware revision.

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STM8L151C6U6

STM8L151C6U6 - 16MHz 32KB Low-Power MCU | ST

The STMicroelectronics STM8L151C6U6 is an ultra-low-power 8-bit microcontroller with a 16 MHz clock, 32 KB of Flash memory, and a 48-pin UFQFPN package measuring 7 x 7 mm. It belongs to the STM8L EnergyLite family and provides 41 I/O ports, 1 KB of data EEPROM, an LCD controller, real-time clock, and timers. Its operating supply range of 1.8 V to 3.6 V supports low-voltage embedded systems where energy efficiency and compact area are important. An ultra-low-power microcontroller is an embedded controller optimized to minimize energy consumption while retaining the processing, sensing, communication, and timing resources required by a battery-operated product. The STM8L series combines an 8-bit architecture with low-power operating modes, making it suitable for applications that spend substantial time in sleep or standby rather than continuously calculating. In the system hierarchy, this device belongs to the MCU and embedded-controller class within semiconductor components. The STM8L151C6U6 provides 32 KB of programmable Flash for firmware, 1 KB of nonvolatile data EEPROM for configuration or retained records, and 41 I/O ports. Its maximum clock frequency of 16 MHz is suitable for control loops, keypad and display handling, sensor sampling, and low-speed communication tasks. The 1.8 V to 3.6 V supply range permits use with common low-energy rails, while the 48-pin package exposes substantially more I/O than smaller STM8L variants. The STM8L151x4 and STM8L151x6 devices use a modular peripheral arrangement, allowing designers to reuse development tools and familiar software practices across related STM8L families. Integrated timing, LCD, RTC, and EEPROM resources reduce external component count in compact instruments. The 8-bit architecture simplifies control-oriented firmware while supporting the event timing and state management needed for energy-conscious embedded products. Typical uses include low-energy sensor nodes, industrial monitoring modules, compact metering instruments, LCD-based control panels, wearable accessories, building-automation endpoints, and battery-powered handheld equipment. A design can allocate Flash to application code, use EEPROM for persistent settings, and leverage the RTC and timers for periodic measurement or display updates. The 41 I/O ports also allow direct connection of sensors, buttons, indicators, and display-control signals. Design the PCB with short, stable supply and ground paths, and place decoupling capacitance close to the appropriate power pins. Confirm every signal assignment against the manufacturer pin description before routing the dense 7 x 7 mm footprint. Account for the MCU's low-power states, wake sources, clock configuration, and startup behavior during firmware development rather than treating it as a conventional always-on controller. This product overview consolidates the core STM8L151C6U6 specifications, verified lifecycle information, application guidance, and same-family replacement context. The accompanying comparison and design notes help engineers assess footprint compatibility, memory requirements, low-power behavior, and application fit before beginning a board-level design.

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STM8L151C8T3

STM8L151C8T3 - 16MHz 64KB Flash MCU | STMicroelectronics

The STMicroelectronics STM8L151C8T3 is an 8-bit STM8L EnergyLite microcontroller with a 16 MHz maximum clock, 64 KB of Flash memory, and a 48-LQFP 7 x 7 mm package. It operates from 1.8 V to 3.6 V, supports 41 I/O ports, and is specified across the -40 °C to +125 °C temperature range. The CISC-based MCU is designed for compact, low-power embedded systems that require substantial Flash storage and a generous pin count. An ultra-low-power microcontroller is a semiconductor designed to minimize energy consumption while executing control logic and managing external peripherals. The STM8L family belongs to the hierarchy of MCU, embedded processor, integrated circuit, and semiconductor. Compared with general-purpose microcontrollers, devices in this category emphasize constrained power budgets, deterministic control, and integration of communication, timing, and analog functions on a single device. The STM8L151C8T3's principal characteristics include 64 KB of Flash, a 16 MHz clock, 41 available I/O ports, and operation from 1.8 V through 3.6 V. Its 48-LQFP package provides a practical balance between component size and external connectivity, making it suitable for boards that need more pins than a small-outline package can offer. The stated temperature range supports applications in consumer, industrial, instrumentation, and embedded control equipment. The STM8L core uses a CISC architecture and integrates embedded Flash rather than requiring an external program-memory device. This combination simplifies board layout in cost-sensitive embedded products while preserving sufficient storage for firmware, configuration data, and application parameters. The 1.8 V minimum operating voltage also allows the device to operate from low-energy sensor nodes and modern 3.3 V system rails without requiring a separate level-conversion stage for compatible peripherals. Typical applications include connected sensor modules, compact industrial controllers, building and access-control equipment, metering systems, consumer accessories, and low-power IoT devices. The 48-pin package is especially useful when a design needs multiple digital inputs and outputs while retaining a relatively small 7 x 7 mm body. Firmware should be configured to use the appropriate clock, low-power modes, and peripheral resources for the selected board. A key design consideration is ensuring that every supply rail remains within the 1.8 V to 3.6 V operating range, including transients caused by switching loads or attached peripherals. Firmware should also avoid leaving unused I/O pins in an undefined state. For battery-powered products, verify the selected external components and communication interfaces against the system's current budget rather than estimating energy use from the maximum clock rate alone. This product page consolidates the core MCU specifications, verified sourcing details, engineering guidance, and a same-footprint family comparison. It also explains where the STM8L151C8T3 fits relative to the closely related STM8L152C8T6TR while keeping package, memory, voltage, and temperature requirements central to replacement decisions.

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STM8L151C8T6

STM8L151C8T6 - 16MHz 64KB Ultra-Low-Power MCU | ST

The STMicroelectronics STM8L151C8T6 is an 8-bit ultra-low-power microcontroller operating at up to 16 MHz, with 64 KB of Flash memory, 2 KB of data EEPROM, and a 48-LQFP 7 x 7 mm package. The device includes 41 I/O ports and operates from 1.8 V to 3.6 V, making it suitable for compact, power-constrained embedded systems. An ultra-low-power microcontroller is an integrated circuit designed to execute embedded-control functions while minimizing active and standby energy consumption. The STM8L family belongs to the hierarchy of microcontrollers, embedded processors, and semiconductors. It combines a general-purpose CPU, nonvolatile program memory, data EEPROM, timers, an RTC, LCD support, and communication peripherals in one package. Key verified features of the STM8L151C8T6 include a 16 MHz maximum clock, 64 KB Flash, 4 KB RAM, and 2 KB data EEPROM. Its 1.8 V to 3.6 V operating range supports 1.8 V, 2.5 V, and 3.3 V supply arrangements. The 41 I/O pins provide substantial interface capacity for sensors, displays, actuators, and low-speed serial peripherals, while the 48-LQFP package provides a practical surface-mount footprint. The STM8 architecture uses an 8-bit CISC core and targets embedded-control workloads rather than high-throughput application processing. The RTC supports timekeeping-oriented designs, LCD-related resources support display-oriented products, and the timer set supports periodic measurement, motor-control, and industrial timing functions. The 64 KB Flash capacity provides room for application firmware and boot logic, while EEPROM preserves small amounts of calibration or configuration data. Typical applications include battery-operated sensors, compact industrial controllers, utility meters, access terminals, low-power display modules, and embedded appliances. The combination of low-voltage operation, 41 I/O ports, EEPROM, RTC, and LCD support is particularly useful when a design needs several control functions without using a larger microcontroller or external peripheral devices. Designers should verify the complete pin configuration, peripheral availability, clock tree, and low-power modes against the STM8L151/152 documentation before layout. The 48-LQFP package also requires adequate solderable pad geometry and careful decoupling of the 1.8 V to 3.6 V supply. Exact timing, current consumption, and absolute electrical limits should be taken from the manufacturer documentation rather than inferred from distributor summaries. This product page consolidates verified specifications, sourcing information, package details, application guidance, and a technically qualified replacement assessment. Unlike a basic distributor listing, it distinguishes confirmed drop-in suitability from related STM8 devices and explicitly identifies parameters that still require confirmation from the manufacturer documentation.

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STM8L151C8T7

STM8L151C8T7 - 16MHz 64KB Ultra-Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L151C8T7 is an ultra-low-power 8-bit microcontroller with a 16 MHz CPU, 64 KB of embedded Flash memory, and a 48-LQFP package measuring 7 mm by 7 mm. It operates from 1.8 V to 3.6 V and provides 41 I/O ports. The device belongs to the STM8L EnergyLite family and combines low-voltage operation, embedded EEPROM, and single-supply Flash programming in a compact surface-mount package. An ultra-low-power microcontroller is a semiconductor designed to minimize energy consumption while providing programmable control, communication interfaces, and digital I/O. The STM8L15xx family sits within the broader hierarchy of 8-bit microcontroller, embedded controller, semiconductor, and power-managed electronic system. Its low operating voltage and energy-saving modes are useful when the target equipment must operate from a single coin-cell cell, rechargeable cell, or compact energy-harvesting source. The STM8L151C8T7 provides 64 KB of Flash for firmware, 16 MHz processing capability, and 41 I/O ports for external sensors, indicators, and control interfaces. Embedded EEPROM supports parameter retention without consuming the Flash program area. An integrated SWIM debug interface provides in-application debugging and fast Flash programming, helping shorten firmware development and production-test cycles while avoiding a separate external debug connector. STMicroelectronics describes the STM8L15xx6/8 devices as ultra-low-power products built around an enhanced STM8 CPU core. The combination of low-voltage operation, extensive GPIO, embedded nonvolatile memory, and a 48-pin LQFP makes the part suitable for designs that need more I/O than a compact 20-pin or 32-pin microcontroller package can provide. The 7 mm by 7 mm outline also preserves routing flexibility compared with a larger leaded package. Typical uses include compact industrial sensing, energy-conscious instrumentation, low-power data loggers, building controls, and connected measurement modules. The 41 I/O ports can support digital inputs, alarm outputs, display segments, and communication transceivers, while the 16 MHz CPU handles protocol formatting, acquisition control, and local system logic. Its 1.8 V to 3.6 V supply range also allows direct operation from common low-voltage rails without a higher-voltage interface requirement. When laying out the board, keep the SWIM programming interface accessible and follow the manufacturer pin and land-pattern guidance exactly. Confirm the selected Flash size, EEPROM workflow, clock setup, and low-power mode requirements in firmware before production. Because this MCU combines many I/O functions in a 48-LQFP package, careful decoupling and signal routing remain essential for reliable operation across the full 1.8 V to 3.6 V supply range. This page organizes the key electrical characteristics, package information, design considerations, and qualified replacement options around the STM8L151C8T7. It also identifies where firmware, PCB, or supply-voltage changes are required before considering another STM8L15xx device as a drop-in replacement.

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STM8L151C8U3

STM8L151C8U3 - 16MHz Ultra-Low-Power 8-Bit MCU | STMicroelectronics

The STMicroelectronics STM8L151C8U3 is an ultra-low-power 8-bit CISC microcontroller with a 16 MHz clock, 64 KB of Flash memory, 2 KB of RAM, and 41 I/O ports in a 48-pin UFQFPN package with an exposed pad. It operates from 1.8 V to 3.6 V and combines an STM8 CPU core with low-power design features for compact, energy-conscious embedded systems. A microcontroller is a programmable system-on-chip that integrates a CPU core, program memory, data memory, peripherals, and I/O into one package. The STM8L151 belongs to the STM8L ultra-low-power MCU family, placing it within the hierarchy of 8-bit microcontroller, embedded controller, and semiconductor. Its combination of 64 KB Flash and 16 MHz processing is intended for control-intensive products requiring more program storage than the smallest STM8 devices. The 64 KB Flash provides room for application firmware, while the 16 MHz maximum clock supports responsive control tasks. A 41-port GPIO complement allows the device to connect sensors, indicators, communications interfaces, and discrete actuators. The manufacturer describes the STM8L15xx6/8 range as ultra-low-power, and the verified distributor listing identifies this member as an 8-bit MCU optimized around the 16 MHz clock and low-energy operation. The 48-pin UFQFPN package uses a 7 mm by 7 mm body and includes an exposed pad for improved package-level heat spreading. The exposed pad is normally connected to the ground plane in accordance with the manufacturer's land-pattern and thermal guidance. The 1.8 V to 3.6 V operating range supports low-voltage embedded systems, although the final design must preserve the device's supply-voltage and input-level limits for every connected peripheral. Typical design roles include compact sensor-hub controllers, battery-operated condition-monitoring equipment, low-power industrial controls, portable accessories, and embedded modules. The STM8L151C8U3 is most appropriate when an 8-bit architecture, 64 KB Flash, a relatively high I/O count, and ultra-low-power operation are more important than using a higher-cost 32-bit MCU with a much larger memory and peripheral footprint. Designers should confirm the exact pin functions, exposed-pad connection, decoupling requirements, clock configuration, and peripheral pin multiplexing against the official STM8L151C8 documentation. Software migration or alternate sourcing should not be based only on package dimensions or Flash capacity; peripheral assignments, electrical limits, and the complete 48-pin land pattern must also match. This page consolidates verified manufacturer and distributor information with package-aware replacement guidance, application fit, and engineering cautions. It is intended to make device selection and sourcing more efficient while clearly separating documented STM8L151C8U3 facts from details that require direct datasheet verification.

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STM8L151C8U6

STM8L151C8U6 - 16MHz 64KB Ultra-Low-Power MCU | STMicroelectronics

STMicroelectronics STM8L151C8U6 is an ultra-low-power 8-bit microcontroller with a 16 MHz clock, 64 KB of Flash memory, and a 48-pin UFQFPN 7 x 7 mm package. The device belongs to the STM8L EnergyLite family and combines an enhanced STM8 CPU core with 41 I/O ports for compact control, sensing, and communications applications operating from a 1.8 V to 3.6 V supply. An ultra-low-power microcontroller is a semiconductor device designed to minimize energy consumption during active processing and low-power operation. Within the product hierarchy, the STM8L151C8U6 is an 8-bit MCU, a low-power microcontroller, and a member of the STM8L EnergyLite family of embedded processing devices. This positioning makes it suitable for battery-powered equipment in which duty-cycle efficiency, fast startup, and integrated peripherals can reduce the need for external components. Key device characteristics include a maximum clock frequency of 16 MHz, 64 KB of programmable Flash, 4 KB of RAM as listed for this device, and 41 I/O ports. Its 1.8 V to 3.6 V operating supply range supports both 1.8 V and 3.3 V system rails. The 48-pin UFQFPN package exposes substantially more I/O than smaller STM8L packages while retaining a compact 7 x 7 mm footprint suitable for space-constrained industrial and consumer products. The enhanced STM8 CPU core provides an 8-bit processing architecture optimized for control tasks rather than high-performance computing. Flash memory retains firmware when power is removed, while RAM supports working data and stack operations. The manufacturer identifies the STM8L15xx6 and STM8L15xx8 devices as ultra-low-power members of the STM8L platform; applications should therefore validate both active-current and standby-current requirements against the complete operating mode used in the final product. Typical applications include low-power sensor controllers, compact industrial data-acquisition modules, battery-operated measurement instruments, connected IoT endpoints, compact motor-control products, and low-power communications equipment. The 41 available I/O ports are useful for digital interfaces, status indicators, control signals, and external peripheral connections, while the 16 MHz clock provides adequate throughput for typical embedded-control workloads. The main design consideration is balancing low-power behavior, pin availability, and board density. Keep decoupling capacitors close to the supply pins, follow the UFQFPN exposed-pad and land-pattern requirements in the manufacturer documentation, and confirm that all connected peripherals remain compatible with the selected 1.8 V or 3.3 V supply. Review the complete pin-description table before assigning every exposed connection. This page consolidates the manufacturer device overview, package and memory details, sourcing information, verified drop-in alternatives, comparison parameters, and practical integration guidance. It supports faster engineering selection while keeping procurement requests centralized through the Request a Quote form on this page.

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STM8L151F2P6

STM8L151F2P6 - 16MHz 4KB Ultra-Low-Power MCU | ST

STMicroelectronics STM8L151F2P6 is an 8-bit ultra-low-power microcontroller with a 16 MHz maximum clock, 4 KB Flash memory, 1 KB RAM, and a 20-pin TSSOP package. The STM8L151F2P6 supports a 1.8 V to 3.6 V supply range and provides up to 16 MIPS while retaining the CISC architecture and peripheral integration of the STM8L platform. An ultra-low-power microcontroller is an embedded controller designed to maintain useful processing, sensing, and communication functions while minimizing energy use during idle, sleep, and stop operating states. Within the product hierarchy, the STM8L151F2P6 is an 8-bit MCU, an embedded processing IC, and a member of the STM8L EnergyLite family. This makes it suitable for compact, battery-operated or energy-conscious systems in which low active and standby power are more important than high arithmetic throughput. Key device attributes include 16 MHz operation, 4 KB Flash, 1 KB RAM, a 1.8 V to 3.6 V supply range, and a 20-pin TSSOP package. The enhanced STM8 CPU core can execute up to 16 MIPS at 16 MHz, giving embedded control loops more scheduling capacity than lower-frequency 8-bit implementations. Its low-density integration also helps reduce board area, external memory requirements, and system complexity for compact control products. The STM8L151F2P6 belongs to a CISC-based STM8 architecture optimized for efficient control code rather than application-processor workloads. Its 4 KB Flash stores firmware while 1 KB RAM supports working state, stack operations, and peripheral buffering. The manufacturer product page identifies the STM8L151F2/3 low-density family as an ultra-low-power MCU family, while distributor data confirms the specific device's 8-bit architecture, 16 MHz clock, memory configuration, and package format. Typical applications include low-power sensor nodes, compact industrial controls, battery-powered instruments, energy-metering peripherals, home automation endpoints, and embedded monitoring modules. The 20-pin TSSOP package is particularly useful where a conventional large QFP footprint would be unnecessary but exposed-package or fine-pitch assembly would also be undesirable. Firmware and peripheral configuration should still be checked against the complete manufacturer datasheet before production use. Designers should account for the 1.8 V to 3.6 V operating range, verify that every connected sensor and actuator supports the selected rail, and confirm the exact pin functions in the manufacturer pinout. Low-power operation depends on firmware, clock configuration, peripheral activity, and board leakage, so measured current cannot be inferred from the headline 16 MHz specification alone. This product record combines the verified manufacturer and distributor information, a lifecycle assessment, procurement pricing, family alternatives, and practical selection guidance. It is intended to help engineers identify whether the 20-pin STM8L151F2P6 offers the required balance of Flash, RAM, speed, voltage, package size, and ultra-low-power behavior before beginning PCB and firmware development.

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STM8L151F3P3

STM8L151F3P3 - 16MHz 8KB Flash MCU | STMicroelectronics

The STMicroelectronics STM8L151F3P3 is an 8-bit ultra-low-power STM8L EnergyLite microcontroller with a 16 MHz enhanced STM8 CPU core, 8 KB Flash memory, and a 20-pin TSSOP package. Its headline specifications are 16 MHz operation, 8 KB Flash memory, and a 1.8 V to 3.6 V supply range, making it suitable for compact, battery-operated embedded systems. What is an ultra-low-power microcontroller? An MCU integrates a processor, programmable memory, peripherals, and I/O on one semiconductor device. The STM8L family is designed for energy-efficient embedded control, where the system may spend substantial time in low-power states between sensor readings, user actions, or communications. In the hierarchy of electronic components, an MCU is a semiconductor, a microcontroller, and an embedded processing device used for control and automation. The verified device information identifies an enhanced STM8 CPU core capable of up to 16 MIPS at 16 MHz, 8 KB Flash organized as 8K x 8, and 1 KB of RAM as indicated by the comparison data. The 20-pin TSSOP package supports surface-mount assembly and is specified for an operating supply of 1.8 V to 3.6 V. The MCU is positioned for low-power embedded control rather than high-performance computing, providing a balanced combination of processing speed, memory, and compact packaging. The STM8L151F3P3 can be used in sensor nodes, battery-powered instruments, simple industrial controls, consumer accessories, and low-power monitoring systems. Its 8-bit architecture is appropriate for sequential control, parameter reading, state management, and communication tasks where application complexity does not require a larger processor. Its TSSOP-20 package is also useful when a design needs a modest pin count and a conventional leaded surface-mount footprint. When designing a board around the STM8L151F3P3, verify the exact pin assignments and peripheral multiplexing in the manufacturer datasheet before finalizing the PCB. Provide stable decoupling near the power pins, confirm the clock and reset requirements, and account for the 1.8 V to 3.6 V supply range. Firmware should also be tested across the intended temperature, voltage, and low-power operating conditions. This product page combines the verified manufacturer and distributor information with practical sourcing, comparison, and design guidance. Pricing and availability should be checked with authorized distributors, while the manufacturer datasheet remains the controlling reference for electrical limits, pinout, memory behavior, and peripheral operation.

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STM8L101F3P3 - 8-Bit 16MHz Ultra-Low-Power MCU | STMicroelectronics

STM8L101F3P6 - 8-bit Ultra-Low-Power MCU, 8KB Flash | STMicroelectronics

STM8L101G2U6 - 16MHz 8-Bit Ultra-Low-Power MCU | STMicroelectronics

STM8L101G3U6 - 8-Bit 16MHz Low-Power MCU | STMicroelectronics

STM8L101K3T3 - 16MHz 8KB 8-Bit MCU | STMicroelectronics

STM8L101K3T6 - 8-Bit 16MHz 8KB MCU | STMicroelectronics

STM8L101K3U6 - 16MHz 8KB Low-Power MCU | STMicroelectronics

STM8L151C2T6 - 16MHz 8-Bit 4KB MCU | STMicroelectronics

STM8L151C3T3 - 8-Bit 16MHz 8KB MCU | STMicroelectronics | IoT

STM8L151C3T6 - 16MHz 8KB Ultra-Low-Power MCU | STMicroelectronics

STM8L151C4T3 - 8-Bit 16MHz 16KB MCU | STMicroelectronics

STM8L151C4T6 - 8-Bit 16MHz 16KB MCU | STMicroelectronics

STM8L151C4U6 - 8-bit Ultra-Low Power MCU 16KB Flash | ST

STM8L151C6T3 - 8-bit 16MHz 32KB Flash Ultra-Low MCU | STMicroelectronics

STM8L151C6T6 - 8-bit Ultra-Low-Power MCU, 32KB Flash | STMicroelectronics

STM8L151C6U3 - 16MHz 32KB MCU | STMicroelectronics

STM8L151C6U6 - 16MHz 32KB Low-Power MCU | ST

STM8L151C8T3 - 16MHz 64KB Flash MCU | STMicroelectronics

STM8L151C8T6 - 16MHz 64KB Ultra-Low-Power MCU | ST

STM8L151C8T7 - 16MHz 64KB Ultra-Low-Power MCU | STMicroelectronics

STM8L151C8U3 - 16MHz Ultra-Low-Power 8-Bit MCU | STMicroelectronics

STM8L151C8U6 - 16MHz 64KB Ultra-Low-Power MCU | STMicroelectronics

STM8L151F2P6 - 16MHz 4KB Ultra-Low-Power MCU | ST

STM8L151F3P3 - 16MHz 8KB Flash MCU | STMicroelectronics