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STM8S103K3U6 - 16MHz 8-Bit MCU with 8KB Flash | STMicroelectronics
STM8S103K3U6

STM8S103K3U6 - 16MHz 8-Bit MCU with 8KB Flash | STMicroelectronics

The STMicroelectronics STM8S103K3U6 is an access-line 8-bit STM8S microcontroller operating up to 16 MHz, with 8 KB of Flash program memory and 16 I/O ports, packaged in a 32-pin UFQFPN. It operates from 2.95 V to 5.5 V and integrates a 10-bit ADC, three timers, UART, SPI, and I²C. This combination makes it suitable for compact embedded control, sensor acquisition, communication, and low-cost automation systems where an 8-bit architecture, peripheral integration, and a small surface-mount footprint are useful. What is an 8-bit microcontroller? An 8-bit microcontroller is a compact embedded-processing device whose central processing unit, registers, data paths, and instruction handling are organized around eight-bit values. Within the broader semiconductor hierarchy, the STM8S103K3U6 is an MCU, then an embedded controller, then a general-purpose semiconductor used in control and communication products. The STM8S family combines program memory, RAM, data EEPROM, timers, serial interfaces, and analog conversion on one device. The part provides 8 Kbytes of Flash program memory, 1 Kbyte of RAM as identified in the retrieved comparison data, and 640 bytes of true data EEPROM with 300 kcycles endurance. Its 16 MHz clock supports responsive control loops, while the 10-bit ADC enables measurements from analog sensors. The integrated UART, SPI, and I²C interfaces support external transceivers, memory, sensors, displays, and other digital peripherals without requiring separate interface controllers. The STM8S103K3U6 is identified in the verified listing as a 32-pin UFQFPN device with an exposed pad and a 5 x 5 mm package description. The exposed pad and compact land pattern are important layout considerations because they influence thermal spreading, soldering, and assembly requirements. The device uses surface-mount construction, and the supplied search data identifies an operating supply range of 2.95 V to 5.5 V, allowing operation from either regulated 3.3 V or 5 V systems. Typical applications include low-cost sensor nodes, small motor or actuator controllers, communication modules, industrial control panels, instrument interfaces, and compact consumer products. The ADC and serial interfaces make it practical for designs that acquire analog values and transmit or store measurements. Firmware selection must match the STM8S device family, and board-level validation should include power sequencing, peripheral pin multiplexing, clock configuration, ADC calibration behavior, and exposed-pad thermal design. For a new design, choose the STM8S103K3U6 when 8 KB of Flash, 1 KB of RAM, a 16 MHz maximum clock, and integrated mixed-signal and serial peripherals are sufficient. It is not automatically interchangeable with a different STM8 device merely because the family name is similar; verify package pinout, memory size, voltage limits, peripheral assignments, and firmware support. This page combines verified distributor and manufacturer information with sourcing guidance, design cautions, and structured technical context.

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STM8S105C4T3 - 16MHz 16KB Flash 8-Bit MCU | STMicroelectronics
STM8S105C4T3

STM8S105C4T3 - 16MHz 16KB Flash 8-Bit MCU | STMicroelectronics

The STMicroelectronics STM8S105C4T3 is an 8-bit access-line microcontroller with a 16 MHz maximum clock, 16 KB of Flash program memory, 2 KB of RAM, and 38 I/O pins in a 48-LQFP 7 x 7 mm package. It belongs to the STM8S medium-density access-line family and is intended for compact embedded-control systems that require reliable digital control, communication, and mixed-signal peripheral support without the cost and complexity of a 32-bit MCU. What is an 8-bit access-line microcontroller? An 8-bit MCU is a microcontroller whose primary processing and data path is optimized for 8-bit values. The STM8S105C4T3 combines that architecture with Flash memory, static RAM, embedded EEPROM, timers, serial interfaces, analog conversion, and GPIO in one device. Within the broader hierarchy of MCU, embedded processor, and semiconductor, it sits between simple 8-bit controllers and more capable 32-bit Cortex-M microcontrollers, providing a useful balance of performance, memory, peripheral integration, and design complexity. The STM8S105x4/6 access-line family provides from 16 KB to 32 KB of Flash program memory and integrated true data EEPROM, according to the STMicroelectronics product-page search result. The C4T3 ordering identifies a device with 16 KB of Flash in the STM8S105C4 configuration and the 48-LQFP package. The 16 MHz operating speed is suitable for motor-control peripherals, communications, consumer accessories, industrial controllers, and embedded products that do not require a high-performance 32-bit core. The 38 available I/O pins make the 48-LQFP package useful when a design needs multiple control and monitoring signals while preserving a modest footprint. Available resources described by the verified data include 2 KB of RAM, integrated EEPROM, and the STM8S105xx access-line feature set. Detailed clock-tree options, ADC characteristics, timer resolutions, supply limits, and package thermal parameters were not included in the supplied search records and therefore require confirmation from the official manufacturer datasheet before design release. Typical applications include small motor controllers, sensor-hub boards, communication modules, panel interfaces, appliance controls, and compact industrial automation products. The 16 MHz core and 16 KB Flash are particularly useful for control loops and protocol state machines, while the 38 I/O pins simplify peripheral connection compared with smaller packages. Designers should confirm the complete 48-pin assignment, oscillator requirements, reset behavior, peripheral pin multiplexing, and electrical limits from the official STM8S105 datasheet. PCB layouts should preserve decoupling and exposed-pad thermal requirements where applicable, and firmware must account for alternate-function reassignment when using the numerous I/O pins. This product page consolidates the verified manufacturer and distributor facts, distinguishes the standard T3 ordering from the available T3TR reel variant, and clearly flags technical details that still need datasheet confirmation for engineering use.

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STM8S105C4T6 - 16MHz 8-Bit MCU with 16KB Flash | STMicroelectronics
STM8S105C4T6

STM8S105C4T6 - 16MHz 8-Bit MCU with 16KB Flash | STMicroelectronics

The STMicroelectronics STM8S105C4T6 is an 8-bit access-line microcontroller with a 16 MHz clock, 16 KB of Flash program memory, 2 KB of RAM, and a 48-pin LQFP package. It integrates a 10-bit ADC, true data EEPROM, timers, UART, SPI, and I2C peripherals, while operating from 2.95 V to 5.5 V. The device provides 38 I/O ports for embedded-control designs that need substantial peripheral connectivity without adopting a larger Cortex-M-class MCU. An 8-bit microcontroller is a compact embedded-processing category optimized for control tasks, sensor reading, actuator control, and communication bridging. The STM8S105 belongs to the STM8 access-line hierarchy, combining an 8-bit core with integrated memory and mixed-signal peripherals. Compared with a 32-bit microcontroller, its architecture generally emphasizes lower complexity and efficient deterministic control rather than high-bandwidth computation, making it suitable for cost-sensitive and space-constrained products. Key features include 16 KB of Flash, 2 KB of RAM, a 16 MHz maximum clock, and a 10-bit ADC. Integrated true data EEPROM allows frequently changed parameters to be stored without consuming all program Flash. The peripheral set includes UART, SPI, and I2C interfaces, supporting serial sensors, external memories, displays, and industrial peripherals. The 48-pin LQFP package provides 38 I/O ports and is suitable for automated PCB assembly and prototype-to-production migration. The STM8S105 access-line architecture is designed for embedded control applications requiring mixed analog and digital functions. Its 10-bit ADC supports measurements from switches, resistive sensors, and analog control loops, while the serial interfaces reduce external communication-controller requirements. The 2.95 V to 5.5 V supply range accommodates both 3.3 V and 5 V system rails, although the selected external components and operating limits must follow the manufacturer datasheet. Typical uses include industrial control modules, compact sensor nodes, appliance controllers, building equipment, communication transceivers, and embedded data-acquisition units. The combination of 38 I/O ports, three named serial interface types, timers, and an ADC allows one device to supervise multiple discrete and digital functions while keeping the bill of materials compact. Designers should preserve the exposed-pad and thermal-layout requirements applicable to the LQFP package, place decoupling capacitors close to the supply pins, and verify unused-pin termination against the datasheet. Firmware replacement is not automatically safe across MCU models because bootloader addresses, peripheral behavior, and interrupt-vector layouts must be checked even when the package dimensions match. This page consolidates verified manufacturer and distributor information, package and interface details, sourcing links, and replacement guidance for engineers evaluating the STM8S105C4T6. It also distinguishes confirmed electrical differences from compatibility assumptions, helping PCB, firmware, and procurement teams make a controlled decision.

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STM8S105C6T3 - 16MHz 32KB 8-Bit MCU | STMicroelectronics
STM8S105C6T3

STM8S105C6T3 - 16MHz 32KB 8-Bit MCU | STMicroelectronics

STMicroelectronics STM8S105C6T3 is an 8-bit STM8S access-line microcontroller with a 16 MHz clock, 32 KB of Flash program memory, integrated true data EEPROM, and 38 I/O ports in a 48-LQFP 7 x 7 mm package. It operates from a 2.95 V to 5.5 V supply and is suited to compact embedded-control systems that require mixed analog, digital, and communications peripherals. An 8-bit microcontroller is a compact computing platform that integrates a CPU core, program memory, data memory, and peripherals into one device. The STM8S family belongs to the broader hierarchy of microcontrollers, embedded processors, and semiconductors. Its CISC architecture provides byte-oriented instruction handling and a relatively small hardware footprint, making it useful for cost-sensitive appliances, industrial controls, sensor nodes, and communication equipment. Key features include 32 KB of Flash program memory, 2 KB of SRAM, a 10-bit ADC, UART, SPI, and I2C interfaces, and a maximum clock frequency of 16 MHz. The STM8S105xx access line also incorporates integrated true data EEPROM, allowing nonvolatile parameter retention without occupying the main Flash program area. A 48-LQFP package provides 38 I/O pins, offering substantial connectivity for displays, sensors, actuators, and external communication devices. The device is manufactured using STMicroelectronics proprietary 130 nm embedded non-volatile memory technology. This implementation combines an 8-bit core with a state-of-the-art peripheral set while retaining a conventional 2.95 V to 5.5 V operating range. The 10-bit ADC supports analog measurement tasks, while UART, SPI, and I2C provide paths for external data acquisition, sensor connectivity, and communication with transducers or companion controllers. Typical applications include compact motor and valve controllers, building and industrial automation modules, small sensor interfaces, appliance control boards, and low-cost communication peripherals. Designers can use the 38 available I/O ports for digital interfaces and the ADC for analog inputs, reducing the need for separate expansion components in moderately connected systems. A critical design consideration is the STM8S105C6T3's temperature-grade and order-code designation. The suffix T3 must be checked against the required ambient-temperature range before production release. PCB design should also preserve the package pin arrangement and provide suitable bypass capacitance near the power pins. This page combines verified manufacturer and distributor information, package characteristics, commercially available pricing, drop-in alternatives, comparison data, and practical engineering guidance to support component selection, PCB design, sourcing, and procurement decisions.

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STM8S105C6T6 - 8-bit MCU, 16MHz, 32KB Flash | STMicroelectronics
STM8S105C6T6

STM8S105C6T6 - 8-bit MCU, 16MHz, 32KB Flash | STMicroelectronics

The STM8S105C6T6 is an 8-bit microcontroller from STMicroelectronics' STM8S access line, featuring a 16 MHz advanced STM8 core with Harvard architecture and a 3-stage pipeline. It offers 32 KB of Flash program memory, 2 KB of RAM, and 1 KB of true data EEPROM, making it a cost-effective solution for a wide range of embedded control applications. The device is housed in a 48-pin LQFP package (7x7 mm) and operates over a supply voltage range of 2.95V to 5.5V, with an operating temperature range of -40°C to +85°C. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, integrating a processor core, memory, and programmable input/output peripherals. The STM8S105C6T6 belongs to the STM8S family, which is part of the broader STM8 microcontroller series, positioned below the 32-bit STM32 family in STMicroelectronics' product hierarchy. It is designed for applications requiring moderate processing power, low power consumption, and rich peripheral integration, such as industrial control, home appliances, and automotive body electronics. Key features include a 10-bit analog-to-digital converter (ADC) with up to 10 channels, multiple 16-bit timers, and a full set of communication interfaces: UART, SPI, and I2C. The device also integrates a true data EEPROM with up to 300,000 write/erase cycles, enabling data storage without external memory. The STM8 core operates at up to 16 MHz, delivering 16 MIPS throughput, and supports a wide range of clock sources including internal RC oscillators and external crystals. The STM8S105C6T6 is built on a high-density Flash technology, providing robust program memory endurance and fast programming. The architecture includes a nested interrupt controller with 28 interrupt vectors, enhancing real-time responsiveness. The device also features a low-power mode with typical current consumption of 5 µA in Halt mode, making it suitable for battery-powered applications. Typical applications include industrial automation, home appliances (e.g., washing machines, air conditioners), power tools, and automotive body control modules. The rich peripheral set and 5V-tolerant I/Os allow direct interfacing with sensors, relays, and displays without level shifting. The LQFP-48 package provides 38 I/O pins, offering ample connectivity for control and communication. When designing with this MCU, ensure proper decoupling of the VDD and VDDA pins with 100 nF capacitors placed close to the device. The NRST pin should be connected to a 100 nF capacitor to ground for reliable reset. For applications requiring precise timing, use an external crystal oscillator with load capacitors as specified in the datasheet.

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STM8S105K4B6 8-Bit 16MHz MCU 16KB Flash | STMicroelectronics
STM8S105K4B6

STM8S105K4B6 8-Bit 16MHz MCU 16KB Flash | STMicroelectronics

The STMicroelectronics STM8S105K4B6 is an 8-bit STM8S series microcontroller operating at 16 MHz, with 16 KB of Flash program memory and 2 KB of RAM, housed in a 32-pin SDIP package. It belongs to the STM8S105x4/6 access-line family, which combines integrated data EEPROM, a 10-bit ADC, timers, UART, SPI, and I2C in an 8-bit embedded-control device. What is an 8-bit microcontroller? An 8-bit MCU is a compact embedded processor whose internal bus and arithmetic operations are organized around eight-bit data. STM8 devices sit within the broader semiconductor and microcontroller hierarchy and are commonly used for cost-sensitive control, sensing, communications, and actuator-control systems. The STM8S105K4B6 provides enough Flash and RAM for compact embedded applications without requiring a higher-complexity processor. Key features include an 8-bit architecture, 16 MHz maximum clocking, 16 KB Flash, 2 KB RAM, and 25 I/O according to the verified distributor specifications. The device also includes a 10-bit ADC, UART, SPI, I2C, timers, and integrated true data EEPROM. These peripherals enable local sensing, serial communication, and motor or relay control while keeping the design compact. The STM8S105K4B6 is identified as part of the STM8S105x4/6 access line, with the manufacturer describing the family as offering 16 to 32 KB Flash and integrated true data EEPROM. The verified product-page result specifically associates this MPN with a 32-SDIP package, 0.400 inch, 10.16 mm. Exact operating voltage, temperature limits, ADC accuracy details, timer ratings, and electrical timing values are not included in the supplied verified data and must be checked against the manufacturer datasheet. Typical applications include small industrial controllers, sensor nodes, serial-interface equipment, LED-control boards, compact instrumentation, and embedded systems using UART, SPI, or I2C. The 16 MHz clock speed supports responsive control-loop execution, while the 10-bit ADC is useful for analog monitoring. A designer should confirm memory-map compatibility, peripheral availability, startup behavior, and electrical limits before replacing another STM8 device in an existing design. For implementation, begin with the manufacturer datasheet and reference manual for exact pin assignments, register definitions, clock settings, and peripheral constraints. Use the official STMicroelectronics product page as the primary lifecycle and family reference. This page synthesizes verified distributor specifications, procurement information, application context, and replacement guidance without inventing unavailable electrical details.

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STM8S105K4T6 - 8-bit MCU, 16KB Flash, 16MHz | STMicroelectronics
STM8S105K4T6

STM8S105K4T6 - 8-bit MCU, 16KB Flash, 16MHz | STMicroelectronics

The STM8S105K4T6 is an 8-bit microcontroller from STMicroelectronics' STM8S access line, featuring a 16 MHz STM8 core, 16 KB of Flash program memory, and 1 KB of true data EEPROM. It comes in a 32-pin LQFP package, offering a compact footprint for space-constrained embedded applications. The device operates over a supply voltage range of 2.95V to 5.5V, making it suitable for both 3.3V and 5V systems. An 8-bit microcontroller (MCU) is a single-chip computer containing a processor core, memory, and programmable input/output peripherals. The STM8S105K4T6 belongs to the STM8S family, which is designed for cost-sensitive industrial and consumer applications. As a medium-density device per reference manual RM0016, it balances performance and peripheral integration, providing a 10-bit ADC, multiple timers, and standard communication interfaces like UART, SPI, and I2C. Key features include a 16 MHz CPU clock delivering up to 16 MIPS, 16 KB Flash with read-while-write capability, 1 KB EEPROM with up to 300k write/erase cycles, and a 10-bit ADC with up to 7 channels. The device integrates a 16-bit advanced control timer, two 16-bit general-purpose timers, and a basic timer, plus UART, SPI, and I2C interfaces for connectivity with sensors, displays, and other peripherals. The STM8S105K4T6 uses a Harvard-architecture STM8 core with a 3-stage pipeline. An embedded SWIM debug module enables in-circuit debugging and programming, reducing development time. The clock system offers internal and external oscillator options, including a low-power crystal oscillator and a PLL for clock multiplication. Typical applications include industrial control, home appliances, sensor interfaces, and motor control. Its wide operating voltage range and industrial temperature grade (-40C to +85C) make it suitable for harsh environments. The integrated EEPROM eliminates external storage in many designs, reducing BOM cost. When designing with this MCU, ensure proper decoupling of power supply pins and consider the thermal characteristics of the LQFP-32 package. Reserve the SWIM interface for programming and debugging. For low-power designs, use Active-halt and Halt modes to minimize current consumption.

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STM8S105K6B6 - 8-Bit 16MHz 32KB MCU | STMicroelectronics
STM8S105K6B6

STM8S105K6B6 - 8-Bit 16MHz 32KB MCU | STMicroelectronics

The STMicroelectronics STM8S105K6B6 is an 8-bit STM8S series microcontroller operating up to 16 MHz, with 32 KB of Flash program memory and a 32-pin SDIP package. The device also provides integrated EEPROM, 25 I/O pins, mixed-signal acquisition, timers, and serial connectivity. It is positioned for compact embedded control, sensing, communications, and motor-control systems requiring an 8-bit MCU with integrated memory and peripherals. A microcontroller is a programmable semiconductor that integrates a processor core, memory, input/output ports, timers, and communication peripherals on one device. The STM8S105K6B6 belongs to the STM8S access-line family: an 8-bit MCU platform intended for compact control systems where deterministic peripheral access, low component count, and simple embedded software development are important. Its 32 KB Flash provides room for application firmware, while integrated data EEPROM supports parameter storage and calibration data. The verified specifications identify a 16 MHz operating frequency, 32 KB Flash organized as 32K × 8, 2K × 8 RAM, 25 I/O pins, and a 10-bit ADC. The verified sources also identify UART, SPI, I2C, timers, and mixed-signal acquisition capabilities. These peripherals allow the MCU to connect sensors, communicate with external controllers, generate timing signals, and perform basic analog measurements without requiring several discrete support devices. The STM8S105K6B6 is packaged in a 32-SDIP through-hole format with a stated 0.400-inch, 10.16 mm package dimension. Through-hole construction can simplify prototype assembly, inspection, and manual rework compared with fine-pitch surface-mount packages. The device is suitable for applications such as compact motor controllers, industrial sensing modules, communication interfaces, and embedded automation products, provided the firmware and board design are verified against the manufacturer datasheet. Designers should verify supply voltage, clock configuration, peripheral pin multiplexing, ADC accuracy, reset behavior, and programming requirements against the manufacturer datasheet before release. The 8-bit architecture and 32 KB Flash footprint are appropriate for focused control tasks, but software memory planning is essential when combining multiple communication protocols and control functions. Verify exact electrical limits and package details before using the device as a drop-in replacement for another MCU. This page consolidates verified distributor specifications, official manufacturer information, pricing context, sourcing links, and engineering guidance. It does not infer unprovided electrical limits, pin names, lifecycle claims, or alternative-device compatibility. For production use, confirm the current manufacturer datasheet, package drawing, programming toolchain, and distributor inventory.

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STM8S105S6T6 - 8-bit MCU, 32KB Flash, 16MHz | STMicroelectronics
STM8S105S6T6

STM8S105S6T6 - 8-bit MCU, 32KB Flash, 16MHz | STMicroelectronics

The STM8S105S6T6 is an 8-bit microcontroller from STMicroelectronics' STM8S access line, featuring a high-performance STM8 core running at up to 16 MHz. It integrates 32 Kbytes of Flash program memory, 2 Kbytes of RAM, and true data EEPROM, making it suitable for a wide range of embedded control applications. The device operates from a 3.3V or 5V supply and is available in a 44-pin LQFP package. An 8-bit microcontroller is a single-chip computer with an 8-bit data bus, designed for cost-sensitive control applications. It typically integrates a CPU, memory (Flash, RAM, EEPROM), and peripherals such as timers, UART, SPI, and 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 offers lower cost, lower power consumption, and simpler development, making it ideal for applications like home appliances, industrial control, and consumer electronics. Key features of the STM8S105S6T6 include a 10-bit ADC with up to 10 channels, multiple 16-bit timers, a UART, SPI, and I2C interfaces, and an integrated EEPROM for data storage. The STM8 core is CISC-based with a pipeline architecture, achieving 16 MIPS at 16 MHz. The device supports a wide operating voltage range of 2.95V to 5.5V, ensuring compatibility with both 3.3V and 5V systems. The STM8S105S6T6 is part of the STM8S105xx medium-density family, which offers from 16 to 32 Kbytes of Flash. It is pin-compatible with other STM8S105 devices, allowing easy migration between memory sizes. The integrated EEPROM eliminates the need for external EEPROM chips, reducing BOM cost and board space. The device also features robust ESD protection and a wide operating temperature range of -40°C to +85°C. Typical applications include home appliances (washing machines, air conditioners), industrial control (motor control, sensors), and consumer electronics (remote controls, power tools). The rich peripheral set and low cost make it a popular choice for high-volume applications. The 44-pin LQFP package provides a good balance between I/O count and board space. When designing with this MCU, ensure proper decoupling of the power supply with 100nF and 10uF capacitors close to the VDD pins. The STM8S105S6T6 supports in-circuit programming and debugging via SWIM, simplifying firmware development. For low-power applications, use the HALT and WAIT modes to reduce current consumption.

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STM8S207C6T3 - 24MHz 32KB 8-Bit MCU | STMicroelectronics
STM8S207C6T3

STM8S207C6T3 - 24MHz 32KB 8-Bit MCU | STMicroelectronics

The STMicroelectronics STM8S207C6T3 is a 24 MHz, 8-bit STM8S performance-line microcontroller with 32 KB of Flash program memory, integrated EEPROM, and a 48-LQFP package. The device includes a 10-bit ADC, timers, two UARTs, SPI, I²C, and CAN interfaces, providing a compact embedded-control platform for industrial, consumer, communications, and automotive-adjacent equipment. An 8-bit microcontroller is a programmable semiconductor that integrates a CPU core, nonvolatile program memory, data memory, and peripherals onto one package. The STM8S207 belongs to the STM8S family and the broader hierarchy of microcontroller → embedded processor → semiconductor. Its performance-line positioning combines a 24 MHz clock with multiple serial interfaces, making it useful where moderate control processing and system connectivity matter more than the processing power of a 32-bit Cortex-M device. Key features include 32 KB of Flash memory, an integrated 10-bit analog-to-digital converter, two UARTs, SPI, I²C, and CAN connectivity, plus 38 I/O ports according to the retrieved product data. The 3 V to 5.5 V supply range supports conventional embedded equipment, while the 48-pin LQFP package exposes enough interface pins for external memories, sensors, actuators, and communications transceivers. The STM8S207C6T3 belongs to STMicroelectronics' STM8S20xxx performance line, whose devices span program-memory configurations from 32 KB to 128 KB. This particular ordering code provides the 32 KB configuration and 24 MHz maximum operating frequency. Its combination of EEPROM and Flash supports firmware storage and nonvolatile parameter retention without requiring an external memory component in designs that remain within the available memory budget. Typical applications include industrial sensor nodes, CAN-connected equipment, motor and relay controllers, building-control interfaces, compact communication modules, and low-cost embedded control panels. The CAN interface is especially useful in systems that need deterministic network participation, while SPI and I²C allow the controller to connect sensors and external transceivers. The two UARTs also support legacy serial peripherals, diagnostics ports, or service interfaces. Designers should verify the exact pin assignment, alternate-function mapping, clock configuration, and peripheral electrical limits in the manufacturer datasheet before layout release. The LQFP package also requires attention to thermal dissipation when the device operates continuously at 24 MHz or drives I/O loads at the maximum specified levels. Because public snippets do not provide a complete verified pin list, no unverified pin assignments are asserted here. This page consolidates verified distributor and manufacturer information, practical integration guidance, package-specific comparisons, and honest drop-in alternative constraints. It distinguishes confirmed values from missing details and avoids presenting generic cross-reference results as guaranteed replacements.

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STM8S207C8T3 - 24MHz 8-Bit MCU with 64KB Flash | ST
STM8S207C8T3

STM8S207C8T3 - 24MHz 8-Bit MCU with 64KB Flash | ST

The STMicroelectronics STM8S207C8T3 is an 8-bit STM8 performance-line microcontroller with a 24 MHz clock, 64 KB of Flash program memory, and a 48-LQFP 7 x 7 mm package. The supplied distributor data identifies an 8-bit architecture and confirms 64 KB Flash; Mouser additionally lists 4 KB RAM. Designed as a compact embedded-control MCU, it combines mixed-signal measurement, communications, timing, and general-purpose I/O capabilities for cost-sensitive industrial and consumer equipment. An STM8S microcontroller belongs to the 8-bit MCU hierarchy: microprocessor core, embedded controller, and programmable digital control component. Unlike a discrete logic controller, an MCU integrates firmware memory, data memory, peripherals, and I/O in one package. This integration lets a design acquire sensor inputs, execute control logic, drive outputs, and exchange data with other assemblies without requiring several separate logic devices. Confirmed features include 24 MHz operation, 64 KB Flash, 4 KB RAM, 38 I/O ports, and a 3 V to 5.5 V supply range. The STM8S207 family description also identifies a 10-bit ADC, timers, two UARTs, SPI, I2C, and CAN. These interfaces support analog measurement, actuator control, serial peripherals, industrial networking, and service communications. The exact pin assignments and complete electrical limits require confirmation against the manufacturer documentation. At a maximum 24 MHz clock, the 8-bit MCU provides useful processing throughput without an external memory interface. Its 64 KB Flash supports embedded application code, while 4 KB RAM handles working data and stack operations. The 48-LQFP package exposes substantially more I/O than smaller packages, making the device suitable for connectorized control boards that need numerous digital, analog, and communications signals. Typical uses include industrial control modules, motor and relay-control boards, sensor acquisition units, CAN-connected equipment, communication bridges, and compact consumer appliances. A design can place the MCU beside sensors and power stages, then use its ADC and serial interfaces to acquire measurements while timers and GPIO control the system. Firmware and external circuitry still require validation for timing, analog accuracy, and EMC requirements. The principal layout consideration is careful decoupling and signal grouping around the 48-LQFP device. Keep the MCU supply path compact, place stable bypass capacitance at its supply pins, reserve adjacent routing for sensitive analog inputs, and separate high-current switching returns. Before layout approval, verify every ball-and-pad-style LQFP pin assignment against the official pinout and confirm oscillator, debug, reset, and communications routing requirements. This page consolidates verified distributor specifications, sourcing information, family capabilities, and practical selection considerations. It distinguishes confirmed STM8S207C8T3 values from unavailable details rather than estimating electrical limits, package pricing tiers, pin functions, or lifecycle compliance claims.

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STM8S207C8T6 - 24MHz 8-bit MCU, 64KB Flash | STMicroelectronics
STM8S207C8T6

STM8S207C8T6 - 24MHz 8-bit MCU, 64KB Flash | STMicroelectronics

The STM8S207C8T6 is a performance-line 8-bit microcontroller from STMicroelectronics, built around a high-performance STM8 core running at up to 24 MHz. It integrates 64 KB of Flash program memory, 4 KB of RAM, and 2 KB of EEPROM, along with a rich peripheral set including a 10-bit ADC, multiple timers, two UARTs, SPI, I2C, and CAN. Housed in a 48-pin LQFP package, this MCU is designed for cost-sensitive industrial and consumer applications requiring robust performance and a wide operating voltage range of 2.95V to 5.5V. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus that integrates a processor core, memory (Flash, RAM, EEPROM), and programmable peripherals (timers, ADC, communication interfaces) on one die. In the system hierarchy, an 8-bit MCU sits below 16-bit and 32-bit MCUs in processing power but offers lower cost, simpler architecture, and lower power consumption, making it ideal for control-oriented tasks. The STM8S207C8T6 belongs to the STM8 family from STMicroelectronics, positioned between the low-cost STM8S value line and the 32-bit ARM-based STM32 MCUs. Key features include a 24 MHz CPU clock (20 MIPS), 64 KB Flash with read-while-write capability, 2 KB of true EEPROM rated for up to 300k write/erase cycles, and a 10-bit ADC with up to 10 multiplexed channels. Communication interfaces cover two UARTs, one SPI, one I2C, and a CAN 2.0B controller. Operation from 2.95V to 5.5V supports both 3.3V and 5V systems, with low-power modes reducing consumption below the 5.4 mA typical running current at 24 MHz. Technically, the STM8 core is a CISC architecture with a 3-stage pipeline and a single-wire debug interface (SWIM) supporting ICP and IAP programming. The LQFP-48 package provides 38 I/O pins, most with multiple alternate functions for flexible board design. Typical applications include industrial control systems, home appliances, motor control, sensor interfaces, and CAN-networked nodes in automotive and industrial systems, where the rich timer set supports PWM generation. Design tip: decouple VDD/VDDA with 100nF capacitors placed close to the device, add a pull-up on SWIM, and use an external transceiver (e.g., TJA1050) with 120-ohm bus termination for CAN.

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STM8S207K6T6 - 24MHz 8-bit MCU, 32KB Flash | STMicroelectronics
STM8S207K6T6

STM8S207K6T6 - 24MHz 8-bit MCU, 32KB Flash | STMicroelectronics

The STM8S207K6T6 is a performance-line 8-bit microcontroller from STMicroelectronics, featuring a 24 MHz STM8 core with up to 32 Kbytes of Flash program memory. It integrates 2 Kbytes of data EEPROM, a 10-bit ADC, multiple timers, two UARTs, SPI, I²C, and CAN interfaces, all in a 32-pin LQFP package. This MCU is designed for cost-sensitive industrial and consumer applications requiring robust communication and control capabilities. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, executing instructions on 8-bit words. It integrates a CPU, memory (Flash, RAM, EEPROM), and peripherals (timers, ADC, communication interfaces) on one die. In the system hierarchy, an 8-bit MCU sits below 16-bit and 32-bit MCUs in processing power but offers lower cost, simpler architecture, and lower power consumption, making it ideal for control-oriented tasks like motor control, sensor interfacing, and human-machine interfaces. The STM8S207K6T6 belongs to the STM8S20xxx performance line, which balances performance and peripheral richness for mid-range embedded applications. Key features include a 24 MHz CPU clock, 32 Kbytes of Flash, 2 Kbytes of RAM, 2 Kbytes of EEPROM, a 10-bit ADC with up to 10 channels, two 16-bit timers, one 8-bit timer, two UARTs, SPI, I²C, and a CAN 2.0B controller. The device operates from 2.95V to 5.5V, making it suitable for 3.3V and 5V systems. It also features a low-power mode with typical current consumption of 5.4 mA at 24 MHz, and a halt mode with 1.5 µA typical current. The STM8S207K6T6 uses a Harvard architecture with a 3-stage pipeline, achieving up to 20 MIPS at 24 MHz. It includes an embedded debug module (SWIM) for in-circuit debugging and programming, and a single-wire interface for firmware updates. The CAN controller supports CAN 2.0B active mode, enabling robust industrial networking. The device is manufactured using ST's proprietary 130nm process, balancing performance and power efficiency. Typical applications include industrial control systems, home appliances, automotive body electronics (non-safety), sensor nodes, and communication gateways. The CAN interface makes it particularly suitable for automotive and industrial CAN bus networks, while the multiple UARTs and SPI/I²C support diverse peripheral connectivity. When designing with this MCU, ensure proper decoupling of the VDD and VDDA pins with 100nF capacitors placed close to the pins. The SWIM pin should be pulled up with a 10kΩ resistor for reliable programming. For CAN applications, an external CAN transceiver (e.g., TJA1050) is required, and the bus termination resistor should be 120Ω at each end of the CAN bus.

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STM8S207R6T6 - 24MHz 8-Bit MCU 32KB Flash LQFP-64 | STMicroelectronics
STM8S207R6T6

STM8S207R6T6 - 24MHz 8-Bit MCU 32KB Flash LQFP-64 | STMicroelectronics

The STMicroelectronics STM8S207R6T6 is a performance-line 8-bit STM8S microcontroller built around a CISC Harvard architecture core running at 24 MHz (20 MIPS) with 32 KB of on-chip Flash program memory and up to 2 KB of SRAM plus an integrated EEPROM data area. It integrates a 10-bit ADC, two 16-bit timers plus one 8-bit timer, two UARTs, SPI, I2C, and CAN, all in a 64-pin LQFP (T6 suffix) package operating from 2.95 V to 5.5 V. The device is positioned in the STM8S20xxx family which scales from 32 KB to 128 KB Flash and is intended for cost-sensitive motor-control, appliance, and industrial-control applications. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and peripherals onto one silicon die. The STM8 family uses a CISC 8-bit core with a 16-bit instruction word, giving higher code density than legacy 8051 cores while retaining the predictable interrupt latency and deterministic timing that embedded control designers prefer. The STM8S207 series specifically belongs to the STM8S "performance line," sitting above the access-line STM8S103 and below the value-line STM8S105, and is paired with ST's Cosmic, IAR, and Raisonance toolchains plus the free STVD development environment. Key features of the STM8S207R6T6 include a 20 MIPS peak instruction throughput at 24 MHz, integrated CAN 2.0B interface, a 1 Mbyte linear address space, a single-wire SWIM debug interface, and an embedded bootloader stored in ROM for in-application Flash programming. The device offers 38 GPIOs with 5 V tolerance on most pins and supports up to 16 external interrupts. Watchdog, auto-wakeup, and a 4-level low-power run/wait/slow/halt scheme allow the device to drop quiescent current below 5 uA in Halt with full RAM retention. Architecturally, the STM8S core pairs a 32-bit program address bus with a 24-bit data address bus and supports up to 16 Mbytes of linear addressing for data, while code is read from a separate Flash bus. This Harvard split removes fetch-decode stalls that plague older 8-bit Von Neumann designs and is the reason the family reaches 20 MIPS at 24 MHz without wait states. A 32 KB Flash variant such as the STM8S207R6 sits at the low-memory end of the family, sharing the same peripheral set as the larger 64 KB (R8) and 128 KB (RB) siblings. Typical applications include BLDC/PMSM motor control in appliances, HVAC fan and pump control, smart metering, lighting ballast control, industrial sensor hubs, and CAN-connected remote I/O nodes. The integrated CAN controller, combined with 32 KB Flash, makes the part a good fit for distributed industrial nodes that need deterministic on-chip comms without an external transceiver MCU. When designing with the STM8S207R6T6, pay attention to the 5 V I/O tolerance (most pins are true 5 V tolerant, but a few high-current pins are FT-compat only) and to the SWIM pin shared with NRST; the debug probe needs a tri-state buffer on the SWIM line for in-circuit debugging without disabling reset. The internal 16 MHz HSI RC is accurate to about 1 percent after user trimming, but designs that need CAN bit-time accuracy must select the external HSE crystal option. This page synthesizes distributor pricing, drop-in LQFP-64 alternatives, and practical hardware design notes not found in the manufacturer datasheet alone.

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STM8S207RBT6 - 24MHz 128KB 8-Bit MCU | STMicroelectronics
STM8S207RBT6

STM8S207RBT6 - 24MHz 128KB 8-Bit MCU | STMicroelectronics

The STMicroelectronics STM8S207RBT6 is an 8-bit STM8S performance-line microcontroller with a 24 MHz maximum CPU frequency, 128 KB of Flash program memory, 20 MIPS performance, and a 64-pin LQFP package measuring 10 x 10 mm. It is designed for embedded control applications requiring integrated communications, mixed-signal measurement, and broad peripheral support. An 8-bit microcontroller is a compact embedded computing device that executes firmware from nonvolatile Flash memory while using timers, serial interfaces, and analog inputs to control a target system. The STM8S207RBT6 belongs to the STM8S performance-line hierarchy of 8-bit RISC microcontrollers, combining an advanced Harvard-architecture core with integrated EEPROM, analog, timing, and communication peripherals. Key features include a maximum CPU frequency of 24 MHz, 128 KB of Flash, a three-stage pipeline, a 10-bit ADC, two UARTs, SPI, I2C, and CAN connectivity. According to the STM8S207RBT6 product information, these peripherals allow the device to consolidate functions that would otherwise require separate interface and conversion ICs. The LQFP-64 package also provides numerous general-purpose I/O pins for external sensing, actuation, and communication connections. The STM8 core uses Harvard architecture, separating instruction and data access paths, while the three-stage pipeline supports efficient instruction throughput. At the maximum 24 MHz operating frequency, the device delivers up to 20 MIPS. Integrated EEPROM supports parameter and configuration storage, although its exact capacity must be confirmed from the complete manufacturer datasheet before it is reserved in firmware. Typical applications include industrial controllers, motor-control and automation equipment, communication modules, building-control interfaces, consumer appliances, and compact embedded control panels. CAN, SPI, I2C, and UART support is particularly useful for systems that must connect sensors, actuators, human-interface modules, or service buses while retaining a compact embedded-control architecture. Designers should verify the complete 64-pin pinout, peripheral alternate-function mappings, clock configuration, and decoupling requirements against the manufacturer datasheet. The 10 x 10 mm LQFP footprint is easy to inspect after soldering, but its fine-pitch leads still require careful land-pattern and paste-volume control for reliable assembly. This product page consolidates verified manufacturer and distributor information, package details, sourcing data, application guidance, and temperature-grade replacement options into an engineering-focused reference. It distinguishes exact drop-in options from broader functional comparisons so designers can make a package- and pin-compatible selection without overlooking software or qualification constraints.

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STM8S207S8T6 - 24MHz 8-bit MCU, 64KB Flash | STMicroelectronics
STM8S207S8T6

STM8S207S8T6 - 24MHz 8-bit MCU, 64KB Flash | STMicroelectronics

The STM8S207S8T6 is a performance-line 8-bit microcontroller from STMicroelectronics, operating at up to 24 MHz with 64 Kbytes of Flash program memory. It is part of the STM8S20xxx family, which offers from 32 to 128 Kbytes of Flash, and is housed in a 44-pin LQFP package. The device integrates a rich set of peripherals including a 10-bit ADC, multiple timers, two UARTs, SPI, I2C, and CAN, making it suitable for a wide range of industrial and consumer applications. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, executing instructions on 8-bit words. It typically integrates a CPU core, memory (Flash, RAM, EEPROM), and programmable peripherals on a single die. In the system hierarchy, an 8-bit MCU sits below 16-bit and 32-bit counterparts in processing power but offers lower cost, simpler architecture, and adequate performance for control-oriented tasks. The STM8S207S8T6 belongs to the STM8S performance line, which is designed for applications requiring higher clock speeds and richer connectivity than the value line, while maintaining the ease of use and robustness of the STM8 core. Key features of the STM8S207S8T6 include a 24 MHz CPU clock, 64 KB of Flash memory, 2 KB of data EEPROM, and a 10-bit ADC with up to 16 multiplexed channels. It also provides two UARTs, one SPI, one I2C, and a CAN 2.0B interface, enabling flexible communication in industrial networks. The device operates from a 3.3V or 5V supply, with a wide operating temperature range of -40°C to +85°C, and is available in a 44-pin LQFP package with a 10x10 mm body and 0.8 mm pitch. Technically, the STM8S207S8T6 is built on a high-performance 8-bit core with a three-stage pipeline, achieving up to 20 MIPS at 24 MHz. It includes a nested interrupt controller, a clock controller with multiple sources (internal RC, external crystal, or PLL), and a comprehensive set of timers including a 16-bit advanced control timer, two 16-bit general-purpose timers, and an 8-bit basic timer. The device also features a CAN controller with 3 mailboxes, supporting both standard and extended identifiers, which is critical for automotive and industrial networking. Typical applications include industrial control systems, home appliances, power tools, and automotive body electronics. The CAN interface makes it particularly suitable for automotive networks, while the rich timer set and ADC support motor control and sensor interfacing. The 5V tolerance simplifies direct connection to legacy sensors and actuators without level shifting. When designing with this MCU, ensure proper decoupling of the VDD and VDDA pins with 100 nF capacitors placed close to the device. The internal RC oscillator can be used for cost-sensitive designs, but for precise timing, an external crystal is recommended. The STM8S207S8T6 supports in-circuit programming and debugging via the SWIM interface, which requires a single-wire connection and simplifies firmware updates.

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STM8S207SBT6C - 24MHz 8-bit MCU 128KB Flash LQFP-44 | STMicroelectronics
STM8S207SBT6C

STM8S207SBT6C - 24MHz 8-bit MCU 128KB Flash LQFP-44 | STMicroelectronics

The STMicroelectronics STM8S207SBT6C is a 24 MHz 8-bit STM8S microcontroller with 128 KB program Flash and integrated EEPROM, housed in a 44-pin LQFP package. As a member of the STM8S performance line, this part delivers up to 24 MIPS CPU throughput, integrates a 10-bit ADC, multiple 16-bit timers, two UARTs, SPI, I2C and CAN peripherals, and is rated for 3.0 V to 5.5 V single-supply operation. An 8-bit MCU (microcontroller unit) is a self-contained computing IC that integrates a CPU core, non-volatile program memory (Flash), read/write data memory (RAM/EEPROM), and configurable peripherals (ADC, timers, communication interfaces) on a single die. Within the broader semiconductor taxonomy, an MCU is a sub-category of microcontroller -> embedded processor -> semiconductor device. The STM8S family uses a Harvard-architecture CISC core designed for deterministic real-time control, balancing low power, high code density, and 5 V tolerance that simplifies interfacing to legacy analog and industrial peripherals. The STM8S207SBT6C's key specifications include 38 general-purpose I/O lines, a 10-bit successive-approximation ADC with up to 16 channels, a 1 KB true-EEPROM data area plus 6 KB user RAM, two UARTs (including LIN master capability), one SPI peripheral, one CAN 2.0B interface, and a beCAN controller. Integrated reset circuitry, internal 16 MHz RC oscillator, and window watchdog reduce external component count. The part supports up to 30 kV ESD HBM and operates across -40 °C to +85 °C. Architecturally the STM8S uses a modified Harvard layout, 32-bit program counter with 24-bit linear addressing, and a single-cycle 8x8 multiplier, providing efficient C code generation. The 5 V-tolerant GPIO eliminates level shifters when interfacing to legacy 5 V sensors and drivers, while the integrated CAN controller removes the need for an external transceiver controller. A flexible clock tree with internal 16 MHz HSI reduces external crystal cost for cost-sensitive designs. Typical applications include industrial sensor conditioning nodes, building automation controllers, smart metering peripherals, automotive body and chassis subsystems, low-end motor control boards, and white-goods user-interface modules. Designers choose this STM8S207 variant when 128 KB Flash headroom is needed for communication stacks (CANopen, Modbus) while staying inside the 5 V-tolerant 8-bit ecosystem. A critical design consideration is power budgeting: at 24 MHz the core draws roughly 10 mA plus peripheral contributions, so a clean 3.3 V or 5 V LDO rail is recommended. Decouple VDD/VSS pairs with 100 nF X7R ceramic capacitors placed within 3 mm of each pin pair, and reserve a 4.7 uF bulk capacitor on the main rail. The CAN bus requires a 120 ohm termination offset on each end and a common-mode choke for industrial EMC compliance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not consolidated on the manufacturer datasheet or individual supplier listings.

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STM8S208C6T6 - 24MHz 32KB Flash 8-Bit MCU | STMicroelectronics
STM8S208C6T6

STM8S208C6T6 - 24MHz 32KB Flash 8-Bit MCU | STMicroelectronics

STMicroelectronics STM8S208C6T6 is a 24 MHz, 8-bit STM8S performance-line microcontroller with 32 KB of Flash memory, 12 KB of RAM, and 6 KB of integrated EEPROM in a 48-LQFP 7 x 7 mm package. The device operates from 3 V to 5.5 V and provides 38 I/O ports for compact embedded control systems. A microcontroller is a semiconductor device that integrates a processor core, program memory, data memory, and peripherals on one chip. The STM8S208 belongs to the hierarchy of 8-bit microcontrollers, embedded controllers, and integrated circuits. It combines a high-performance 8-bit core with communication and timing resources suited to cost-sensitive industrial, consumer, communications, and appliance-control products. Key features include a 24 MHz maximum clock, 32 KB Flash organized as 32K x 8, 12 KB RAM, and a 10-bit ADC. Integrated peripherals include timers, two UARTs, SPI, I2C, and CAN. The 48-LQFP package provides 38 I/O pins, allowing a design to combine digital control with analog measurement and multiple serial interfaces without requiring a larger package. The STM8S208 platform is implemented around a high-performance 8-bit core and a peripheral set designed for embedded control. Its combination of 32 KB Flash and 12 KB RAM gives embedded firmware room for state-machine logic, communications routines, calibration data, and application control. The CAN interface is particularly useful for distributed equipment where a controller must exchange periodic data over a robust vehicle or industrial network. Typical applications include industrial controllers, communication modules, motor and appliance controls, instrumentation, CAN-connected equipment, and compact consumer products. For a CAN design, the MCU can handle local real-time control while the CAN peripheral manages framed network traffic. For instrumentation, the 10-bit ADC supports analog measurements, while UART, SPI, and I2C cover external sensors, displays, and configuration devices. Designers should verify the exact peripheral pin assignments, alternate-function multiplexing, clock configuration, decoupling requirements, and programming interface from the manufacturer datasheet before layout. The 3 V to 5.5 V operating range supports both 3.3 V and 5 V system rails, but each connected peripheral and external component must also tolerate the selected rail voltage. This page consolidates the verified 24 MHz, 32 KB Flash, 48-LQFP device information with same-family drop-in candidates, commercial purchasing guidance, and practical selection considerations that are not presented as one compact view in distributor listings.

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STM8S208C8T6 - 8-Bit 24MHz MCU, 64KB Flash | STMicroelectronics
STM8S208C8T6

STM8S208C8T6 - 8-Bit 24MHz MCU, 64KB Flash | STMicroelectronics

The STM8S208C8T6 is a high-performance 8-bit microcontroller from STMicroelectronics, part of the STM8S Performance line. It operates at a maximum frequency of 24 MHz and features 64 KB of Flash memory, 2 KB of EEPROM, and 4 KB of RAM. The device is housed in a 48-pin LQFP package (7x7 mm) and supports a supply voltage range of 2.95V to 5.5V, making it suitable for a wide range of industrial and consumer applications. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit central processing unit (CPU), memory, and peripherals. It is a type of embedded processor used to control electronic systems. In the hierarchy of computing devices, an 8-bit MCU is a subset of microcontrollers, which are a subset of embedded systems, which are a subset of electronic systems. The STM8S208C8T6 is a CISC (Complex Instruction Set Computer) architecture MCU, offering a rich instruction set and efficient code density. Key features of the STM8S208C8T6 include a 10-bit analog-to-digital converter (ADC) with up to 16 channels, multiple timers (including a 16-bit advanced control timer, a 16-bit general-purpose timer, and a basic timer), and a comprehensive set of communication interfaces: two UARTs, one SPI, one I2C, and one CAN interface. The device also includes an integrated EEPROM for data storage, a watchdog timer, and a low-power mode for energy-efficient operation. The STM8S208C8T6 is built on a high-performance 8-bit core with a three-stage pipeline, achieving up to 20 MIPS at 24 MHz. It features a flexible clock control with an internal RC oscillator, an external crystal oscillator, and a phase-locked loop (PLL) for frequency multiplication. The device supports in-circuit programming and debugging via the SWIM (Single Wire Interface Module) interface, simplifying firmware development and field updates. Typical applications include industrial control systems, home automation, consumer electronics, automotive body electronics, and power management. The CAN interface makes it particularly suitable for automotive and industrial networking applications where robust communication is required. The wide operating voltage range and low-power modes enable battery-powered and energy-harvesting designs. When designing with the STM8S208C8T6, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to the VDD and VSS pins. The SWIM interface should be reserved for programming and debugging. For CAN applications, an external CAN transceiver (e.g., TJA1050) is required. The device is RoHS compliant and available in tray packaging.

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STM8S208R8T6 - 8-Bit 24MHz 64KB Flash MCU | STMicroelectronics
STM8S208R8T6

STM8S208R8T6 - 8-Bit 24MHz 64KB Flash MCU | STMicroelectronics

The STM8S208R8T6 is a high-performance 8-bit microcontroller from STMicroelectronics' STM8S series, featuring a 24 MHz CPU core, 64KB of Flash program memory, and 6KB of RAM. It is housed in a 64-pin LQFP package (10x10 mm) and operates from a 3.3V or 5V supply, making it suitable for a wide range of industrial and consumer applications. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, integrating a CPU, memory, and peripherals. The STM8S series is a family of 8-bit MCUs from STMicroelectronics, positioned between low-end 8-bit devices and 32-bit ARM-based MCUs. It offers a cost-effective solution for applications requiring moderate processing power, rich peripherals, and low power consumption. The STM8S208R8T6 belongs to the performance line, which provides higher clock speeds and more memory compared to access line devices. Key features include a 24 MHz maximum CPU frequency with 0 wait states, 64KB of Flash memory, 6KB of RAM, and 2KB of EEPROM. It integrates a 10-bit ADC with up to 16 channels, multiple 16-bit timers, two UARTs, SPI, I2C, and a CAN interface. The device also includes a watchdog timer, brown-out reset, and low-power modes, enhancing reliability and energy efficiency. The STM8S208R8T6 is built on ST's advanced 8-bit core architecture, which delivers up to 20 MIPS at 24 MHz. It features a Harvard architecture with separate instruction and data buses, allowing simultaneous instruction fetch and data access. The integrated EEPROM enables non-volatile data storage without external components, and the CAN interface supports robust communication in automotive and industrial networks. Typical applications include industrial control systems, home appliances, automotive body electronics, and communication modules. The CAN interface makes it ideal for automotive networks, while the rich timer and ADC peripherals suit motor control and sensor interfacing. The wide operating voltage range (2.95V to 5.5V) ensures compatibility with both 3.3V and 5V logic systems. When designing with this MCU, ensure proper decoupling of the power supply and a stable clock source. The device supports multiple clock sources, including an internal RC oscillator and external crystal. For low-power applications, utilize the halt and active-halt modes to reduce current consumption. The CAN interface requires an external transceiver, such as the TJA1050, for physical layer connectivity.

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STM8S208RBT3 - 24MHz 128KB 8-Bit MCU | STMicroelectronics
STM8S208RBT3

STM8S208RBT3 - 24MHz 128KB 8-Bit MCU | STMicroelectronics

The STMicroelectronics STM8S208RBT3 is an 8-bit STM8S performance-line microcontroller with a 24 MHz CPU, 128 KB of Flash program memory, integrated EEPROM, a 10-bit ADC, and communication peripherals including two UARTs, SPI, I²C, and CAN. The device is supplied in a 64-LQFP package measuring 10 x 10 mm and is intended for compact embedded-control systems. An 8-bit microcontroller is a programmable semiconductor containing a processor core, memory, and integrated peripherals on one device. STM8 devices belong to the broader microcontroller and embedded-processor hierarchy, combining an 8-bit CISC-oriented architecture with deterministic real-time control peripherals. The STM8S208 performance line is positioned above smaller STM8 families by offering more Flash memory and a broad selection of communication and timing resources. Key features of the STM8S208RBT3 include operation at up to 24 MHz, 128 KB of Flash, integrated EEPROM, a 10-bit analog-to-digital converter, multiple timers, 38 I/O ports, and support for UART, SPI, I²C, and CAN communication. These resources allow the MCU to consolidate several discrete functions on a single device and reduce component count in industrial controls, communications equipment, access systems, and embedded measurement products. The STM8S architecture supports a supply range of 3 V to 5.5 V according to the verified distributor data. Its integrated EEPROM provides nonvolatile data storage without requiring an external memory chip, while the 10-bit ADC supports analog sensor acquisition. Two UART channels enable asynchronous serial connectivity, SPI supports higher-speed peripherals, I²C supports external sensors and EEPROMs, and CAN supports industrial network nodes. Typical applications include industrial automation controllers, CAN-connected equipment, motor and relay control, environmental monitoring, access-control terminals, serial data acquisition, and compact consumer appliances. The 64-LQFP package provides enough I/O for external sensors, displays, transceivers, and actuators while remaining practical for leaded PCB assembly and prototype development. Designers should verify the exact pin assignment, electrical limits, oscillator requirements, reset circuit, and decoupling recommendations against the STM8S208RB manufacturer documentation before layout. The 3 V to 5.5 V supply requirement means external interface levels and sensor voltages must remain compatible with the MCU pins used. This product page consolidates verified manufacturer and distributor specifications, same-package replacement guidance, interface coverage, and practical engineering considerations into one reference for engineers evaluating the STM8S208RBT3.

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STM8S208RBT6 - 8-Bit 24MHz 128KB Flash MCU | STMicroelectronics
STM8S208RBT6

STM8S208RBT6 - 8-Bit 24MHz 128KB Flash MCU | STMicroelectronics

STMicroelectronics STM8S208RBT6 is an 8-bit STM8S performance-line microcontroller operating at 24MHz with 128KB of Flash program memory and up to 20MIPS throughput. It is supplied in a 64-pin LQFP package and supports 3.3V and 5V operation according to the verified product listings. Integrated peripherals include a 10-bit ADC, timers, two UARTs, SPI, I2C, and CAN. An STM8S microcontroller belongs to the 8-bit embedded-control segment of the semiconductor hierarchy. These devices combine a compact CISC core, embedded nonvolatile memory, analog conversion, serial communication, and timing peripherals in one package. They are used where deterministic control, low system complexity, and economical embedded intelligence are more important than the processing power and memory bandwidth of a 32-bit Cortex-M MCU. The STM8S208RBT6 combines 128KB Flash with a 24MHz clock, delivering 20MIPS as identified by Mouser. Its integrated 10-bit ADC supports measurements without a separate converter, while two UARTs, SPI, I2C, and CAN provide several paths for sensors, displays, industrial networks, and external controllers. This interface density makes the device suitable for compact industrial controllers, motor-control helpers, communication gateways, and embedded measurement products. As an STM8S20xxx performance-line part, the device belongs to a family offered from 32KB through 128KB Flash. The selected 128KB configuration provides more program space than lower-density variants while preserving the familiar STM8S peripheral and software environment. This supports protocol stacks, application logic, logging, and parameter handling in a single embedded controller. Typical applications include CAN-connected industrial nodes, sensor acquisition and control, motor or actuator supervision, and compact communication equipment. The CAN interface is valuable when the design must participate in a bus network, while the ADC and multiple serial interfaces support local sensing. Designers should still verify timing, peripheral availability, pin multiplexing, and memory requirements in the manufacturer documentation before finalizing firmware. The principal design consideration is that software compatibility does not guarantee an unconditional drop-in replacement. Firmware startup code, interrupt vectors, peripheral configuration, clock settings, and PCB pad assignments must all be checked. For new designs, the 128KB Flash capacity and broad mixed-signal connectivity can reduce external components, but the 64-pin LQFP footprint requires adequate board area and careful routing of analog and communication signals. This product page combines verified manufacturer, distributor, and cross-reference information with practical design guidance. It helps engineers assess the STM8S208RBT6, compare documented same-family options, understand its peripherals, and plan sourcing and PCB integration without presenting unsupported electrical values.

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STM8S903F3M6 - 16MHz 8KB 8-Bit MCU | STMicroelectronics
STM8S903F3M6

STM8S903F3M6 - 16MHz 8KB 8-Bit MCU | STMicroelectronics

The STMicroelectronics STM8S903F3M6 is an 8-bit STM8S-series microcontroller operating at 16 MHz, with 8 KB of Flash memory, 16 I/O ports, and a 20-SOIC package. According to the verified distributor data, it is available in a 20-SO package and is identified as an active, RoHS-compliant device with a 2.95 V to 5.5 V supply-voltage range. What is an 8-bit microcontroller? An MCU is a semiconductor device that combines a processor core, program memory, data memory, and peripherals on one integrated circuit. The STM8S903F3M6 belongs to the 8-bit MCU -> embedded microcontroller -> semiconductor hierarchy and is intended for compact control, measurement, and communication systems where a dedicated processor, memory, and serial interfaces are required. Verified specifications identify 8 KB of Flash memory, 1 KB of RAM, 640 bytes of EEPROM, a 10-bit ADC, two timers, UART, SPI, and I²C. These peripherals make the device suitable for sensor acquisition, actuator control, industrial instrumentation, and low-cost embedded products. The 16 MHz clock provides the processing headroom needed for basic control loops and serial data handling, although the verified data does not specify the complete peripheral timing or ADC accuracy. The STM8S903F3M6 uses a 20-SOIC package, also described as a 0.295-inch, 7.50 mm-width SOP package in the verified distributor data. The SOIC outline is a surface-mount package with gull-wing leads, making it suitable for conventional PCB assembly and prototype-to-production transfer. The package pinout and exposed thermal-pad details are not included in the supplied verified data, so the pinout is reported as null rather than inferred. Typical applications include compact industrial controllers, low-power sensor nodes, simple motor or relay-control boards, data-acquisition modules, UART-to-digital bridges, and small SPI or I²C peripheral boards. The STM8 family can be paired with external sensors and communication transceivers, while the integrated ADC supports analog measurement. Final firmware support should be confirmed with the applicable STMicroelectronics development tools and device documentation. For PCB design, preserve the manufacturer's recommended decoupling and grounding layout, and verify all peripheral pins, reset behavior, clock requirements, and package dimensions against the official datasheet before production. This page combines verified distributor specifications, package data, sourcing information, and engineering-oriented application guidance without treating unverified details as guaranteed specifications.

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STM8S903F3P6 - 16MHz 8-Bit MCU | STMicroelectronics
STM8S903F3P6

STM8S903F3P6 - 16MHz 8-Bit MCU | STMicroelectronics

STMicroelectronics STM8S903F3P6 is an 8-bit STM8S-series microcontroller operating at up to 16 MHz, with 8 KB of Flash program memory and a 20-TSSOP package. The device operates from 2.95 V to 5.5 V and provides 1 KB of RAM, 640 bytes of true EEPROM, a 10-bit ADC, two timers, UART, SPI, and I²C connectivity. It is designed for compact embedded-control systems requiring mixed analog and digital functions without a higher-cost 32-bit MCU. An 8-bit microcontroller is a programmable semiconductor containing a processor core, nonvolatile program memory, data memory, and integrated peripherals. Within the hierarchy of embedded semiconductors, an MCU is below a microprocessor in processing capability but combines greater control simplicity with lower system cost and power use. The STM8S903F3 belongs to STMicroelectronics’ STM8S access line and targets cost-sensitive consumer, appliance, and industrial-control applications. Key features include 8 KB of Flash, 1 KB of RAM, and 640 bytes of EEPROM, allowing firmware, working data, and nonvolatile parameters to be consolidated in one device. The 10-bit ADC supports analog measurement, while two timers support timing and periodic control functions. UART, SPI, and I²C interfaces cover serial communication, sensor connectivity, and expansion to external ICs. The 2.95 V to 5.5 V supply range accommodates both 3.3 V and 5 V system environments. The STM8S903F3 architecture combines an 8-bit STM8 core with dedicated peripheral resources and true data EEPROM. Its 16 MHz maximum clock rate provides sufficient processing bandwidth for control loops, user-interface scanning, communications, and low-complexity signal processing. At the same time, the 20-TSSOP package limits board footprint, making it practical for compact embedded products. Detailed pin-level functions and electrical limits should be confirmed against the manufacturer datasheet before layout release. Typical uses include appliance control, small industrial controllers, digital input and output modules, sensor interfaces, compact timers, and embedded communication nodes. The STM8S903F3P6 is particularly suitable when a design requires several serial interfaces alongside analog sensing but does not justify the software complexity or cost of a 32-bit MCU. Its integrated EEPROM is useful for retaining configuration data, calibration values, or counters without an external memory component. Designers should confirm the exact 20-TSSOP land pattern, pin multiplexing, oscillator connections, reset implementation, and peripheral pin assignments using the official datasheet. Decoupling and signal-integrity layout should follow the manufacturer recommendations, while software validation should include startup, clock configuration, ADC accuracy, timer behavior, and communications under expected bus loading. The broad 2.95 V to 5.5 V range does not remove the need to verify every peripheral and I/O condition at the minimum and maximum system voltages.

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