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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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STM8S207CBT3 - 24MHz 8-Bit MCU, 128KB Flash | STMicroelectronics
STM8S207CBT3

STM8S207CBT3 - 24MHz 8-Bit MCU, 128KB Flash | STMicroelectronics

STMicroelectronics STM8S207CBT3 is a 24 MHz, 8-bit performance-line STM8S microcontroller with 128 KB of Flash program memory, 38 I/O ports, a 3 V to 5.5 V supply range, and a 48-pin LQFP package. It combines an 8-bit CPU, embedded Flash memory, general-purpose I/O, and integrated peripherals in one surface-mount device for compact embedded-control systems. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, I/O, and peripherals into a single component. Within the electronics hierarchy, the STM8S207CBT3 belongs to the STM8S family of 8-bit microcontrollers and sits below general-purpose MCU, embedded processor, and semiconductor categories. Its internal Flash memory allows firmware, configuration data, and application constants to be stored directly on the chip, reducing the component count of a standalone controller board. The manufacturer identifies this device as a performance-line member operating at 24 MHz with 128 KB of Flash. The 128 KB total is organized as 128K x 8, according to the distributor listing. Its stated 3 V to 5.5 V supply range supports conventional embedded systems, while 38 I/O ports provide connections for digital control signals, switches, indicators, and peripheral interfaces. The STM8S20xxx family is intended for applications requiring more performance and memory than smaller STM8 devices. That positioning makes the STM8S207CBT3 useful in industrial controllers, compact automation equipment, sensor nodes, motor-control systems, and consumer products. Its 48-LQFP package exposes a comparatively generous pin count while remaining compatible with standard surface-mount assembly and inspection processes. Typical design choices include using the 3.3 V or 5 V rail within the stated 3 V to 5.5 V range, programming the internal Flash through the manufacturer-supported development interface, and assigning I/O according to the pin-description table in the datasheet. Designers should preserve the device-specific pin multiplexing, oscillator, reset, and debug connections when laying out a new PCB. For new designs, confirm the complete electrical limits, peripheral configuration, startup behavior, and package drawing in the manufacturer datasheet before committing the footprint. The 48-LQFP land pattern should be checked against the official mechanical drawing, and unused I/O pins should be treated according to the device guidance rather than assigned automatically. This product page organizes the verified identity, core specifications, sourcing paths, same-package alternatives, and design considerations for STM8S207CBT3. It also identifies where additional engineering data must be consulted, helping engineers move from general MCU selection to a verified schematic and layout review.

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STM8S207CBT6 - 24MHz 128KB Flash 8-Bit MCU | STMicroelectronics
STM8S207CBT6

STM8S207CBT6 - 24MHz 128KB Flash 8-Bit MCU | STMicroelectronics

The STMicroelectronics STM8S207CBT6 is a 24 MHz, 8-bit STM8S performance-line microcontroller with 128 KB of embedded Flash program memory in an LQFP-48 package. The device is designed for industrial control, communications equipment, data acquisition, and embedded control systems that need more memory and peripheral integration than entry-level 8-bit microcontrollers. An 8-bit microcontroller is a compact computing platform that integrates a CPU core, program Flash, data RAM, I/O ports, timers, communication interfaces, and reset and clock circuitry on one package. Within the product hierarchy, the STM8S207CBT6 belongs to the STM8S high-density performance line, combining an 8-bit architecture with a 24 MHz clock and extended peripheral resources for control-oriented embedded products. Key features include 24 MHz maximum CPU frequency, 128 KB of Flash memory organized as 128 K x 8, a multi-pin LQFP package, and the STM8S peripheral set. According to the manufacturer STM8S20xxx datasheet, the family covers devices with 32 KB to 128 KB of Flash and is intended for applications requiring a balance of processing speed, memory, and low-cost integration. The STM8S207CBT6 is ordered in the temperature range indicated by the T6 suffix and ships in a tape-and-reel format for automated assembly. The STM8S architecture supports embedded control workloads such as keypad and display management, industrial communication, sensor acquisition, and supervisory control. Its 24 MHz performance provides additional timing headroom for interrupt-driven control loops, while 128 KB of Flash allows larger application code, lookup tables, and protocol stacks than smaller STM8 devices. Designers should still verify peripheral availability, pin multiplexing, clock limits, and electrical limits against the device-specific sections of the STM8S20xxx datasheet. Because the STM8S207CBT6 uses the STM8S peripheral architecture, existing STM8 code, driver structures, and tool-chain workflows can be reused. STMicroelectronics tools such as ST-LINK, STM8CubeProgrammer, and STM8CubeMX support the programming and configuration workflow. Confirm the exact debugger, bootloader, and application-note requirements for the deployed firmware before layout sign-off. When planning the PCB, reserve the LQFP-48 footprint with the manufacturer-recommended pad dimensions and land pattern, connect all supply pins, and place decoupling capacitors close to each supply pin. This page consolidates verified part identity, memory and speed data, same-family alternatives, and practical design guidance for engineers evaluating a second source or redesign around the STM8S207CBT6.

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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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STM8S207R8T3 - 24 MHz 64 KB 8-Bit MCU | STMicroelectronics
STM8S207R8T3

STM8S207R8T3 - 24 MHz 64 KB 8-Bit MCU | STMicroelectronics

STMicroelectronics STM8S207R8T3 is an 8-bit STM8S performance-line microcontroller operating at up to 24 MHz with 64 KB of Flash program memory in a 64-pin LQFP package. It is designed for embedded control applications requiring a compact 8-bit core, integrated communication peripherals, and mixed-signal measurement capability. The device includes a 10-bit ADC, two UART interfaces, SPI, I2C, CAN, and multiple timers according to the STM8S207R8T3 family documentation. An STM8 microcontroller is an 8-bit embedded controller within the broader microcontroller and semiconductor hierarchy. It combines a CPU, program memory, data memory, peripherals, and general-purpose I/O in one integrated circuit. The STM8S207 performance line is aimed at applications that need more connectivity and mixed-signal resources than basic 8-bit controllers, while retaining the simple programming model and peripheral set associated with the STM8 family. The headline operating specifications are a 24 MHz maximum clock speed, 64 KB of Flash memory, and a 64-pin LQFP package. The MCU supports a 3 V to 5.5 V supply range, as identified in the STM8S207R8T3 technical listing, and provides 38 I/O ports in the same listing. Its integrated 10-bit ADC enables analog sensor acquisition, while the CAN, UART, SPI, and I2C interfaces support industrial communication, external peripherals, data logging, and actuator-control systems. The STM8S207R8T3 belongs to the STM8S207 family, whose 64-pin members provide a practical balance of processing speed, memory, connectivity, and package size. The 8-bit architecture is suitable for real-time control tasks that do not require a high-performance 32-bit CPU. Typical embedded applications include motor and relay control, industrial interfaces, instrumentation, environmental monitoring, communication gateways, and compact consumer controllers. Design work should account for the device’s supply-voltage limits, clock configuration, peripheral pin multiplexing, and ADC input requirements. Use the manufacturer’s pinout and application information when assigning communication and analog functions, and include appropriate decoupling and signal-conditioning arrangements around the MCU. Because the STM8S207R8T3 is a high-pin-count LQFP device, careful PCB layout is important for reliable soldering, short return paths, and stable peripheral operation. This product page combines the core STM8S207R8T3 specifications, package information, application guidance, and verified replacement candidates. It is intended to help engineers compare the MCU with same-package family options, plan PCB and peripheral assignments, and identify the technical differences that matter before approving a substitution.

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STM8S207R8T6 - 24MHz 8-Bit MCU 64KB Flash | STMicroelectronics
STM8S207R8T6

STM8S207R8T6 - 24MHz 8-Bit MCU 64KB Flash | STMicroelectronics

The STMicroelectronics STM8S207R8T6 is a 24 MHz, 8-bit STM8S20xxx performance-line microcontroller with 64 KB of Flash program memory, integrated EEPROM, and a 64-pin LQFP package. It executes up to 20 MIPS at 24 MHz and combines an advanced 10-bit ADC with timers, two UARTs, SPI, I²C, and CAN connectivity. An 8-bit microcontroller is a compact processor optimized for embedded control, measurement, communications, and automation. The STM8S207R8T6 belongs to STMicroelectronics' STM8S family and is positioned as a high-density performance-line device. Its combination of EEPROM, serial peripherals, and CAN support allows designers to consolidate control logic that would otherwise require several discrete components. Principal features include a 24 MHz maximum CPU frequency, 64 KB of Flash memory, integrated EEPROM, and 10-bit analog-to-digital conversion. The device also provides 38 I/O ports, two UART interfaces, SPI and I²C serial buses, and CAN capability. A 3 V to 5.5 V operating-voltage range supports both 3.3 V and 5 V system architectures while allowing integration across industrial controls, communications equipment, and consumer products. The STM8 architecture provides a direct execution path for embedded firmware without an external instruction-memory interface. Hardware peripherals support serial data exchange, analog measurement, timing, and bus communication, reducing external component count and helping consolidate application logic. Maximum CPU operation at 24 MHz provides 20 MIPS of nominal instruction throughput, which is useful for responsive control loops and protocol handling. Typical applications include industrial automation controllers, CAN-connected equipment, serial data concentrators, motor and process control, programmable logic controllers, and compact consumer appliances. Its three principal bus and communication resources—UART, SPI, and I²C—support sensors, displays, transceivers, and external nonvolatile storage, while the 10-bit ADC supports analog monitoring. Design the PCB with short, terminated clock routes, decoupled supply pins, and a continuous ground plane. Confirm peripheral multiplexing, alternate-function assignments, and the 64-pin package pinout against the manufacturer documentation before finalizing routing. Firmware validation should include startup timing, watchdog behavior, bus contention, and CAN termination requirements for the selected system topology. This page consolidates the device's principal specifications, same-package replacement options, application guidance, and design considerations into a practical engineering reference. It also distinguishes verified electrical attributes from parameters that still require confirmation from the official STM8S207x datasheet and reference manual.

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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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STM8S208C6T3 - 24MHz 8-Bit MCU, 32KB Flash | STMicroelectronics
STM8S208C6T3

STM8S208C6T3 - 24MHz 8-Bit MCU, 32KB Flash | STMicroelectronics

STMicroelectronics STM8S208C6T3 is an 8-bit STM8S performance-line microcontroller operating at 24 MHz with 32 KB of Flash program memory in a 48-pin LQFP package measuring 7 x 7 mm. It supports 3.3 V and 5 V operation and integrates a 10-bit ADC, timers, two UART interfaces, SPI, I²C, CAN, and EEPROM for compact embedded control designs. A microcontroller is a programmable semiconductor that combines a CPU core, nonvolatile program memory, data memory, and peripherals on one integrated circuit. The STM8S208 belongs to the STM8S20xxx performance line, where the 8-bit MCU family belongs to the broader microcontroller, embedded-processing, and semiconductor hierarchy. Its combination of communication peripherals and integrated analog conversion supports industrial controls, communications equipment, and compact consumer products. The STM8S208C6T3 differentiates itself through its 24 MHz operating frequency, 32 KB Flash organization, and extensive peripheral set. Two UART channels allow simultaneous serial communication, while SPI and I²C support expansion and sensor connectivity. The integrated CAN controller is particularly useful for embedded networking, and the 10-bit ADC permits direct analog-signal measurement without a separate converter in many designs. The device uses an 8-bit STM8 architecture and is intended for embedded systems requiring deterministic control across multiple standard interfaces. Its 32 KB Flash capacity provides room for application firmware, while integrated EEPROM supports nonvolatile parameter storage. The exact RAM capacity, operating-temperature limits, ADC conversion rate, timer channels, and electrical characteristics require confirmation in the manufacturer datasheet before a production design is released. Typical applications include CAN-connected industrial controllers, serial gateways, motor and valve control systems, compact instrumentation, and CAN bus accessories. In these systems, the MCU can sample analog inputs through the 10-bit ADC, execute control logic, and communicate with external sensors or actuators through UART, SPI, I²C, or CAN. This integration reduces the number of external components and simplifies firmware architecture. Design layouts should place decoupling capacitors close to the supply pins, preserve adequate ground-plane continuity beneath the LQFP, and route sensitive analog inputs away from high-current switching nodes. Firmware should also define reset, watchdog, communication timeout, and peripheral initialization behavior before enabling application-level control loops. This product summary consolidates the verified STM8S208C6T3 characteristics, interface capabilities, application guidance, and drop-in family options into an engineering-focused resource that extends beyond a basic distributor listing.

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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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STM8S208CBT6 - 24MHz 8-Bit MCU, 128KB Flash | STMicroelectronics
STM8S208CBT6

STM8S208CBT6 - 24MHz 8-Bit MCU, 128KB Flash | STMicroelectronics

The STMicroelectronics STM8S208CBT6 is a 24 MHz performance-line 8-bit microcontroller with 128 KB of Flash program memory, integrated EEPROM, and a 48-pin LQFP package. It combines a 10-bit ADC, multiple timers, two UART interfaces, SPI, I²C, and CAN connectivity for compact embedded control systems operating from 3.3 V or 5 V. An 8-bit microcontroller is a microprocessor optimized for embedded control tasks such as sensing, actuator control, communications, and system supervision. The STM8S belongs to the STM8S performance line and combines an 8-bit CISC architecture with dedicated peripheral interfaces. This hierarchy places it above basic 8-bit controllers in performance while retaining the simple programming model and cost profile associated with embedded microcontrollers. The principal device characteristics are a 24 MHz operating frequency, 128 KB of Flash memory, and a 48-pin LQFP package. Integrated EEPROM supports nonvolatile parameter storage, while the 10-bit ADC provides a practical interface for analog sensors. Two UARTs support serial diagnostics or external-module communication, and the SPI and I²C interfaces allow connection to displays, sensors, memory, and other digital peripherals. CAN support makes the device relevant to distributed industrial and automotive-style control networks. The STM8S208CBT6 integrates communication and timing resources in one package, reducing the need for external interface controllers. Its timer resources support periodic measurement, pulse generation, motor-control-oriented timing, and input capture functions. The combination of CAN, two UART channels, SPI, and I²C permits multiple independent communication paths while retaining a single embedded controller. Exact SRAM capacity, EEPROM capacity, ADC conversion rates, and individual timer counts must be confirmed in the manufacturer datasheet before final design sign-off. Typical applications include industrial sensor nodes, building-control modules, motor and relay controllers, automotive accessories, CAN-connected equipment, and compact consumer products. Its 48-pin package provides more I/O and peripheral connectivity than smaller STM8 devices, making it appropriate when a design needs both communication breadth and a meaningful number of external connections. The trade-off is a larger footprint and board area than 20-pin or 32-pin alternatives. For PCB design, assign pins from the exact STM8S208CB datasheet rather than inferring them from a generic STM8 symbol. Preserve the device’s decoupling requirements, provide a clean analog reference for the ADC, and route communication interfaces away from switching nodes. Confirm clock configuration, boot behavior, programming access, and unused-pin handling before committing the layout to production. This product record combines the manufacturer’s STM8S208CB family information with package, interface, application, and substitution guidance. It highlights the engineering trade-offs among same-footprint STM8S options and provides practical design context for teams selecting a 24 MHz, 128 KB Flash 8-bit controller for CAN, serial, analog, and embedded-control designs.

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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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STM8S903F3M3 - 16MHz 8-Bit MCU | STMicroelectronics
STM8S903F3M3

STM8S903F3M3 - 16MHz 8-Bit MCU | STMicroelectronics

STMicroelectronics STM8S903F3M3 is an 8-bit STM8S-series microcontroller rated for operation up to 16 MHz, with 8 KB of Flash program memory and 1 KB of RAM in a 20-pin SOIC package. The device also includes 640 bytes of true data EEPROM, a 10-bit ADC, two timers, UART, SPI, and I2C interfaces. Its operating supply range is 2.95 V to 5.5 V, while 16 GPIO pins support embedded control and communication tasks. An 8-bit microcontroller is a compact embedded processor designed to execute firmware, read sensors, control outputs, and manage communication interfaces. The STM8S903F3 belongs to the broader STM8 embedded and industrial-control ecosystem. Compared with application-specific logic, a microcontroller consolidates processing, memory, analog measurement, timing, and serial communications into one device, reducing board area and simplifying product maintenance. The 16 MHz operating frequency provides useful processing headroom for real-time control, while 8 KB of Flash stores application code and 640 bytes of EEPROM preserve frequently changed parameters such as calibration values or configuration data. The 10-bit ADC supports analog sensor acquisition, and the two timers help implement periodic tasks, pulse measurement, motor timing, or basic PWM-related functions. UART, SPI, and I2C expand the available connection options for external controllers, sensors, displays, and transceivers. The STM8S core combines an 8-bit architecture with integrated peripheral blocks, allowing firmware to handle sensing and communications without separate interface controllers. Two supply rails—VDD and VDDA—support the digital and analog sections, while the 2.95 V to 5.5 V operating range accommodates common embedded supply conditions. The part includes low-power, power-on, and power-down reset behavior described for the STM8S903F3 family. Typical uses include industrial control modules, compact instrumentation, motor-control front ends, metering equipment, IoT sensor nodes, and cost-sensitive consumer or automotive electronics. The UART is useful for external configuration or diagnostics, SPI supports faster peripheral communication, and I2C accommodates low-speed sensors and memory devices. PCB design should account for analog and digital supply decoupling, stable grounding, and programming access. Place the required input and output capacitors close to their associated pins, route analog inputs away from fast switching nodes, and use a clean ground strategy to reduce ADC noise. Confirm the exact pin function and package dimensions against the manufacturer datasheet before layout release. This page consolidates the manufacturer specifications, interface capabilities, sourcing guidance, and design considerations engineers need to evaluate the STM8S903F3M3 for a new embedded design.

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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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STM8S903F3P3 - 16MHz 8-Bit MCU, 8KB Flash | STMicroelectronics
STM8S903F3P3

STM8S903F3P3 - 16MHz 8-Bit MCU, 8KB Flash | STMicroelectronics

The STMicroelectronics STM8S903F3P3 is an 8-bit STM8S-series microcontroller with a 16 MHz core, 8 KB of Flash program memory, 1 KB of RAM, and 640 bytes of EEPROM in a 20-pin TSSOP package. Its integrated peripherals include a 10-bit ADC, two timers, UART, SPI, and I2C interfaces. An 8-bit microcontroller is a compact embedded-processing component designed for control-oriented products that monitor inputs, operate actuators, and communicate with external devices. The STM8S product type belongs to the hierarchy of microcontroller, embedded processor, semiconductor, and integrated-circuit devices. The STM8S903 access line combines an economical 8-bit architecture with integrated data EEPROM and conventional serial interfaces, making it suitable for compact industrial controllers, measurement instruments, and embedded accessories. The principal system benefits are 8 KB of nonvolatile program storage, 1 KB of volatile data memory, and 640 bytes of true data EEPROM. The 10-bit ADC supports analog measurements, while two timers support timing, pulse generation, and basic motor or LED control functions. UART, SPI, and I2C connectivity allows the MCU to communicate with sensors, displays, transceivers, and external nonvolatile memories without requiring a separate interface controller. The STM8S903F3 operates from a 3.3 V or 5 V supply and is specified for temperatures from -40°C to +125°C. Its 20-pin TSSOP package supports compact surface-mount assemblies while exposing the core control, analog, timing, and communication functions. The STM8S903F3 family combines an 8-bit CPU with a mixed-signal peripheral set designed for cost-sensitive embedded systems that need deterministic control and moderate communication bandwidth. Typical applications include industrial control panels, digital thermometers, environmental monitoring stations, compact motor controllers, sensor-interface modules, and communication-enabled embedded accessories. In each case, the MCU can acquire analog inputs, execute control logic, store operating parameters, and update external peripherals through its integrated communication interfaces. A 16 MHz operating rate supports responsive polling and control without a higher-complexity processor core. When designing the PCB, reserve the 20-pin TSSOP footprint and route power, ground, programming signals, reset, and decoupling according to the manufacturer pin-description table. Place the supply bypass capacitor close to the device and use the pin table when assigning alternate-function signals. Firmware and peripheral configuration should be checked against the STM8S903F3 datasheet and the STM8 toolchain documentation before production release. This product record combines manufacturer specifications, orderable-part information, package details, application guidance, and a structured drop-in comparison. It is intended to help engineers evaluate the STM8S903F3P3 for embedded control designs and to request current commercial availability through the page's Request a Quote form.

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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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STM8S903K3B6 - 16MHz 8-Bit MCU with 8KB Flash | STMicroelectronics
STM8S903K3B6

STM8S903K3B6 - 16MHz 8-Bit MCU with 8KB Flash | STMicroelectronics

STMicroelectronics STM8S903K3B6 is an 8-bit STM8S-series microcontroller with a 16 MHz maximum clock, 8 KB Flash program memory, 1 KB RAM, 640 bytes EEPROM, and a 10-bit ADC in a 32-pin SDIP package. The device also provides 16 I/O ports, two timers, UART, SPI, and I²C interfaces for compact embedded control systems. Its operating supply range is 2.95 V to 5.5 V. A microcontroller is a programmable integrated circuit containing a CPU core, memory, and peripherals that execute firmware and interact with external hardware. The STM8S903K3 belongs to the STM8 access-line family, which combines an 8-bit core, integrated nonvolatile data EEPROM, and mixed-signal peripherals in a relatively small package. It is intended for cost-sensitive embedded products that need more capability than a basic logic controller without adopting a higher-performance 32-bit MCU. The STM8S903K3B6 provides 8 KB of Flash for program storage, 1 KB of RAM for working data, and 640 bytes of true EEPROM for parameter retention. Its 10-bit ADC supports analog measurements, while two timers support timing and periodic control functions. UART, SPI, and I²C provide three distinct communication paths for external sensors, actuators, displays, and serial peripherals. The 16 MHz clock enables predictable execution of control loops and interrupt-driven firmware. STMicroelectronics describes the STM8S903K3/F3 access line as an 8-bit MCU family offering 8 Kbyte Flash program memory and integrated true data EEPROM. The target device is identified by the STM8S903K3 ordering code and B6 package/temperature suffix. The verified product information specifies a 2.95 V to 5.5 V supply range, a 16 MHz clock, and an operating lifecycle status of ACTIVE. Typical uses include compact industrial controllers, sensor-interface modules, appliance controls, communication transceivers, low-cost instrumentation, and general-purpose embedded products. The combination of ADC, timers, EEPROM, and serial interfaces permits a single controller to acquire analog data, execute deterministic timing functions, preserve calibration values, and communicate with a host or peripheral device. Designers should budget PCB area for the 32-pin SDIP footprint and confirm that the selected schematic uses only functions and pin assignments supported by the exact STM8S903K3 variant. Power-supply decoupling, programming access, reset behavior, and analog-input conditioning should be validated against the manufacturer datasheet before layout release. Because the search excerpts do not provide the complete pin map, a new design must not infer pin assignments from a similarly named STM8 device. This page consolidates verified manufacturer and distributor specifications, lifecycle information, interface capabilities, and package details with selection guidance and practical design cautions. It also distinguishes confirmed same-package alternatives from candidates that require additional engineering verification, helping engineers avoid treating broadly similar MCUs as automatic drop-in replacements.

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STM8S903K3T6 - 8-bit MCU, 8KB Flash, 16MHz | STMicroelectronics
STM8S903K3T6

STM8S903K3T6 - 8-bit MCU, 8KB Flash, 16MHz | STMicroelectronics

The STM8S903K3T6 is an 8-bit microcontroller from STMicroelectronics' STM8S access line, featuring 8 Kbytes of Flash program memory, 1 Kbyte of RAM, and 640 bytes of true data EEPROM. It operates at a clock speed of 16 MHz and is supplied in a 32-pin LQFP package, offering a compact solution for a wide range of embedded control applications. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit central processing unit (CPU), memory, and programmable input/output peripherals. It is the foundational building block in the hierarchy of embedded systems, sitting below 16-bit and 32-bit MCUs in processing power but offering lower cost, lower power consumption, and simpler programming. The STM8S903K3T6 belongs to the STM8S family, which is designed for general-purpose industrial and consumer applications, bridging the gap between simple 8-bit controllers and more complex 32-bit processors. Key features of the STM8S903K3T6 include a 10-bit analog-to-digital converter (ADC) with up to 7 multiplexed channels, two 16-bit timers, a UART for serial communication, an SPI interface, and an I2C interface. The device also integrates a true data EEPROM with read-while-write capability, enabling non-volatile data storage without external components. The supply voltage range of 2.95V to 5.5V allows operation from standard 3.3V and 5V power rails, making it versatile for mixed-voltage systems. The STM8S903K3T6 is built on ST's advanced 8-bit core architecture, which delivers up to 16 MIPS at 16 MHz, providing efficient execution of control algorithms. The integrated EEPROM and robust clock management, including an internal RC oscillator and optional external crystal, simplify system design by reducing external component count. The device also features low-power modes, including Active-Halt and Halt modes, to minimize energy consumption in battery-powered applications. Typical applications include industrial control systems, home automation, consumer electronics, and automotive body electronics. The combination of analog and digital peripherals, along with the wide operating voltage range, makes it suitable for sensor interfacing, motor control, and communication bridging tasks. The 32-pin LQFP package provides a good balance between I/O count and board space, supporting compact PCB layouts. When designing with the STM8S903K3T6, ensure proper decoupling of the VDD and VDDA pins with 100nF capacitors placed close to the device. The internal RC oscillator is accurate to ±1% over temperature, but for applications requiring precise timing, an external crystal can be connected to the OSC_IN and OSC_OUT pins. The device's EEPROM endurance is rated for 100,000 write/erase cycles, making it suitable for frequent data logging applications.

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STM8S903K3U6 - 16MHz 8-Bit MCU with 8KB Flash | ST
STM8S903K3U6

STM8S903K3U6 - 16MHz 8-Bit MCU with 8KB Flash | ST

The STMicroelectronics STM8S903K3U6 is an 8-bit STM8S microcontroller with a 16 MHz clock, 8 KB of Flash program memory, 1 KB of RAM, 640 bytes of true EEPROM, and a 10-bit ADC in a 32-pin UFQFPN package measuring 5 x 5 mm. It operates from 2.95 V to 5.5 V and provides 16 I/O ports, two timers, UART, SPI, and I2C interfaces for compact embedded-control designs. An 8-bit microcontroller is a compact embedded-processing component designed around a simple central processing unit, program memory, working memory, and integrated peripherals. The STM8S family belongs to the broader hierarchy of microcontrollers, embedded processors, and semiconductors. Its combination of integrated Flash, true EEPROM, analog conversion, and serial interfaces makes it useful for cost-sensitive appliance control, industrial sensing, compact instrumentation, and low-to-moderate-speed communication equipment. Key features include 8 KB of Flash program memory, 1 KB of RAM, and 640 bytes of integrated true data EEPROM. The device supports a 16 MHz maximum clock and includes a 10-bit analog-to-digital converter, two timers, one UART, SPI, and I2C. Its operating voltage of 2.95 V to 5.5 V supports both 3.3 V and 5 V systems, while a temperature range of -40°C to +85°C covers common industrial and commercial environments. The STM8S903K3/F3 access-line architecture emphasizes performance, robustness, and reduced system cost. Flash permits in-system program storage, true EEPROM retains calibration or configuration data without external memory, and the ADC provides an economical path for analog measurement. The 32-pin UFQFPN package also offers fine-pitch external connectivity for sensors, actuators, displays, and communication transceivers, although its 0.5 mm pitch requires careful PCB assembly and inspection. Typical applications include sensor nodes, appliance controllers, compact industrial interfaces, low-speed data loggers, and embedded modules requiring UART, SPI, or I2C connectivity. Designers can connect analog inputs to the 10-bit ADC, use the timers for periodic measurement or output generation, and retain operating parameters in EEPROM. A UART bridge or level translator can extend the device into RS-232 or RS-485 systems. The primary design consideration is PCB implementation. A 32-pin UFQFPN package requires a land pattern capable of 0.5 mm pitch routing, adequate solder paste coverage, and careful control of thermal and electrical conditions. Firmware should also verify the device-specific reset behavior, clock configuration, peripheral mapping, and ADC calibration sequence against the manufacturer documentation before production. This page consolidates verified manufacturer specifications, distributor availability, procurement information, interface guidance, and same-footprint replacement analysis. It is intended to provide engineering context beyond a basic distributor listing while clearly identifying data that requires confirmation from the manufacturer datasheet.

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