Item specifics
Description
The STM8S207RBT6 is a mainstream performance line 8-bit MCU from STMicroelectronics, classified as a high-density device in the STM8S20x family. Featuring a 24 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline, it delivers up to 20 MIPS (0 wait states at fCPU ≤ 16 MHz). It integrates 128 KB Flash, 6 KB RAM, and 2 KB true data EEPROM (endurance: 300k write/erase cycles — 3x the typical industry standard). On-chip peripherals include a 10-bit ADC (16 channels with analog watchdog), high-speed 1 Mbit/s beCAN 2.0B interface, 16-bit advanced control timer (4 CAPCOM channels, 3 complementary outputs with dead-time insertion), two 16-bit general-purpose timers (total 5 CAPCOM channels), 8-bit basic timer, auto wakeup timer, dual watchdogs, and two UARTs (one with LIN 2.1 master/slave and automatic resynchronization), SPI (up to 10 Mbit/s), and I2C (up to 400 Kbit/s) interfaces. Packaged in LQFP-64 (10×10×1.4 mm) with 52 I/Os and highly robust I/O design immune against current injection, it operates from 2.95 V to 5.5 V over -40 °C to 85 °C. Ideal for industrial automation, automotive control, motor drive, CAN bus communication, and applications demanding high performance and reliability.
Advanced Core: 24 MHz STM8 core, Harvard architecture, 3-stage pipeline, extended instruction set, up to 20 MIPS @ 24 MHz, up to 37 external interrupts, 32 nested interrupts Memory: 128 KB Flash (20-year data retention at 55 °C after 10k cycles), 6 KB RAM, 2 KB true data EEPROM (300k write/erase cycles) 10-bit ADC: 16 multiplexed channels, ±1 LSB accuracy, scan mode and analog watchdog CAN 2.0B Bus: High-speed 1 Mbit/s beCAN 2.0B interface for industrial fieldbus communication Advanced Control Timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization General-Purpose Timers: 2x 16-bit, total 5 CAPCOM channels (IC/OC/PWM); 8-bit basic timer with 8-bit prescaler Auto Wakeup Timer: Wakeup from Active-halt mode Dual Watchdogs: Window watchdog + Independent watchdog with separate clock source Communication Interfaces: 2x UART (LIN 2.1 master/slave/auto resync + clock output), SPI up to 10 Mbit/s, I2C up to 400 Kbit/s Clock System: 4 master clock sources (external clock, low-power crystal oscillator, user-trimmable 16 MHz RC, low-power 128 kHz RC), clock security system with monitor Low-Power Modes: Wait, Active-halt, Halt; individually switchable peripheral clocks High Reliability: Low-consumption POR/PDR, highly robust I/O design immune against current injection, 96-bit unique ID per device LQFP-64 Package: 10×10×1.4 mm, 52 I/Os Wide Operating Range: 2.95 V to 5.5 V, -40 °C to 85 °C Development Support: Embedded SWIM single-wire interface for fast on-chip programming and non-intrusive debugging
Industrial Automation: PLCs, frequency inverters, sensor transmitters, RS-485/CAN communication nodes Automotive Electronics: Body control modules, window/light control, automotive sensor nodes (non-safety-critical), CAN bus modules Motor Control: BLDC motors, servo motors, fans, pumps; advanced timer with complementary PWM and dead-time LED Lighting: Dimming control, RGB strips, switching power supplies; direct PWM drive Battery Management: Protection boards, fuel gauges, charge management; low-power modes reduce standby consumption Smart Metering: Electricity, water, gas meters; integrated EEPROM for calibration parameters Home Appliances: Induction/microwave oven panels, small appliance main controllers Consumer Electronics: High-performance remote controls, electric toothbrushes, electronic toys; 64-pin solution
Integrated CAN Bus: Built-in high-speed 1 Mbit/s beCAN 2.0B interface eliminates external CAN controller/transceiver ICs, reducing system BOM cost 300k High-Endurance EEPROM: 2 KB true data EEPROM with 300k write/erase cycles (3x standard endurance), reliably storing calibration parameters and operation logs 24 MHz High Performance: 24 MHz STM8 core delivering up to 20 MIPS (0 wait states at fCPU ≤ 16 MHz) for complex control algorithms and real-time communication Dual UART + LIN 2.1: Two UARTs including LIN 2.1 master/slave with automatic resynchronization, ideal for industrial communication and automotive bus systems High-Speed SPI: SPI interface up to 10 Mbit/s (2.5x faster than Value Line), meeting high-speed peripheral communication needs Advanced Timer for Motor Control: 4 CAPCOM channels, 3 complementary outputs with dead-time insertion, driving half-bridge/full-bridge circuits and motor control 128 KB Large Memory: 128 KB Flash + 6 KB RAM + 2 KB EEPROM for complex protocol stacks (e.g., CANopen) and algorithms, one of the largest Flash capacities in the S207 family Robust & Reliable: 4 clock sources + clock security system, low-consumption POR/PDR, independent watchdog with separate clock source Mature Ecosystem: STM8 classic architecture, rich documentation, low-cost SWIM debug, shortening development cycles
Years of experience in the electronics industry. Trusted by global customers.
Massive In-Stock Inventory – Ready to ship promptly
BOM Matching Service – One-stop solution, save time
PCBA Customization – Professional engineering team creates tailor-made solutions based on your needs
Cost-Effective & Efficient – Better channel, better cost
A dedicated team makes your procurement smoother.
Contact us for BOM quotes or PCBA inquiries
FAQ:
What is the STM8S207RBT6 and its key specifications?
The STM8S207RBT6 is a high‑performance 8‑bit microcontroller from STMicroelectronics based on the STM8 core at up to 24 MHz. It provides 128 KB of Flash, 6 KB of SRAM, and 2 KB of true EEPROM. Key peripherals include a 10‑bit ADC with up to 16 channels, a motor‑control timer (TIM1) with 3 complementary PWM pairs, a full CAN 2.0B interface, and USART/SPI/I2C. Housed in an LQFP‑64 package, it offers 52 I/O pins and operates from ‑40 °C to +85 °C.
What is the difference between STM8S207RBT6 and STM8S207RBT6C?
Electrically and functionally they are identical – same 128 KB Flash, 6 KB SRAM, CAN, TIM1, and LQFP‑64 package. The “C” suffix typically indicates a specific temperature range or a commercial grade, but both are rated for ‑40 °C to +85 °C. In practice, the STM8S207RBT6 and STM8S207RBT6C can be used interchangeably with no hardware or firmware changes.
Does the STM8S207RBT6 have a CAN bus interface?
Yes, it integrates a full beCAN 2.0B active controller supporting both standard 11‑bit and extended 29‑bit identifiers. It can communicate at up to 1 Mbit/s and includes 3 transmit mailboxes and 2 receive FIFOs. This makes it ideal for industrial and automotive CAN networks.
Can the STM8S207RBT6 drive a brushless DC (BLDC) motor directly?
Yes. The advanced timer TIM1 provides 3 complementary PWM pairs with programmable dead‑time insertion and a break input. This allows direct control of a three‑phase inverter or a BLDC motor half‑bridge without external dead‑time logic. It is widely used in fans, pumps, power tools, and home appliances.
What are the ADC specifications and how many analog channels are available on the STM8S207RBT6?
The integrated 10‑bit successive‑approximation ADC supports up to 16 external analog input channels in the LQFP‑64 package. It can also measure an internal voltage reference and can be triggered by the motor‑control timer for synchronized current sensing.
How much memory does the STM8S207RBT6 have?
It features 128 KB of Flash program memory, 6 KB of SRAM, and 2 KB of true data EEPROM. This large memory capacity for an 8‑bit MCU comfortably handles complex applications, CAN stacks, and motor‑control algorithms.
What package and I/O count does the STM8S207RBT6 use?
The MCU comes in an LQFP‑64 package (10 mm × 10 mm, 0.5 mm lead pitch) and provides 52 general‑purpose I/O pins. The generous I/O count suits sensor‑intensive and connectivity‑rich designs.
Can the STM8S207RBT6 be powered directly from 5 V?
Yes, it is a true 5 V‑capable device. The operating voltage range is 2.95 V to 5.5 V, so it can be powered directly from a standard 5 V rail, USB, or a simple regulator. All I/Os are 5 V tolerant.
How to program and debug the STM8S207RBT6?
Programming and debugging use the single‑wire SWIM interface. A low‑cost ST‑LINK/V2 is the standard tool. Firmware can be developed with STVD + Cosmic C or the open‑source SDCC compiler. ST provides peripheral libraries to speed up development.
What are the typical applications of the STM8S207RBT6?
It is popular in industrial automation (CAN sensor/actuator nodes, motor drives), automotive body electronics, home appliances, power tools, and building automation. The combination of CAN, motor‑control timer, and large Flash makes it a reliable choice for distributed control systems.