Overview
The STM8S207SBT3C is a high-performance 8-bit microcontroller from STMicroelectronics, part of the STM8S20xxx performance line. This microcontroller is designed to offer enhanced features and core performance, making it suitable for medium- to higher-end applications in industrial, consumer, and large-volume segments. It is built on ST’s proprietary 24 MHz core and features a Harvard architecture with a 3-stage pipeline, ensuring robust performance and efficiency.
The device provides a range of benefits including reduced system cost, performance robustness, short development cycles, and product longevity. It integrates various peripherals and features that make it versatile for a wide range of applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Max fCPU: up to 24 MHz, 0 wait states @ fCPU ≤ 16 MHz Advanced STM8 core with Harvard architecture and 3-stage pipeline Extended instruction set Max 20 MIPS @ 24 MHz |
| Memories | Program: up to 128 Kbytes Flash; data retention 20 years at 55 °C after 10 kcycles Data: up to 2 Kbytes true data EEPROM; endurance 300 kcycles RAM: up to 6 Kbytes |
| Operating Voltage | 2.95 to 5.5 V |
| Clock Management | Low power crystal resonator oscillator External clock input Internal, user-trimmable 16 MHz RC Internal low power 128 kHz RC Clock security system with clock monitor |
| Power Modes | Wait, active-halt, & halt low power modes Peripheral clocks switched off individually Permanently active, low consumption power-on and power-down reset |
| Interrupt Management | Nested interrupt controller with 32 interrupts Up to 37 external interrupts on 6 vectors |
| Timers | 2x 16-bit general purpose timers, with 2+3 CAPCOM channels (IC, OC or PWM) Advanced control timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization 8-bit basic timer with 8-bit prescaler Auto wakeup timer Window watchdog, independent watchdog |
| Communications Interfaces | High speed 1 Mbit/s active beCAN 2.0B UART with clock output for synchronous operation - LIN master mode UART with LIN 2.1 compliant, master/slave modes and automatic resynchronization SPI interface up to 10 Mbit/s I²C interface up to 400 Kbit/s |
| ADC | 10-bit ADC with up to 16 channels |
| I/Os | Up to 68 I/Os on an 80-pin package including 18 high sink outputs Highly robust I/O design, immune against current injection |
| Package | LQFP 44 10x10x1.4 mm |
Key Features
- Advanced STM8 core with Harvard architecture and 3-stage pipeline, ensuring high performance and efficiency.
- Integrated true data EEPROM for up to 300 k write/erase cycles, reducing system cost.
- High system integration level with internal clock oscillators, watchdog, and brown-out reset.
- Robust I/O design, immune against current injection, with up to 68 I/Os on an 80-pin package.
- Multiple communication interfaces including CAN, UART, SPI, and I²C.
- 10-bit ADC with up to 16 channels and various timer options.
- Single wire interface module (SWIM) and debug module (DM) for development support.
- 96-bit unique ID key for each device.
Applications
The STM8S207SBT3C microcontroller is suitable for a wide range of applications, particularly in medium- to higher-end segments. These include:
- Industrial automation and control systems.
- Consumer electronics requiring robust performance and low power consumption.
- Automotive systems, especially those requiring CAN and LIN interfaces.
- Medical devices that need reliable and efficient microcontrollers.
- IoT devices that require multiple communication interfaces and robust I/O capabilities.
Q & A
- What is the maximum CPU frequency of the STM8S207SBT3C?
The maximum CPU frequency is up to 24 MHz, with 0 wait states at frequencies up to 16 MHz.
- What types of memory does the STM8S207SBT3C have?
The device has up to 128 Kbytes of Flash program memory, up to 2 Kbytes of true data EEPROM, and up to 6 Kbytes of RAM.
- What is the operating voltage range of the STM8S207SBT3C?
The operating voltage range is from 2.95 V to 5.5 V.
- What communication interfaces are available on the STM8S207SBT3C?
The device includes high speed CAN, UART, SPI, and I²C interfaces.
- How many I/Os does the STM8S207SBT3C have?
It has up to 68 I/Os on an 80-pin package, including 18 high sink outputs.
- What is the package type of the STM8S207SBT3C?
The package type is LQFP 44 10x10x1.4 mm.
- Does the STM8S207SBT3C support low power modes?
Yes, it supports wait, active-halt, and halt low power modes, along with individually switched-off peripheral clocks.
- What kind of timers are available on the STM8S207SBT3C?
The device includes 2x 16-bit general purpose timers, an advanced control timer, and an 8-bit basic timer with an 8-bit prescaler.
- Is the STM8S207SBT3C RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade.
- What development tools are available for the STM8S207SBT3C?
The device supports a single wire interface module (SWIM) and debug module (DM), along with full documentation and a wide choice of development tools.
