Overview
The STM8S207M8T3BTR is a high-performance 8-bit microcontroller from STMicroelectronics, part of the STM8S20xxx performance line. This microcontroller is designed to offer reduced system cost, enhanced performance, short development cycles, and product longevity. It features an advanced STM8 core with Harvard architecture and a 3-stage pipeline, ensuring high efficiency and robustness. The device is suitable for a wide range of applications due to its comprehensive set of peripherals and robust I/O design.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8 core with Harvard architecture and 3-stage pipeline |
| Maximum CPU Frequency | Up to 24 MHz, 0 wait states @ fCPU ≤ 16 MHz |
| Maximum MIPS | 20 MIPS @ 24 MHz |
| Program Memory | Up to 128 Kbytes Flash; data retention 20 years at 55 °C after 10 kcycles |
| Data Memory | 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 | Internal, user-trimmable 16 MHz RC, internal low power 128 kHz RC, external clock input |
| Interrupts | Nested interrupt controller with 32 interrupts, up to 37 external interrupts on 6 vectors |
| Timers | 2x 16-bit general purpose timers, advanced control timer, 8-bit basic timer with 8-bit prescaler |
| Communications Interfaces | High speed 1 Mbit/s active beCAN 2.0B, UART with LIN 2.1 compliant, SPI up to 10 Mbit/s, I²C 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 |
Key Features
- Advanced STM8 core with Harvard architecture and 3-stage pipeline
- High system integration with internal clock oscillators, watchdog, and brown-out reset
- Robust I/O design, immune against current injection
- Single wire interface module (SWIM) and debug module (DM) for development support
- 96-bit unique ID key for each device
- Low power modes: wait, active-halt, & halt; peripheral clocks switched off individually
- High-speed communication interfaces including CAN, UART, SPI, and I²C
- 10-bit ADC with up to 16 channels
- Independent watchdogs with a separate clock source
- Clock security system with clock monitor
Applications
The STM8S207M8T3BTR is versatile and can be used in a variety of applications, including:
- Industrial control systems
- Automotive systems (e.g., LIN master/slave modes)
- Consumer electronics requiring robust I/O and low power consumption
- Medical devices needing precise timing and reliable operation
- IoT devices requiring efficient communication interfaces
Q & A
- What is the maximum CPU frequency of the STM8S207M8T3BTR?
Up to 24 MHz, with 0 wait states at fCPU ≤ 16 MHz.
- How much program memory does the STM8S207M8T3BTR have?
Up to 128 Kbytes Flash.
- What is the endurance of the data EEPROM?
Up to 300 k write/erase cycles.
- What are the operating voltage ranges for this microcontroller?
2.95 to 5.5 V.
- Does the STM8S207M8T3BTR support low power modes?
Yes, it supports wait, active-halt, and halt low power modes.
- What communication interfaces are available on this microcontroller?
High speed CAN, UART with LIN 2.1 compliant, SPI up to 10 Mbit/s, and I²C up to 400 Kbit/s.
- How many I/Os are available on the 80-pin package?
Up to 68 I/Os, including 18 high sink outputs.
- Does the STM8S207M8T3BTR have a unique ID?
Yes, each device has a 96-bit unique ID key.
- What development tools are supported?
Single wire interface module (SWIM) and debug module (DM).
- Is the STM8S207M8T3BTR RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade.
