Overview
The STM8S207R8T3 is a high-performance 8-bit microcontroller from STMicroelectronics, part of the STM8S20xxx family. These microcontrollers are known for their high-density features, offering from 32 to 128 Kbytes of Flash program memory. The STM8S207R8T3 is designed to reduce system cost, enhance performance, shorten development cycles, and ensure product longevity.
Key benefits include integrated true data EEPROM, high system integration with internal clock oscillators, watchdog, and brown-out reset. The device operates at a CPU clock frequency of up to 24 MHz, providing 20 MIPS and featuring an advanced STM8 core with Harvard architecture and a 3-stage pipeline.
Key Specifications
| Specification | Details |
|---|---|
| Core | Advanced STM8 core with Harvard architecture and 3-stage pipeline, up to 24 MHz CPU clock frequency, 20 MIPS |
| Memories | Program: up to 128 Kbytes Flash; Data: up to 2 Kbytes true data EEPROM; RAM: up to 6 Kbytes |
| Supply Voltage | 2.95 V 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 |
| Interrupt Management | Nested interrupt controller with 32 interrupts, up to 37 external interrupts on 6 vectors |
| Timers | 2x 16-bit general purpose timers, advanced control timer: 16-bit, 4 CAPCOM channels, 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 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 |
| Package | LQFP 64 10x10x1.4 mm |
| Operating Temperature | -40°C to 125°C |
Key Features
- Advanced Core: Features an STM8 core with Harvard architecture and a 3-stage pipeline, providing up to 20 MIPS at 24 MHz.
- Memory: Includes up to 128 Kbytes of Flash program memory, up to 2 Kbytes of true data EEPROM, and up to 6 Kbytes of RAM.
- Clock Management: Offers a low power crystal resonator oscillator, external clock input, internal user-trimmable 16 MHz RC, and internal low power 128 kHz RC.
- Interrupt Management: Includes a nested interrupt controller with 32 interrupts and up to 37 external interrupts on 6 vectors.
- Timers: Features 2x 16-bit general purpose timers, an advanced control timer, and an 8-bit basic timer with an 8-bit prescaler.
- Communications Interfaces: Supports high speed 1 Mbit/s active beCAN 2.0B, UART with LIN 2.1 compliant, SPI interface up to 10 Mbit/s, and I2C interface up to 400 Kbit/s.
- ADC: Includes a 10-bit ADC with up to 16 channels.
- I/Os: Provides up to 68 I/Os on an 80-pin package, including 18 high sink outputs, with a highly robust I/O design immune against current injection.
- Development Support: Offers single wire interface module (SWIM) and debug module (DM), along with a 96-bit unique ID key for each device.
Applications
The STM8S207R8T3 is suitable for a wide range of applications due to its robust features and high performance. Some common applications include:
- Industrial Automation: For control and monitoring systems in industrial environments.
- Consumer Electronics: For devices requiring high performance and low power consumption.
- Automotive Systems: For various automotive applications, including control units and sensors.
- Medical Devices: For medical equipment that requires precise control and monitoring.
- IoT Devices: For Internet of Things applications that need efficient processing and communication capabilities.
Q & A
- What is the maximum CPU clock frequency of the STM8S207R8T3?
The maximum CPU clock frequency is up to 24 MHz.
- How much Flash program memory does the STM8S207R8T3 have?
The device has up to 128 Kbytes of Flash program memory.
- What is the endurance of the data EEPROM in the STM8S207R8T3?
The data EEPROM has an endurance of up to 300 k write/erase cycles.
- What are the communication interfaces available on the STM8S207R8T3?
The device supports high speed 1 Mbit/s active beCAN 2.0B, UART with LIN 2.1 compliant, SPI interface up to 10 Mbit/s, and I2C interface up to 400 Kbit/s.
- How many I/Os does the STM8S207R8T3 have?
The device has up to 68 I/Os on an 80-pin package, including 18 high sink outputs.
- What is the operating voltage range of the STM8S207R8T3?
The operating voltage range is from 2.95 V to 5.5 V.
- Does the STM8S207R8T3 support low power modes?
Yes, it supports wait, active-halt, and halt low power modes, along with peripheral clocks switched off individually.
- What kind of timers are available on the STM8S207R8T3?
The device features 2x 16-bit general purpose timers, an advanced control timer, and an 8-bit basic timer with an 8-bit prescaler.
- Is the STM8S207R8T3 RoHS compliant?
Yes, the device is RoHS compliant with an Ecopack2 grade.
- What development tools are available for the STM8S207R8T3?
The device supports single wire interface module (SWIM) and debug module (DM), along with a wide choice of development tools and full documentation.
