Overview
The STM8S207CBT3 is a high-performance 8-bit microcontroller from STMicroelectronics, part of the STM8S20xxx family. This microcontroller is known for its high-density design, offering up to 128 Kbytes of Flash program memory. It is designed to reduce system costs through integrated features such as true data EEPROM, internal clock oscillators, watchdog, and brown-out reset. The device ensures robust performance with a 20 MIPS CPU at 24 MHz and features enhanced I/O, independent watchdogs, and a clock security system. The STM8S207CBT3 is ideal for applications requiring short development cycles and product longevity, thanks to its scalable architecture and comprehensive development tools.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8 core with Harvard architecture and 3-stage pipeline |
| Max CPU Frequency | Up to 24 MHz, 0 wait states @ fCPU ≤ 16 MHz |
| MIPS | Up to 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 |
| Package | LQFP 48 7x7x1.4 mm |
| Operating Temperature | -40 °C to 125 °C |
| 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, auto wakeup timer |
| 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, ensuring high performance and efficiency.
- Integrated true data EEPROM with up to 300 k write/erase cycles, reducing system cost and enhancing reliability.
- Robust I/O design, immune against current injection, and up to 68 I/Os on an 80-pin package.
- Multiple timers including 16-bit general purpose timers, advanced control timer, and 8-bit basic timer.
- High-speed communication interfaces such as CAN 2.0B, UART with LIN 2.1 compliance, SPI, and I²C.
- 10-bit ADC with up to 16 channels for precise analog-to-digital conversion.
- Low power modes including wait, active-halt, and halt modes, and peripheral clocks switched off individually.
- Single wire interface module (SWIM) and debug module (DM) for easy development and debugging.
- 96-bit unique ID key for each device, enhancing security and traceability.
Applications
The STM8S207CBT3 is versatile and can be used in a variety of applications, including:
- Industrial control systems: Due to its robust I/O and high-performance capabilities, it is suitable for industrial automation and control.
- Automotive systems: The microcontroller's compliance with automotive standards and its ability to handle high temperatures make it a good fit for automotive applications.
- Consumer electronics: Its low power consumption and high integration level make it suitable for battery-powered devices and other consumer electronics.
- Medical devices: The precision of the 10-bit ADC and the reliability of the device make it a candidate for medical device applications.
- IoT devices: With its advanced communication interfaces and low power modes, it is well-suited for Internet of Things (IoT) applications.
Q & A
- What is the maximum CPU frequency of the STM8S207CBT3?
The maximum CPU frequency is up to 24 MHz, with 0 wait states at frequencies up to 16 MHz.
- How much Flash program memory does the STM8S207CBT3 have?
The STM8S207CBT3 has up to 128 Kbytes of Flash program memory.
- What is the endurance of the data EEPROM in the STM8S207CBT3?
The data EEPROM has an endurance of up to 300 k write/erase cycles.
- What are the operating voltage and temperature ranges of the STM8S207CBT3?
The operating voltage range is 2.95 to 5.5 V, and the operating temperature range is -40 °C to 125 °C.
- What communication interfaces are available on the STM8S207CBT3?
The microcontroller features high-speed CAN 2.0B, UART with LIN 2.1 compliance, SPI up to 10 Mbit/s, and I²C up to 400 Kbit/s.
- How many I/Os does the STM8S207CBT3 have?
The device has up to 68 I/Os on an 80-pin package, including 18 high sink outputs.
- What are the low power modes available on the STM8S207CBT3?
The device supports wait, active-halt, and halt low power modes, with peripheral clocks switched off individually.
- Does the STM8S207CBT3 have any unique identification features?
Yes, each device has a 96-bit unique ID key.
- What development tools are available for the STM8S207CBT3?
The device supports single wire interface module (SWIM) and debug module (DM) for development and debugging.
- Is the STM8S207CBT3 RoHS compliant?
Yes, the STM8S207CBT3 is RoHS compliant with an Ecopack2 grade.
