Overview
The STM8S208RBT6 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 STM8S208RBT6 is designed to reduce system cost, enhance performance, and ensure product longevity. It features an advanced STM8 core with Harvard architecture and a 3-stage pipeline, providing up to 20 MIPS at a 24 MHz CPU clock frequency. The device also includes integrated true data EEPROM, internal clock oscillators, watchdog, and brown-out reset, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Advanced STM8 core with Harvard architecture and 3-stage pipeline |
| Max CPU Frequency | Up to 24 MHz, 0 wait states @ fCPU ≤ 16 MHz |
| Performance | 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-64 (10x10 mm) |
| Operating Temperature | -40 °C to 125 °C |
| Communications Interfaces | High speed 1 Mbit/s active beCAN 2.0B, UART, SPI, I²C |
| Timers | 2x 16-bit general purpose timers, advanced control timer, 8-bit basic timer, auto wakeup timer |
| ADC | 10-bit ADC with up to 16 channels |
| I/Os | Up to 68 I/Os including 18 high sink outputs |
Key Features
- Advanced Core: Features an advanced STM8 core with Harvard architecture and a 3-stage pipeline, providing up to 20 MIPS at 24 MHz CPU clock frequency.
- Memory: Up to 128 Kbytes Flash program memory, up to 2 Kbytes true data EEPROM, and up to 6 Kbytes RAM.
- Clock and Supply Management: Includes low power crystal resonator oscillator, external clock input, internal user-trimmable 16 MHz RC, and internal low power 128 kHz RC.
- Interrupt Management: Nested interrupt controller with 32 interrupts and up to 37 external interrupts on 6 vectors.
- Timers and Watchdogs: 2x 16-bit general purpose timers, advanced control timer, 8-bit basic timer, auto wakeup timer, window watchdog, and independent watchdog.
- Communications Interfaces: 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 and I/Os: 10-bit ADC with up to 16 channels and up to 68 I/Os including 18 high sink outputs.
- Development Support: Single wire interface module (SWIM) and debug module (DM), 96-bit unique ID key for each device.
Applications
The STM8S208RBT6 is versatile and can be used in a variety of applications, including:
- Industrial Control Systems: Due to its robust I/O design and multiple communication interfaces, it is suitable for industrial automation and control systems.
- Automotive Systems: The device's compliance with LIN 2.1 and CAN 2.0B makes it a good fit for automotive applications.
- Consumer Electronics: Its low power modes and high performance make it suitable for consumer electronics requiring efficient power management.
- Medical Devices: The device's reliability and advanced features can be utilized in medical devices that require precise control and data processing.
Q & A
- What is the maximum CPU frequency of the STM8S208RBT6?
Up to 24 MHz, with 0 wait states at fCPU ≤ 16 MHz.
- How much Flash program memory does the STM8S208RBT6 have?
Up to 128 Kbytes.
- What is the endurance of the true data EEPROM in the STM8S208RBT6?
Up to 300 k write/erase cycles.
- What are the operating voltage ranges for the STM8S208RBT6?
2.95 to 5.5 V.
- What communication interfaces are available on the STM8S208RBT6?
High speed 1 Mbit/s active beCAN 2.0B, UART, SPI, and I²C.
- How many I/Os does the STM8S208RBT6 have?
Up to 68 I/Os including 18 high sink outputs.
- What is the resolution of the ADC in the STM8S208RBT6?
10-bit ADC with up to 16 channels.
- Does the STM8S208RBT6 support low power modes?
- What development tools are available for the STM8S208RBT6?
- What is the operating temperature range for the STM8S208RBT6?
