Overview
The STM8S208MBT6B is a high-density 8-bit microcontroller from STMicroelectronics, part of the STM8S20xxx performance line. These microcontrollers are known for their robust performance, reduced system cost, short development cycles, and product longevity. The STM8S208MBT6B features an advanced STM8 core with Harvard architecture and a 3-stage pipeline, offering up to 24 MHz CPU clock frequency and 20 MIPS performance. It includes integrated true data EEPROM, internal clock oscillators, watchdog, and brown-out reset, making it a versatile choice for various applications.
Key Specifications
| Parameter | Description |
|---|---|
| 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 80 14x14x1.4 mm |
| Temperature Range | -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 Core: Harvard architecture and 3-stage pipeline for enhanced performance.
- Memory: Up to 128 Kbytes Flash program memory, up to 2 Kbytes true data EEPROM, and up to 6 Kbytes RAM.
- Clock Management: Internal, user-trimmable 16 MHz RC oscillator, internal low power 128 kHz RC oscillator, and clock security system with clock monitor.
- Low Power Modes: Wait, active-halt, and halt low power modes; peripheral clocks switched off individually.
- Interrupt Management: Nested interrupt controller with 32 interrupts and up to 37 external interrupts on 6 vectors.
- Timers: 2x 16-bit general purpose timers, advanced control timer, 8-bit basic timer, and 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, and 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 with highly robust I/O design.
- Development Support: Single wire interface module (SWIM) and debug module (DM), 96-bit unique ID key for each device.
Applications
The STM8S208MBT6B is suitable for a wide range of applications due to its robust features and versatile interfaces. Some common applications include:
- Industrial Control Systems: Utilizing its advanced timers, ADC, and communication interfaces for precise control and monitoring.
- Automotive Systems: Leveraging its LIN and CAN interfaces for vehicle networking and control.
- Consumer Electronics: Employing its low power modes and robust I/O design for battery-powered devices.
- Medical Devices: Using its precise ADC and reliable interrupt management for critical medical applications.
- Smart Home Devices: Integrating its communication interfaces like SPI, I²C, and UART for smart home automation.
Q & A
- What is the maximum CPU frequency of the STM8S208MBT6B?
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 STM8S208MBT6B have?
The STM8S208MBT6B has up to 128 Kbytes of Flash program memory.
- What is the endurance of the data EEPROM in the STM8S208MBT6B?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What are the operating voltage ranges for the STM8S208MBT6B?
The operating voltage range is from 2.95 V to 5.5 V.
- What communication interfaces are available on the STM8S208MBT6B?
The microcontroller features high speed 1 Mbit/s active beCAN 2.0B, 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 STM8S208MBT6B?
Up to 68 I/Os are available on an 80-pin package, including 18 high sink outputs.
- What is the purpose of the clock security system in the STM8S208MBT6B?
The clock security system includes a clock monitor to ensure stable and secure clock operation.
- Does the STM8S208MBT6B support low power modes?
Yes, it supports wait, active-halt, and halt low power modes, with peripheral clocks switched off individually.
- What development tools are available for the STM8S208MBT6B?
Single wire interface module (SWIM) and debug module (DM) are available for development support.
- Is the STM8S208MBT6B RoHS compliant?
Yes, the STM8S208MBT6B is RoHS compliant with an Ecopack2 grade.
