Overview
The STM8S103F3M3 is a member of the STM8S access line 8-bit microcontrollers from STMicroelectronics. This microcontroller is designed to offer a balance of performance, robustness, and reduced system cost. It features an advanced 16 MHz STM8 core with Harvard architecture and a 3-stage pipeline, along with an extended instruction set. The device includes 8 Kbyte Flash program memory, 640 byte true data EEPROM, and 1 Kbyte of RAM. The integrated true data EEPROM supports up to 300 k write/erase cycles, contributing to the overall system reliability and cost-effectiveness.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Frequency | 16 MHz |
| Program Memory | 8 Kbyte Flash |
| Data Memory | 640 byte true data EEPROM |
| RAM | 1 Kbyte |
| Operating Voltage | 2.95 to 5.5 V |
| Clock Sources | 4 master clock sources (including internal 16 MHz RC and 128 kHz RC) |
| Interrupts | Nested interrupt controller with 32 interrupts, up to 27 external interrupts on 6 vectors |
| Timers | Advanced control timer (16-bit), general purpose timer (16-bit), basic timer (8-bit), auto wake-up timer |
| Communication Interfaces | UART, SPI (up to 8 Mbit/s), I2C (up to 400 kbit/s) |
| ADC | 10-bit, ±1 LSB ADC with up to 5 multiplexed channels |
| I/Os | Up to 28 I/Os on a 32-pin package, including 21 high sink outputs |
| Package | SO-20, TSSOP-20, UFQFPN20 |
| Operating Temperature | -40°C to 125°C |
Key Features
- Advanced Core: 16 MHz STM8 core with Harvard architecture and 3-stage pipeline, extended instruction set.
- Memories: 8 Kbyte Flash program memory, 640 byte true data EEPROM, 1 Kbyte RAM.
- Clock and Supply Management: Flexible clock control with 4 master clock sources, internal 16 MHz RC and 128 kHz RC oscillators.
- Power Management: Low-power modes (wait, active-halt, halt), switch-off peripheral clocks individually.
- Interrupt Management: Nested interrupt controller with 32 interrupts, up to 27 external interrupts on 6 vectors.
- Timers: Advanced control timer, general purpose timer, basic timer, auto wake-up timer, window watchdog, and independent watchdog timers.
- Communication Interfaces: UART with SmartCard, IrDA, LIN master mode, SPI up to 8 Mbit/s, I2C up to 400 kbit/s.
- ADC: 10-bit, ±1 LSB ADC with up to 5 multiplexed channels, scan mode, and analog watchdog.
- I/Os: Up to 28 I/Os on a 32-pin package, including 21 high sink outputs, highly robust I/O design.
- Unique ID: 96-bit unique key for each device.
Applications
The STM8S103F3M3 microcontroller is suitable for a variety of applications that require a balance of performance and cost-effectiveness. These include:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Smart home devices
- IoT devices
Its integrated features such as the advanced core, robust I/Os, and multiple communication interfaces make it a versatile choice for various embedded system applications.
Q & A
- What is the core frequency of the STM8S103F3M3 microcontroller?
The core frequency is 16 MHz.
- How much program memory does the STM8S103F3M3 have?
The device has 8 Kbyte Flash program memory.
- What is the endurance of the data EEPROM in the STM8S103F3M3?
The data EEPROM has an endurance of up to 300 k write/erase cycles.
- What are the operating voltage ranges for the STM8S103F3M3?
The operating voltage ranges from 2.95 to 5.5 V.
- What types of timers are available in the STM8S103F3M3?
The device includes an advanced control timer, a general purpose timer, a basic timer, and an auto wake-up timer.
- What communication interfaces are supported by the STM8S103F3M3?
The device supports UART, SPI (up to 8 Mbit/s), and I2C (up to 400 kbit/s) interfaces.
- What is the resolution of the ADC in the STM8S103F3M3?
The ADC is a 10-bit, ±1 LSB ADC with up to 5 multiplexed channels.
- How many I/Os are available on the STM8S103F3M3?
Up to 28 I/Os are available on a 32-pin package, including 21 high sink outputs.
- What is the operating temperature range for the STM8S103F3M3?
The operating temperature range is from -40°C to 125°C.
- Does the STM8S103F3M3 have a unique identifier?
Yes, each device has a 96-bit unique key.
