Overview
The STM8S103F3U6ATR is a member of the STM8S access line of 8-bit microcontrollers from STMicroelectronics. This microcontroller is designed to offer a balance of performance, robustness, and cost-effectiveness. 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 integrated true data EEPROM, multiple timers, and various communication interfaces, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Frequency | 16 MHz |
| Program Memory | 8 Kbyte Flash; data retention 20 years at 55 °C after 10 kcycle |
| Data Memory | 640 byte true data EEPROM; endurance 300 kcycle |
| RAM | 1 Kbyte |
| Operating Voltage | 2.95 to 5.5 V |
| Clock Sources | Low power crystal resonator oscillator, External clock input, Internal, user-trimmable 16 MHz RC, Internal low-power 128 kHz RC |
| Timers | Advanced control timer (16-bit), General purpose timer (16-bit), Basic timer (8-bit), Auto wake-up timer, Window and independent watchdog timers |
| 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, scan mode and analog watchdog |
| I/Os | Up to 28 I/Os on a 32-pin package including 21 high sink outputs |
| Package | UFQFPN20 3x3x0.6 P0.5 NO EXP PAD |
Key Features
- Core: 16 MHz advanced 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, low-power modes, and clock security system.
- Timers: Advanced control timer, general purpose timer, basic timer, auto wake-up timer, window and independent watchdog timers.
- Communication Interfaces: UART with clock output, SPI up to 8 Mbit/s, I²C up to 400 kbit/s.
- ADC: 10-bit ADC with up to 5 multiplexed channels, scan mode, and analog watchdog.
- I/Os: Up to 28 I/Os including 21 high sink outputs, highly robust I/O design immune against current injection.
- Unique ID: 96-bit unique key for each device.
Applications
The STM8S103F3U6ATR is versatile and can be used in various applications such as:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Smart home devices
- IoT devices
Its integrated features and low power consumption make it suitable for a wide range of embedded systems.
Q & A
- What is the core frequency of the STM8S103F3U6ATR?
The core frequency is 16 MHz.
- How much program memory does the STM8S103F3U6ATR have?
The device has 8 Kbyte Flash program memory.
- What is the endurance of the data EEPROM?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What are the available clock sources for the STM8S103F3U6ATR?
The available clock sources include low power crystal resonator oscillator, external clock input, internal user-trimmable 16 MHz RC, and internal low-power 128 kHz RC.
- Does the STM8S103F3U6ATR support low-power modes?
Yes, it supports low-power modes such as wait, active-halt, and halt.
- What communication interfaces are available on the STM8S103F3U6ATR?
The device features UART, SPI up to 8 Mbit/s, and I²C up to 400 kbit/s.
- What is the resolution of the ADC on the STM8S103F3U6ATR?
The ADC is a 10-bit ADC with ±1 LSB accuracy.
- How many I/Os are available on the STM8S103F3U6ATR?
Up to 28 I/Os are available, including 21 high sink outputs.
- Does the STM8S103F3U6ATR have a unique identifier?
Yes, each device has a 96-bit unique key.
- What is the operating voltage range of the STM8S103F3U6ATR?
The operating voltage range is from 2.95 to 5.5 V.
