Overview
The STM8S103F3U3TR is an 8-bit microcontroller from STMicroelectronics, part of the STM8S access line family. This microcontroller is designed to offer a balance of performance, robustness, and reduced system cost. It features a 16 MHz advanced STM8 core with Harvard architecture and a 3-stage pipeline, along with an extended instruction set. The device includes integrated true data EEPROM, internal clock oscillators, watchdogs, and a high level of system integration, making it suitable for a variety of applications requiring reliability and efficiency.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline |
| 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 | Flexible clock control, 4 master clock sources (including internal, user-trimmable 16 MHz RC and internal low-power 128 kHz RC) |
| Interrupts | Nested interrupt controller with 32 interrupts; up to 27 external interrupts on 6 vectors |
| Timers | Advanced control timer (16-bit, 4 CAPCOM channels), 16-bit general purpose timer, 8-bit basic timer, auto wake-up timer, window watchdog, and independent watchdog timers |
| Communication Interfaces | UART with clock output, SPI interface up to 8 Mbit/s, I2C interface 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 |
| Package | UFQFPN20 3X3X0.6 P0.5 NO EXP PAD |
| Operating Temperature | -40 °C to 125 °C |
Key Features
- Advanced 16 MHz STM8 core with Harvard architecture and 3-stage pipeline
- Integrated true data EEPROM with 300 k write/erase cycles
- Flexible clock control with multiple clock sources
- Low-power modes (wait, active-halt, halt) and switch-off peripheral clocks individually
- Nested interrupt controller with up to 27 external interrupts
- Advanced timers and watchdogs, including window watchdog and independent watchdog timers
- UART, SPI, and I2C communication interfaces
- 10-bit ADC with up to 5 multiplexed channels and analog watchdog
- Highly robust I/O design immune against current injection
- 96-bit unique key for each device
Applications
The STM8S103F3U3TR microcontroller is suitable for a wide range of applications, including:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Smart home devices
- IoT devices requiring low power consumption and robust performance
Q & A
- What is the core frequency of the STM8S103F3U3TR microcontroller?
The core frequency is 16 MHz.
- How much program memory does the STM8S103F3U3TR have?
The device has 8 Kbyte of Flash program memory.
- What is the endurance of the data EEPROM in the STM8S103F3U3TR?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What are the operating voltage ranges for the STM8S103F3U3TR?
The operating voltage ranges from 2.95 to 5.5 V.
- Does the STM8S103F3U3TR support low-power modes?
Yes, it supports low-power modes such as wait, active-halt, and halt.
- What communication interfaces are available on the STM8S103F3U3TR?
The device includes UART, SPI, and I2C communication interfaces.
- What is the resolution of the ADC in the STM8S103F3U3TR?
The ADC is 10-bit with ±1 LSB accuracy.
- How many I/Os are available on the STM8S103F3U3TR?
Up to 28 I/Os are available, including 21 high sink outputs.
- What is the package type of the STM8S103F3U3TR?
The package type is UFQFPN20 3X3X0.6 P0.5 NO EXP PAD.
- What is the operating temperature range for the STM8S103F3U3TR?
The operating temperature range is -40 °C to 125 °C.
