Overview
The STM8S103F3U6TR 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 an advanced STM8 core with Harvard architecture and a 3-stage pipeline, operating at a clock frequency of 16 MHz. The device includes integrated true data EEPROM, internal clock oscillators, watchdogs, and brown-out reset, which contribute to its high system integration level and cost-effectiveness.
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, internal 16 MHz RC, internal low-power 128 kHz RC |
| 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 |
| Timers | Advanced control timer, 16-bit general purpose timer, 8-bit basic timer, auto wake-up timer |
| 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 |
| Operating Temperature | -40 °C to 125 °C |
Key Features
- Advanced STM8 core with Harvard architecture and 3-stage pipeline for enhanced performance.
- Integrated true data EEPROM with 300 k write/erase cycles for reliable data storage.
- Flexible clock control with multiple master clock sources and internal RC oscillators.
- Low power modes (wait, active-halt, halt) and switch-off peripheral clocks individually for power management.
- Nested interrupt controller with 32 interrupts and up to 27 external interrupts on 6 vectors.
- Advanced control timer, 16-bit general purpose timer, and 8-bit basic timer for various timing applications.
- 10-bit ADC with up to 5 multiplexed channels and analog watchdog.
- Highly robust I/O design, immune against current injection.
- Unique 96-bit ID for each device.
Applications
The STM8S103F3U6TR is suitable for a wide range 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 applications
Q & A
- What is the clock frequency of the STM8S103F3U6TR microcontroller?
The clock frequency is 16 MHz.
- How much program memory does the STM8S103F3U6TR have?
The device has 8 Kbyte of Flash program memory.
- What is the endurance of the integrated true data EEPROM?
The EEPROM has an endurance of 300 k write/erase cycles.
- What communication interfaces are available on the STM8S103F3U6TR?
The device includes UART, SPI, and I2C interfaces.
- What is the operating voltage range of the STM8S103F3U6TR?
The operating voltage range is from 2.95 to 5.5 V.
- How many I/Os are available on the STM8S103F3U6TR?
Up to 28 I/Os are available, including 21 high sink outputs.
- What is the package type of the STM8S103F3U6TR?
The package type is UFQFPN20 3X3X0.6 P0.5 NO EXP PAD.
- What is the operating temperature range of the STM8S103F3U6TR?
The operating temperature range is from -40 °C to 125 °C.
- Does the STM8S103F3U6TR have any power management features?
Yes, it includes low power modes and the ability to switch off peripheral clocks individually.
- What kind of timers are available on the STM8S103F3U6TR?
The device includes an advanced control timer, a 16-bit general purpose timer, and an 8-bit basic timer.
