Overview
The STM8S103K3U6 is an 8-bit microcontroller from STMicroelectronics, part of the STM8S access line. 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 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 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 | Flexible clock control, 4 master clock sources (including internal RC and external clock input) |
| Communication Interfaces | UART, SPI up to 8 Mbit/s, I2C up to 400 kbit/s |
| Analog to Digital Converter (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 | UFQFPN 32 5x5x0.55 mm |
| Operating Temperature | -40 °C to 125 °C |
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 Reset Management: Flexible clock control with 4 master clock sources, internal and external clock inputs, clock security system.
- Power Management: Low-power modes (wait, active-halt, halt), switch-off peripheral clocks individually, permanently active low-consumption power-on and power-down reset.
- Interrupt Management: Nested interrupt controller with 32 interrupts, up to 27 external interrupts on 6 vectors.
- Timers: Advanced control timer, 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 up to 8 Mbit/s, I2C up to 400 kbit/s.
- Analog to Digital Converter (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 immune against current injection.
- Unique ID: 96-bit unique key for each device.
Applications
The STM8S103K3U6 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 STM8S103K3U6 microcontroller?
The core frequency is 16 MHz.
- How much program memory does the STM8S103K3U6 have?
The device has 8 Kbyte Flash program memory.
- What is the endurance of the data EEPROM in the STM8S103K3U6?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What are the operating voltage ranges for the STM8S103K3U6?
The operating voltage ranges from 2.95 to 5.5 V.
- What communication interfaces are available on the STM8S103K3U6?
The device includes UART, SPI up to 8 Mbit/s, and I2C up to 400 kbit/s interfaces.
- What is the resolution of the ADC in the STM8S103K3U6?
The ADC is a 10-bit, ±1 LSB ADC with up to 5 multiplexed channels.
- How many I/Os are available on the STM8S103K3U6?
Up to 28 I/Os are available on a 32-pin package, including 21 high sink outputs.
- What is the package type for the STM8S103K3U6?
The package type is UFQFPN 32 5x5x0.55 mm.
- What are the operating temperature ranges for the STM8S103K3U6?
The operating temperature ranges from -40 °C to 125 °C.
- Does the STM8S103K3U6 have any unique identification features?
Yes, each device has a 96-bit unique key.
