Overview
The STM8S105K6 is a mainstream access line 8-bit microcontroller from STMicroelectronics. It is part of the STM8S105x4/6 family, which offers a range of benefits including reduced system cost, enhanced performance, robustness, short development cycles, and product longevity. The microcontroller features an advanced STM8 core with a 16 MHz CPU clock frequency, integrated true data EEPROM, and a high level of system integration.
This microcontroller is designed to support a wide range of applications with its flexible clock control, low-power modes, and comprehensive set of peripherals. It is suitable for various industrial and consumer applications where reliability, performance, and cost-effectiveness are crucial.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline |
| Program Memory | Up to 32 Kbyte Flash; data retention 20 years at 55 °C after 10 kcycle |
| Data Memory | Up to 1 Kbyte true data EEPROM; endurance 300 kcycle |
| RAM | Up to 2 Kbyte |
| Operating Voltage | 2.95 to 5.5 V |
| Clock Sources | Flexible clock control, 4 master clock sources (including low power crystal resonator oscillator, external clock input, internal 16 MHz RC, and internal low-power 128 kHz RC) |
| 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 10 multiplexed channels, scan mode and analog watchdog |
| I/Os | Up to 38 I/Os on a 48-pin package including 16 high sink outputs |
| Package Options | LQFP 32 7x7x1.4 mm, UFQFPN 32 5x5x0.55 mm |
| Operating Temperature | -40 °C to 125 °C |
Key Features
- Core and Instruction Set: 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline, extended instruction set.
- Memories: Up to 32 Kbyte Flash program memory, up to 1 Kbyte true data EEPROM, up to 2 Kbyte RAM.
- Clock and Supply Management: Flexible clock control with 4 master clock sources, low-power modes (wait, active-halt, halt), switch-off peripheral clocks individually.
- Interrupt Management: Nested interrupt controller with 32 interrupts, up to 37 external interrupts on 6 vectors.
- Timers: Advanced control timer, 2x16-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 10 multiplexed channels, scan mode and analog watchdog.
- I/Os: Up to 38 I/Os on a 48-pin package including 16 high sink outputs, highly robust I/O design immune against current injection.
- Unique ID: 96-bit unique key for each device.
Applications
The STM8S105K6 microcontroller is suitable for a variety of applications, including:
- Industrial control systems
- Consumer electronics
- Automotive systems
- Medical devices
- Smart home devices
- IoT applications
Its robust design, low power consumption, and comprehensive set of peripherals make it an ideal choice for applications requiring reliability and performance.
Q & A
- What is the maximum clock frequency of the STM8S105K6 microcontroller?
The maximum clock frequency is 16 MHz.
- How much Flash program memory does the STM8S105K6 have?
Up to 32 Kbyte Flash program memory.
- What is the endurance of the data EEPROM in the STM8S105K6?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What are the operating voltage ranges for the STM8S105K6?
The operating voltage ranges from 2.95 V to 5.5 V.
- Does the STM8S105K6 support low-power modes?
- What communication interfaces are available on the STM8S105K6?
UART, SPI up to 8 Mbit/s, and I2C up to 400 kbit/s.
- How many I/Os are available on the STM8S105K6?
Up to 38 I/Os on a 48-pin package.
- What is the temperature range for the STM8S105K6?
The operating temperature range is from -40 °C to 125 °C.
- Does the STM8S105K6 have a unique identifier?
- What are some common applications for the STM8S105K6?
Industrial control systems, consumer electronics, automotive systems, medical devices, smart home devices, and IoT applications.
