Overview
The STM8S105K6U6 is a mainstream access line 8-bit microcontroller from STMicroelectronics. This device is part of the STM8S105x4/6 family, which offers a range of benefits including reduced system cost, enhanced performance, and robustness. The microcontroller features a 16 MHz advanced STM8 core with Harvard architecture and a 3-stage pipeline, along with an extended instruction set. It is designed to provide short development cycles and ensure product longevity, making it suitable for various applications requiring moderate complexity and cost-effectiveness.
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | STM8S105K6U6 |
| 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 | 4 master clock sources: low power crystal resonator oscillator, external clock input, internal user-trimmable 16 MHz RC, internal low-power 128 kHz RC |
| Power Management | Low-power modes (wait, active-halt, halt), switch-off peripheral clocks individually, permanently active low-consumption power-on and power-down reset |
| Interrupts | Nested interrupt controller with 32 interrupts, up to 37 external interrupts on 6 vectors |
| Timers | Advanced control timer: 16-bit, 4 CAPCOM channels, 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 interface up to 8 Mbit/s, I2C interface up to 400 kbit/s |
| 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 |
| Unique ID | 96-bit unique key for each device |
| Package | UFQFPN32 (5x5 mm) |
| Operating Temperature | -40 °C to +85 °C |
Key Features
- Advanced Core: 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline, extended instruction set.
- Memory: Up to 32 Kbyte Flash program memory, up to 1 Kbyte true data EEPROM, and up to 2 Kbyte RAM.
- Flexible Clock Control: 4 master clock sources including low power crystal resonator oscillator, external clock input, internal user-trimmable 16 MHz RC, and internal low-power 128 kHz RC.
- Power Management: Low-power modes (wait, active-halt, halt), switch-off peripheral clocks individually, and permanently active low-consumption power-on and power-down reset.
- Interrupt Management: Nested interrupt controller with 32 interrupts, up to 37 external interrupts on 6 vectors.
- Timers and Watchdogs: 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 for synchronous operation, SPI interface up to 8 Mbit/s, I2C interface 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 STM8S105K6U6 microcontroller is suitable for a wide range of applications that require moderate complexity and cost-effectiveness. These include:
- Industrial Control Systems: Due to its robust I/O design and various timers, it is ideal for industrial control applications.
- Consumer Electronics: Its low power consumption and flexible clock control make it a good choice for consumer electronics.
- Automotive Systems: The microcontroller's ability to operate over a wide temperature range and its robust design make it suitable for automotive applications.
- Medical Devices: The high reliability and advanced features of the STM8S105K6U6 make it a viable option for medical device development.
- IoT Devices: Its low power modes and various communication interfaces (UART, SPI, I2C) make it a good fit for IoT applications.
Q & A
- What is the maximum clock frequency of the STM8S105K6U6?
The maximum clock frequency is 16 MHz.
- What is the operating voltage range of the STM8S105K6U6?
The operating voltage range is from 2.95 V to 5.5 V.
- How much program memory does the STM8S105K6U6 have?
The STM8S105K6U6 has up to 32 Kbyte Flash program memory.
- What types of communication interfaces does the STM8S105K6U6 support?
The microcontroller supports UART, SPI, and I2C interfaces.
- What is the resolution of the ADC in the STM8S105K6U6?
The ADC has a resolution of 10 bits.
- How many I/Os does the STM8S105K6U6 have?
The microcontroller has up to 38 I/Os on a 48-pin package.
- What are the low-power modes available in the STM8S105K6U6?
The low-power modes include wait, active-halt, and halt modes.
- Does the STM8S105K6U6 have any watchdog timers?
Yes, it includes window watchdog and independent watchdog timers.
- What is the temperature range for the STM8S105K6U6?
The operating temperature range is from -40 °C to +85 °C.
- Is the STM8S105K6U6 RoHS compliant?
Yes, the STM8S105K6U6 is RoHS compliant.
