Overview
The STM8S105K6U6A is a mainstream access line 8-bit microcontroller from STMicroelectronics. It belongs to the STM8S family, known for its medium-density architecture. This microcontroller offers a range of benefits including reduced system cost, enhanced performance, robustness, short development cycles, and product longevity. The device features an integrated true data EEPROM, high system integration with internal clock oscillators, watchdog, and brown-out reset, which contribute to the reduced system cost. The 16 MHz CPU clock frequency and advanced core technology ensure high performance and reliability for applications requiring an operating supply voltage of 2.95 V to 5.5 V.
Key Specifications
| Specification | Details |
|---|---|
| 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 | 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, and up to 2 Kbyte RAM.
- Clock and Supply Management: Flexible clock control with 4 master clock sources, low-power modes (wait, active-halt, halt), and 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 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 STM8S105K6U6A microcontroller is suitable for a wide range of applications due to its versatile features and robust design. Some common applications include:
- Industrial Control Systems: The microcontroller's advanced timers, watchdogs, and robust I/O design make it ideal for industrial control and automation systems.
- Consumer Electronics: Its low power modes and flexible clock control make it suitable for battery-powered consumer electronics.
- Automotive Systems: The device's ability to operate over a wide temperature range and its robust design make it a good fit for automotive applications.
- Medical Devices: The high precision ADC and robust I/Os are beneficial for medical device applications requiring reliability and accuracy.
- Smart Home Devices: The microcontroller's communication interfaces (UART, SPI, I2C) and low power modes are advantageous for smart home devices.
Q & A
- What is the core frequency of the STM8S105K6U6A microcontroller?
The core frequency of the STM8S105K6U6A microcontroller is 16 MHz.
- How much Flash program memory does the STM8S105K6U6A have?
The STM8S105K6U6A has up to 32 Kbyte Flash program memory.
- What is the endurance of the data EEPROM in the STM8S105K6U6A?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What are the operating voltage ranges for the STM8S105K6U6A?
The operating voltage range is from 2.95 V to 5.5 V.
- What communication interfaces are available on the STM8S105K6U6A?
The microcontroller features UART, SPI up to 8 Mbit/s, and I2C up to 400 kbit/s.
- How many I/Os does the STM8S105K6U6A have?
The STM8S105K6U6A has up to 38 I/Os, including 16 high sink outputs.
- What is the package type of the STM8S105K6U6A?
The package type is UFQFPN 32 5x5x0.55 mm.
- Does the STM8S105K6U6A have any unique identification features?
Yes, each device has a 96-bit unique key.
- What are the low power modes available on the STM8S105K6U6A?
The microcontroller supports low-power modes such as wait, active-halt, and halt.
- Is the STM8S105K6U6A RoHS compliant?
Yes, the STM8S105K6U6A is RoHS compliant with an Ecopack2 grade.
