Overview
The STM8S105K6U3ATR is a mainstream access line 8-bit microcontroller from STMicroelectronics. It belongs to the STM8S family, known for its medium-density architecture and robust performance. This microcontroller offers a range of benefits including reduced system cost, enhanced performance, short development cycles, and product longevity. The device 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 operate within a voltage range of 2.95 to 5.5 V, making it versatile for various applications.
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 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, 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, 3 complementary outputs, dead-time insertion and flexible synchronization; 2x16-bit general purpose timer; 8-bit basic timer with 8-bit prescaler; auto wake-up timer; window watchdog and independent watchdog timers |
| Communication Interfaces | UART with clock output for synchronous operation, SmartCard, IrDA, LIN master mode; 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, immune against current injection |
| Package | UFQFPN 32 5x5x0.55 mm |
| Operating Temperature | -40 °C to +125 °C |
Key Features
- Advanced Core: 16 MHz STM8 core with Harvard architecture and a 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.
- Clock and Power Management: Flexible clock control with multiple clock sources, low-power modes, and individual peripheral clock switch-off.
- Interrupt Management: Nested interrupt controller with 32 interrupts and up to 37 external interrupts on 6 vectors.
- Timers and Watchdogs: Advanced control timer, general purpose timers, basic timer, auto wake-up timer, window watchdog, and independent watchdog timers.
- Communication Interfaces: UART, SPI, and I2C interfaces with various modes of operation.
- ADC: 10-bit ADC with up to 10 multiplexed channels, scan mode, and analog watchdog.
- I/Os: Up to 38 I/Os with 16 high sink outputs and robust I/O design.
- Unique ID: 96-bit unique key for each device.
Applications
The STM8S105K6U3ATR microcontroller is suitable for a wide range of applications due to its versatility and robust features. Some common applications include:
- Industrial Control Systems: For controlling and monitoring industrial processes.
- Automotive Systems: For various automotive applications requiring robust and reliable performance.
- Consumer Electronics: For devices such as home appliances, gaming consoles, and other consumer electronics.
- Medical Devices: For medical equipment that requires precise and reliable control.
- IoT Devices: For Internet of Things applications that need efficient and low-power operation.
Q & A
- What is the core frequency of the STM8S105K6U3ATR microcontroller?
The core frequency is 16 MHz.
- What is the maximum program memory available in the STM8S105K6U3ATR?
Up to 32 Kbyte Flash program memory.
- What is the endurance of the data EEPROM in the STM8S105K6U3ATR?
Up to 300 k write/erase cycles.
- What are the operating voltage ranges for the STM8S105K6U3ATR?
2.95 to 5.5 V.
- What communication interfaces are available on the STM8S105K6U3ATR?
UART, SPI, and I2C interfaces.
- What is the resolution of the ADC in the STM8S105K6U3ATR?
10-bit ADC.
- How many I/Os are available on the STM8S105K6U3ATR?
Up to 38 I/Os.
- What is the package type of the STM8S105K6U3ATR?
UFQFPN 32 5x5x0.55 mm.
- What is the operating temperature range for the STM8S105K6U3ATR?
-40 °C to +125 °C.
- Does the STM8S105K6U3ATR have any unique identification feature?
Yes, it has a 96-bit unique key for each device.
