Overview
The STM8S105K6U3A is a mainstream access line 8-bit microcontroller from STMicroelectronics. This device is part of the STM8S105x4/6 family, known for its medium-density architecture. It offers a range of benefits including reduced system cost, enhanced performance, robustness, short development cycles, and product longevity. The microcontroller features an integrated true data EEPROM, high system integration with internal clock oscillators, watchdog, and brown-out reset, making it a versatile choice for various applications.
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 internal, user-trimmable 16 MHz RC and internal low-power 128 kHz RC) |
| 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 |
| 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
- 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, and clock security system.
- 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 interface up to 8 Mbit/s, I2C interface up to 400 kbit/s.
- ADC and I/Os: 10-bit ADC with up to 10 multiplexed channels, highly robust I/O design with up to 38 I/Os.
- Unique ID: 96-bit unique key for each device.
Applications
The STM8S105K6U3A microcontroller is suitable for a wide range of applications due to its versatility and robust features. Some common applications include:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Smart home devices
- IoT devices
Its integrated EEPROM, multiple timers, and communication interfaces make it an ideal choice for applications requiring data storage, precise timing, and communication capabilities.
Q & A
- What is the core frequency of the STM8S105K6U3A microcontroller?
The core frequency is 16 MHz.
- How much program memory does the STM8S105K6U3A have?
Up to 32 Kbyte Flash program memory.
- What is the endurance of the data EEPROM in the STM8S105K6U3A?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What are the operating voltage ranges for the STM8S105K6U3A?
The operating voltage ranges from 2.95 V to 5.5 V.
- What communication interfaces are available on the STM8S105K6U3A?
UART, SPI interface up to 8 Mbit/s, and I2C interface up to 400 kbit/s.
- How many I/Os are available on the STM8S105K6U3A?
Up to 38 I/Os on a 48-pin package, including 16 high sink outputs.
- What is the package type of the STM8S105K6U3A?
UFQFPN 32 5x5x0.55 mm.
- What is the operating temperature range for the STM8S105K6U3A?
-40 °C to 125 °C.
- Does the STM8S105K6U3A have a unique identifier?
Yes, it has a 96-bit unique key for each device.
- What are some common applications for the STM8S105K6U3A?
Industrial control systems, automotive systems, consumer electronics, medical devices, smart home devices, and IoT devices.
