Overview
The STM8S105K4U3ATR is a mainstream access line 8-bit microcontroller from STMicroelectronics. It belongs to the STM8S105x4/6 family, which offers a range of benefits including reduced system cost, enhanced performance, robustness, short development cycles, and product longevity. These microcontrollers feature advanced core technology, operating within a voltage range of 2.95 V to 5.5 V, making them suitable for various applications requiring reliability and efficiency.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline |
| Program Memory | Up to 16 Kbyte Flash |
| 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, internal 16 MHz RC, 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, auto wake-up timer |
| 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
- Advanced Core: 16 MHz STM8 core with Harvard architecture and 3-stage pipeline.
- Memory: Up to 16 Kbyte Flash program memory, up to 1 Kbyte true data EEPROM, and up to 2 Kbyte RAM.
- Clock and Reset Management: Flexible clock control with 4 master clock sources, internal 16 MHz RC, and internal low-power 128 kHz RC.
- Interrupt Management: Nested interrupt controller with 32 interrupts and up to 37 external interrupts on 6 vectors.
- Timers and Counters: Advanced control timer, general purpose timers, basic timer, and auto wake-up timer.
- Communication Interfaces: UART, SPI, and I2C interfaces.
- Analog to Digital Converter (ADC): 10-bit ADC with up to 10 multiplexed channels and analog watchdog.
- I/Os: Highly robust I/O design with up to 38 I/Os including 16 high sink outputs.
- 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.
- Unique ID: 96-bit unique key for each device.
Applications
The STM8S105K4U3ATR microcontroller is suitable for a wide range of applications, including:
- Industrial Automation: Control systems, sensors, and actuators.
- Consumer Electronics: Home appliances, remote controls, and gaming devices.
- Automotive Systems: Dashboard controls, anti-theft systems, and other vehicle electronics.
- Medical Devices: Portable medical equipment and diagnostic tools.
- Smart Home Devices: IoT devices, security systems, and home automation.
Q & A
- What is the maximum clock frequency of the STM8S105K4U3ATR microcontroller?
The maximum clock frequency is 16 MHz.
- How much Flash program memory does the STM8S105K4U3ATR have?
The STM8S105K4U3ATR has up to 16 Kbyte Flash program memory.
- What is the endurance of the integrated EEPROM?
The integrated EEPROM has an endurance of 300 k write/erase cycles.
- What are the operating voltage ranges for the STM8S105K4U3ATR?
The operating voltage range is from 2.95 V to 5.5 V.
- Does the STM8S105K4U3ATR support low-power modes?
Yes, it supports low-power modes such as wait, active-halt, and halt.
- What communication interfaces are available on the STM8S105K4U3ATR?
The microcontroller features UART, SPI, and I2C interfaces.
- How many I/Os are available on the STM8S105K4U3ATR?
Up to 38 I/Os are available, including 16 high sink outputs.
- What is the package type of the STM8S105K4U3ATR?
The package type is UFQFPN 32 5x5x0.55 mm.
- What is the operating temperature range for the STM8S105K4U3ATR?
The operating temperature range is from -40°C to 125°C.
- Does the STM8S105K4U3ATR have a unique identifier?
Yes, each device has a 96-bit unique key.
