Overview
The STM8S105K4U6ATR is a member of the STM8S105x4/6 access line 8-bit microcontrollers from STMicroelectronics. This microcontroller is designed to offer a balance of performance, robustness, and cost-effectiveness. It features a 16 MHz advanced STM8 core with Harvard architecture and a 3-stage pipeline, along with an extended instruction set. The device includes integrated true data EEPROM and a high level of system integration, which reduces overall system cost and enhances development efficiency.
The STM8S105K4U6ATR is suitable for a wide range of applications due to its scalable architecture, compatible pinout, and modular peripherals. It operates within a voltage range of 2.95 to 5.5 V, ensuring product longevity and reliability in various environments.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Frequency | 16 MHz |
| Program Memory | Up to 32 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 | 4 master clock sources, including internal RC and external clock input |
| 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 |
| 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: 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, 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 clock security system.
- 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, and 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.
- 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 STM8S105K4U6ATR is versatile and can be used in a variety of applications, including:
- Industrial control systems
- Consumer electronics
- Automotive systems
- Medical devices
- Smart home devices
- IoT devices
Its robust design, low power consumption, and comprehensive set of peripherals make it an ideal choice for applications requiring reliability and efficiency.
Q & A
- What is the core frequency of the STM8S105K4U6ATR?
The core frequency is 16 MHz.
- How much program memory does the STM8S105K4U6ATR have?
It has up to 32 Kbyte Flash program memory.
- What is the endurance of the data EEPROM?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What are the operating voltage ranges for the STM8S105K4U6ATR?
The operating voltage range is from 2.95 to 5.5 V.
- What communication interfaces are available on the STM8S105K4U6ATR?
The device features UART, SPI up to 8 Mbit/s, and I2C up to 400 kbit/s.
- How many I/Os does the STM8S105K4U6ATR have?
It has up to 38 I/Os, including 16 high sink outputs.
- What is the package type of the STM8S105K4U6ATR?
The package type is UFQFPN 32 5x5x0.55 mm.
- What is the operating temperature range for the STM8S105K4U6ATR?
The operating temperature range is from -40°C to 125°C.
- Does the STM8S105K4U6ATR have any unique identification features?
Yes, it has a 96-bit unique key for each device.
- What are the low-power modes available on the STM8S105K4U6ATR?
The device supports low-power modes such as wait, active-halt, and halt.
