Overview
The STM8S105K4U6A is a member of the STM8S105x4/6 access line 8-bit microcontrollers from STMicroelectronics. These microcontrollers are designed to offer a balance of performance, robustness, and cost-effectiveness. They feature from 16 to 32 Kbytes of Flash program memory and up to 1 Kbyte of true data EEPROM. The STM8S105K4U6A is particularly notable for its advanced STM8 core with a Harvard architecture and 3-stage pipeline, operating at a clock frequency of 16 MHz. This device is suitable for a wide range of applications due to its high system integration, low power consumption, and robust I/O design.
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 crystal resonator oscillators |
| Communication Interfaces | UART, SPI (up to 8 Mbit/s), I²C (up to 400 kbit/s) |
| ADC | 10-bit, ±1 LSB ADC with up to 10 multiplexed channels |
| Timers | Advanced control timer, 2x16-bit general purpose timers, 8-bit basic timer |
| 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 32 Kbyte Flash program memory and up to 1 Kbyte true data EEPROM.
- Clock Management: Flexible clock control with 4 master clock sources, including internal RC and crystal resonator oscillators.
- Power Management: Low-power modes (wait, active-halt, halt) and switch-off peripheral clocks individually.
- Communication Interfaces: UART, SPI, and I²C interfaces.
- Timers and Watchdogs: Advanced control timer, general purpose timers, and independent watchdog timers.
- Analog to Digital Converter (ADC): 10-bit ADC with up to 10 multiplexed channels.
- I/O Design: Highly robust I/O design, immune against current injection, with up to 38 I/Os.
- Unique ID: 96-bit unique key for each device.
Applications
The STM8S105K4U6A microcontroller is versatile and can be used in a variety of applications, including:
- Industrial Automation: For controlling and monitoring industrial processes.
- Consumer Electronics: In devices such as home appliances, remote controls, and gaming consoles.
- Automotive Systems: For vehicle control units, sensors, and other automotive applications.
- Medical Devices: In medical equipment that requires precise control and low power consumption.
- Smart Home Devices: For IoT devices, smart sensors, and other home automation systems.
Q & A
- What is the core frequency of the STM8S105K4U6A microcontroller?
The core frequency is 16 MHz. - How much program memory does the STM8S105K4U6A have?
The STM8S105K4U6A has up to 32 Kbyte of Flash program memory. - What is the endurance of the EEPROM in the STM8S105K4U6A?
The EEPROM has an endurance of 300 k write/erase cycles. - What are the operating voltage ranges for the STM8S105K4U6A?
The operating voltage ranges from 2.95 V to 5.5 V. - What communication interfaces are available on the STM8S105K4U6A?
The device features UART, SPI (up to 8 Mbit/s), and I²C (up to 400 kbit/s) interfaces. - How many I/Os does the STM8S105K4U6A have?
The device has up to 38 I/Os on a 48-pin package. - What is the package type of the STM8S105K4U6A?
The package type is UFQFPN 32 5x5x0.55 mm. - What are the low-power modes available on the STM8S105K4U6A?
The device supports low-power modes such as wait, active-halt, and halt. - Does the STM8S105K4U6A have a unique identifier?
Yes, each device has a 96-bit unique key. - What is the operating temperature range of the STM8S105K4U6A?
The operating temperature range is from -40°C to 125°C.
