Overview
The STM8S105K4T6CTR is a mainstream access line 8-bit microcontroller from STMicroelectronics. This device is part of the STM8S105x4/6 family, which offers a range of benefits including reduced system cost, enhanced performance, robustness, short development cycles, and product longevity. The microcontroller 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 suitable for various applications requiring reliability and efficiency.
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 Type | LQFP-32 (7x7) |
Key Features
- Advanced Core: 16 MHz STM8 core with Harvard architecture and 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 Management: Flexible clock control with 4 master clock sources, including internal RC and external clock input, and a clock security system with clock monitor.
- 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.
- Interrupt Management: Nested interrupt controller with 32 interrupts and 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, window watchdog, and independent watchdog timers.
- Communication Interfaces: UART with clock output, SPI up to 8 Mbit/s, I2C up to 400 kbit/s, and support for SmartCard, IrDA, LIN master mode.
- 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, and highly robust I/O design immune against current injection.
Applications
The STM8S105K4T6CTR is suitable for a wide range of applications, including:
- Industrial control systems
- Consumer electronics
- Automotive systems
- Medical devices
- Smart home devices
- IoT applications requiring low power and high reliability
Q & A
- What is the core frequency of the STM8S105K4T6CTR?
The core frequency is 16 MHz.
- What is the maximum program memory available on this microcontroller?
The maximum program memory is up to 32 Kbyte Flash.
- 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 this microcontroller?
The operating voltage range is from 2.95 to 5.5 V.
- What communication interfaces are available on this device?
The device features UART, SPI up to 8 Mbit/s, and I2C up to 400 kbit/s.
- Does the microcontroller have any power-saving features?
Yes, it includes low-power modes (wait, active-halt, halt) and the ability to switch off peripheral clocks individually.
- What type of ADC is integrated into this microcontroller?
The device includes a 10-bit, ±1 LSB ADC with up to 10 multiplexed channels.
- How many I/Os are available on the 48-pin package?
Up to 38 I/Os are available, including 16 high sink outputs.
- Is the microcontroller robust against current injection?
Yes, the I/O design is highly robust and immune against current injection.
- What is the package type of the STM8S105K4T6CTR?
The package type is LQFP-32 (7x7).
