Overview
The STM8S105K4B6 is a member of the STM8S105x4/6 access line 8-bit microcontrollers from STMicroelectronics. This microcontroller family is known for its medium-density architecture, offering a balance of performance, robustness, and cost-effectiveness. The STM8S105K4B6 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 reduce system cost through high system integration, including internal clock oscillators, watchdogs, and a brown-out reset. The device supports short development cycles due to its scalable architecture and compatible pinout, memory map, and modular peripherals.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | STM8, 8-Bit, 16 MHz |
| Program Memory | Up to 32 Kbyte Flash |
| Data Memory | Up to 1 Kbyte true data EEPROM, 300 kcycle endurance |
| RAM | Up to 2 Kbyte |
| Operating Voltage | 2.95 to 5.5 V |
| Clock Sources | Low power crystal resonator oscillator, External clock input, 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), 2x16-bit general purpose timer, 8-bit basic 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 |
| I/Os | Up to 38 I/Os on a 48-pin package, including 16 high sink outputs |
| Unique ID | 96-bit unique key for each device |
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: 2.95 to 5.5 V operating voltage, flexible clock control with 4 master clock sources, clock security system.
- Power Management: Low-power modes (wait, active-halt, halt), switch-off peripheral clocks individually, permanently active low-consumption power-on and power-down reset.
- 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, window watchdog and independent watchdog timers.
- Communication Interfaces: UART with clock output, SPI interface up to 8 Mbit/s, I2C interface 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, highly robust I/O design immune against current injection.
- Unique ID: 96-bit unique key for each device.
Applications
The STM8S105K4B6 microcontroller is suitable for a wide range of applications due to its versatile features and robust design. Some common applications include:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Smart home devices
- IoT devices
Its ability to operate in low-power modes and its comprehensive set of peripherals make it an ideal choice for applications requiring high performance and low power consumption.
Q & A
- What is the core processor of the STM8S105K4B6?
The core processor is an 8-bit STM8 core with a 16 MHz clock frequency and Harvard architecture.
- How much program memory does the STM8S105K4B6 have?
The device has up to 32 Kbyte of Flash program memory.
- What is the operating voltage range of the STM8S105K4B6?
The operating voltage range is from 2.95 to 5.5 V.
- What types of timers are available on the STM8S105K4B6?
The device features an advanced control timer, 2x16-bit general purpose timers, and an 8-bit basic timer.
- What communication interfaces are supported by the STM8S105K4B6?
The device supports UART, SPI (up to 8 Mbit/s), and I2C (up to 400 kbit/s) interfaces.
- What is the resolution of the ADC on the STM8S105K4B6?
The ADC is a 10-bit converter with ±1 LSB accuracy and up to 10 multiplexed channels.
- How many I/Os are available on the STM8S105K4B6?
Up to 38 I/Os are available on a 48-pin package, including 16 high sink outputs.
- Does the STM8S105K4B6 have any unique identification feature?
Yes, each device has a 96-bit unique key.
- What are the low-power modes supported by the STM8S105K4B6?
The device supports wait, active-halt, and halt low-power modes.
- Is the STM8S105K4B6 suitable for industrial applications?
Yes, it is suitable for industrial applications due to its robust design and comprehensive set of peripherals.
