STM8S105K4T3CTR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, IoT devices, consumer electronics
• Characteristics: Low power consumption, high performance, rich peripheral set
• Package: TQFP-32
• Essence: 8-bit microcontroller with advanced features
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Architecture: STM8 core
• CPU Frequency: Up to 16 MHz
• Flash Memory: 16 KB
• RAM: 1 KB
• Operating Voltage: 2.95V to 5.5V
• I/O Pins: 32
• Timers: 3x 16-bit timers, 1x 8-bit timer
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 10-bit, 5 channels
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The STM8S105K4T3CTR microcontroller has a total of 32 pins arranged in a TQFP package. The pin configuration is as follows:

1. PD4 - GPIO
2. PD5 - GPIO
3. PD6 - GPIO
4. PD7 - GPIO
5. PC3 - GPIO
6. PC4 - GPIO
7. PC5 - GPIO
8. PC6 - GPIO
9. PA1 - GPIO
10. PA2 - GPIO
11. PA3 - GPIO
12. PA4 - GPIO
13. PA5 - GPIO
14. PA6 - GPIO
15. PA7 - GPIO
16. PB4 - GPIO
17. PB5 - GPIO
18. PB6 - GPIO
19. PB7 - GPIO
20. PC0 - GPIO
21. PC1 - GPIO
22. PC2 - GPIO
23. PD0 - GPIO
24. PD1 - GPIO
25. PD2 - GPIO
26. PD3 - GPIO
27. RESET - Reset pin
28. VSS - Ground
29. VDD - Power supply
30. OSCIN - Oscillator input
31. OSCOUT - Oscillator output
32. NRST - Reset pin

Functional Features

• High-performance STM8 core with Harvard architecture
• Low power consumption for energy-efficient applications
• Rich peripheral set including UART, SPI, and I2C interfaces
• Flexible GPIO pins for versatile digital I/O operations
• 10-bit ADC for analog signal acquisition
• Multiple timers for precise timing control
• Wide operating voltage range for compatibility with various power sources
• Robust temperature range for reliable operation in harsh environments

Advantages and Disadvantages

Advantages

• Cost-effective solution for embedded systems and IoT devices
• Compact package size suitable for space-constrained designs
• Low power consumption extends battery life in portable applications
• High-performance STM8 core enables efficient execution of tasks
• Rich peripheral set simplifies system integration and connectivity

Disadvantages

• Limited flash memory and RAM compared to higher-end microcontrollers
• 8-bit architecture may not be sufficient for complex applications requiring extensive processing power
• Lack of advanced features found in more advanced microcontrollers

Working Principles

The STM8S105K4T3CTR microcontroller operates based on the STM8 core architecture. It executes instructions stored in its flash memory and utilizes its peripherals to perform various tasks. The CPU communicates with external devices through the available communication interfaces such as UART, SPI, and I2C. The GPIO pins provide digital I/O capabilities, while the ADC enables analog signal acquisition. The timers allow precise timing control for time-sensitive operations.

Application Field Plans

The STM8S105K4T3CTR microcontroller finds applications in various fields, including:

1. Home automation systems
2. Industrial control systems
3. Automotive electronics
4. Consumer electronics
5. Internet of Things (IoT) devices
6. Medical devices
7. Smart energy management systems

Alternative Models

If the STM8S105K4T3CTR does not meet specific requirements, alternative microcontrollers with similar features and capabilities include:

1. STM8S103F3P6 - 8-bit microcontroller with 8 KB flash memory and 640 bytes of RAM.
2. PIC16F877A - 8-bit microcontroller with 14 KB flash memory and 368 bytes of RAM.
3. ATmega328P - 8-bit microcontroller with 32 KB flash memory and 2 KB of RAM.
4. LPC1114FN28 - 32-bit microcontroller with 32 KB flash memory and 4 KB of RAM.

These