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STM8S105C4T6 from STM,ST Microelectronics

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STM8S105C4T6

Manufacturer: STM, ST

Mainstream Access line 8-bit MCU with 16 Kbytes Flash, 16 MHz CPU, integrated EEPROM

Partnumber Manufacturer Quantity Availability
STM8S105C4T6 STM, ST 8306 In Stock

Description and Introduction

Mainstream Access line 8-bit MCU with 16 Kbytes Flash, 16 MHz CPU, integrated EEPROM The STM8S105C4T6 is a microcontroller manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Core:** STM8 8-bit core with Harvard architecture and 3-stage pipeline  
- **Operating Frequency:** Up to 16 MHz  
- **Flash Memory:** 16 KB  
- **RAM:** 2 KB  
- **EEPROM:** 1 KB  
- **Operating Voltage:** 2.95 V to 5.5 V  
- **Operating Temperature Range:** -40°C to +85°C (Industrial)  
- **Package:** LQFP-48  

### **Features:**
- **Advanced STM8 Core:** Delivers high performance with efficient power consumption.  
- **Rich Peripherals:**  
  - 10-bit ADC with up to 16 channels  
  - 3x 16-bit timers (TIM1, TIM2, TIM3)  
  - 1x 8-bit timer (TIM4)  
  - UART, SPI, and I²C interfaces  
  - Window watchdog and independent watchdog  
- **Robust I/O:** Up to 38 I/O pins with interrupt capability.  
- **Clock Management:** Flexible clock options (internal 16 MHz RC, external crystal).  
- **Low-Power Modes:** Halt, Active-Halt, and Wait modes for power efficiency.  
- **Development Support:** Supported by STM8 toolchains and debuggers.  

### **Applications:**
- Industrial control  
- Consumer electronics  
- Motor control  
- Home appliances  

This microcontroller is designed for cost-sensitive applications requiring reliability and performance.

Application Scenarios & Design Considerations

Mainstream Access line 8-bit MCU with 16 Kbytes Flash, 16 MHz CPU, integrated EEPROM

Alternative Part Number

  • STM8S105C6T6 --: Same STM8S105 family, same LQFP48 package and pinout, only larger flash (32KB vs 16KB), so it is a drop-in upgrade with minimal firmware change.
  • STM8S105K4T6 --: Same STM8S105 core and 16KB flash, smaller LQFP32 package; suitable when board space allows redesign and fewer I/Os are needed.
  • STM8S207C6T6 --: Higher-performance STM8S2 series in the same LQFP48 footprint with 32KB flash; a good alternative when more processing headroom is required, though peripheral mapping differs slightly.

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