8-BIT MICROCONTROLLER ( MCU ) WITH OTP, ROM, FASTROM, EPROM, LCD DRIVER, EEPROM, A/D CONVERTER AND 80 PINS The **ST62E40BG1** is a microcontroller from **STMicroelectronics** (ST).  

### **Key Specifications:**  
- **Core:** 8-bit ST6 core  
- **Clock Speed:** Up to **8 MHz**  
- **Program Memory (ROM):** **4 KB**  
- **RAM:** **192 bytes**  
- **EEPROM:** **128 bytes**  
- **I/O Ports:** **21 I/O pins**  
- **Timers:** 8-bit timer with **7-bit prescaler**  
- **ADC:** **4-channel, 8-bit**  
- **Operating Voltage:** **3.0V to 6.0V**  
- **Packages:** **DIP20, SO20**  

### **Features:**  
- **Low-power modes** (HALT, WAIT)  
- **Watchdog Timer (WDT)**  
- **On-chip oscillator** (RC or crystal)  
- **Interrupt capability**  
- **Industrial temperature range (-40°C to +85°C)**  

This microcontroller is designed for cost-sensitive embedded applications requiring moderate processing power and analog functionality.  

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8-BIT MICROCONTROLLER ( MCU ) WITH OTP, ROM, FASTROM, EPROM, LCD DRIVER, EEPROM, A/D CONVERTER AND 80 PINS