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ST72251G2M3 from ST,ST Microelectronics

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ST72251G2M3

Manufacturer: ST

8-BIT MCU WITH 4 TO 8K ROM/OTP/EPROM, 256 BYTES RAM, ADC, WGD, SPI, I2C AND 2 TIMERS

Partnumber Manufacturer Quantity Availability
ST72251G2M3 ST 812 In Stock

Description and Introduction

8-BIT MCU WITH 4 TO 8K ROM/OTP/EPROM, 256 BYTES RAM, ADC, WGD, SPI, I2C AND 2 TIMERS The ST72251G2M3 is a microcontroller manufactured by STMicroelectronics. Below are the factual details about this part from Ic-phoenix technical data files:

### **Manufacturer:**  
STMicroelectronics (ST)  

### **Specifications:**  
- **Core:** ST7 8-bit microcontroller  
- **Operating Voltage:** 3.0V to 5.5V  
- **Clock Speed:** Up to 8 MHz  
- **Flash Memory:** 8 KB  
- **RAM:** 384 bytes  
- **EEPROM:** 256 bytes  
- **I/O Ports:** Up to 32 general-purpose I/O pins  
- **Timers:** 16-bit timer with PWM, watchdog timer  
- **Communication Interfaces:** SPI, I²C, UART  
- **ADC:** 10-bit, 8-channel  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-pin LQFP  

### **Descriptions:**  
The ST72251G2M3 is part of the ST7 microcontroller family, designed for embedded applications requiring low-power operation and robust performance. It integrates flash memory, EEPROM, and multiple communication interfaces, making it suitable for industrial, automotive, and consumer applications.  

### **Features:**  
- Low-power modes for energy efficiency  
- In-circuit programming and debugging support  
- Robust reset and clock management  
- Enhanced EMI/EMC performance  
- Industrial-grade reliability  

For further technical details, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

8-BIT MCU WITH 4 TO 8K ROM/OTP/EPROM, 256 BYTES RAM, ADC, WGD, SPI, I2C AND 2 TIMERS

Alternative Part Number

  • PIC16F628A-I/SO --: 8-bit flash MCU in SOIC-28 with comparable I/O and peripherals; widely available and well documented as a functional substitute for the ST7 device.
  • AT89S52-24SU --: 8051-core 8-bit MCU in SOIC-28 with flash program memory and similar pin count; suitable for designs needing a simple drop-in-class replacement.
  • STM8S003F3P6 --: ST's own 8-bit MCU family successor to the ST7 line, offering similar low-cost 8-bit control functionality with modern flash memory and toolchain support.

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