8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, The **ST72C254G2B6** is a microcontroller from **STMicroelectronics** based on the **ST7** core. Below are its key specifications, descriptions, and features:  

### **Manufacturer:** STMicroelectronics  
### **Core:** ST7 (8-bit)  
### **Operating Frequency:** Up to **8 MHz**  
### **Program Memory (Flash):** **16 KB**  
### **RAM:** **512 bytes**  
### **EEPROM:** **256 bytes**  
### **I/O Ports:** **Up to 38 I/O pins** (multiplexed with other functions)  
### **Timers:**  
- **8-bit Timer with 7-bit Prescaler**  
- **16-bit Timer with Input Capture, Output Compare, and PWM**  
- **Watchdog Timer**  
### **Communication Interfaces:**  
- **SPI (Serial Peripheral Interface)**  
- **SCI (Serial Communication Interface, UART-compatible)**  
### **ADC (Analog-to-Digital Converter):** **8-channel, 10-bit resolution**  
### **Operating Voltage:** **4.5V to 5.5V**  
### **Operating Temperature Range:** **-40°C to +85°C**  
### **Package:** **SDIP42 (Shrink Dual In-line Package, 42 pins)**  

### **Key Features:**  
- **Low-power modes** (Wait, Halt)  
- **Embedded RC oscillator**  
- **Robust reset circuitry** (Power-on Reset, Low-voltage Detector)  
- **Industrial-grade reliability**  

This microcontroller is designed for **industrial control, automotive, and consumer applications** requiring an 8-bit MCU with embedded Flash memory and analog capabilities.  

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8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI,