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ST72F324J2T6 from ST,ST Microelectronics

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ST72F324J2T6

Manufacturer: ST, STM

5V RANGE 8-BIT MCU WITH 8 TO 32K FLASH/ROM, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE

Partnumber Manufacturer Quantity Availability
ST72F324J2T6 ST, STM 1010 In Stock

Description and Introduction

5V RANGE 8-BIT MCU WITH 8 TO 32K FLASH/ROM, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE The **ST72F324J2T6** is a microcontroller from STMicroelectronics (STM) based on the **ST7 core**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Core:** 8-bit ST7  
- **Operating Frequency:** Up to **8 MHz**  
- **Program Memory (Flash):** **8 KB**  
- **RAM:** **384 bytes**  
- **EEPROM:** **256 bytes**  
- **Operating Voltage:** **3.0V to 5.5V**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **LQFP44 (10x10mm)**  

### **Features:**
- **On-Chip Peripherals:**  
  - **Timers:** 8-bit timer with 7-bit prescaler, 16-bit timer with 3-bit prescaler  
  - **ADC:** 8-channel, 10-bit resolution  
  - **Communication Interfaces:** SPI, SCI (UART)  
  - **Watchdog Timer (WDT)**  
  - **Interrupt Controller**  

- **Low Power Modes:**  
  - **Wait, Halt, and Active-Halt modes** for power efficiency  

- **Development Support:**  
  - In-circuit programming (ICP) and debugging  
  - Supported by STMicroelectronics development tools  

### **Applications:**  
- Industrial control systems  
- Consumer electronics  
- Automotive applications (non-safety critical)  
- Home appliances  

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

(Source: STMicroelectronics datasheet for ST72F324J2T6)

Application Scenarios & Design Considerations

5V RANGE 8-BIT MCU WITH 8 TO 32K FLASH/ROM, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE

Alternative Part Number

  • STM8S003F3P6 --: ST 8-bit MCU in the same STM8/ST7 family lineage with comparable core, flash, and peripheral set; pin-compatible TSSOP-20 package and widely available as a modern replacement.
  • ATMEGA48PA-PU --: 8-bit AVR MCU with similar flash size, GPIO count, and peripherals; DIP-20 package is easy to prototype with and offers a well-supported alternative architecture.
  • PIC16F1827-I/P --: 8-bit PIC MCU with comparable memory, timers, and serial interfaces; DIP-18 package provides a functionally similar alternative from a different vendor series.
  • PIC16F628A-I/SS --: Widely available 8-bit MCU in a comparable SSOP20 package with similar GPIO and timer resources; requires firmware porting but is a solid functional substitute.
  • AT89C4051-24SU --: 8051-core 8-bit MCU in a similar small package with comparable I/O count; a feasible alternative for legacy designs needing a simple drop-in-class replacement.

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