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ST72F324J6B6 from STM,ST Microelectronics

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ST72F324J6B6

Manufacturer: STM, ST,ST

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

Partnumber Manufacturer Quantity Availability
ST72F324J6B6 STM, ST,ST 20000 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 ST72F324J6B6 is a microcontroller from STMicroelectronics (STM) based on the ST7 core. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Core:** 8-bit ST7  
- **Operating Frequency:** Up to 8 MHz  
- **Flash Memory:** 32 KB  
- **RAM:** 1 KB  
- **EEPROM:** 1 KB  
- **Package:** PLCC52 (Plastic Leaded Chip Carrier, 52 pins)  
- **Operating Voltage:** 4.5V to 5.5V  
- **Temperature Range:** -40°C to +85°C  
- **I/O Pins:** Up to 38 programmable I/Os  
- **Timers:**  
  - 8-bit timer with 7-bit prescaler  
  - 16-bit timer with 3 input captures, 2 output compares, and PWM  
- **Communication Interfaces:**  
  - SPI (Serial Peripheral Interface)  
  - SCI (Serial Communication Interface)  
- **ADC:** 8-channel, 10-bit resolution  
- **Interrupts:** Nested interrupt controller with up to 32 vectors  
- **Watchdog Timer:** Hardware watchdog for system reliability  

### **Descriptions:**
The ST72F324J6B6 is an 8-bit microcontroller designed for embedded applications requiring moderate processing power and peripheral integration. It features a robust set of analog and digital peripherals, making it suitable for industrial control, automotive, and consumer electronics applications.

### **Features:**
- **High-Performance ST7 Core:** Efficient 8-bit architecture with extended instruction set.  
- **On-Chip Memory:** Includes Flash for program storage, RAM for data, and EEPROM for non-volatile data retention.  
- **Analog Capabilities:** Integrated 10-bit ADC for sensor interfacing.  
- **Flexible Timers:** Supports PWM, input capture, and output compare for motor control and timing applications.  
- **Communication Support:** SPI and SCI enable easy interfacing with external devices.  
- **Robust Design:** Wide operating voltage and temperature range for industrial environments.  

This microcontroller is part of STM’s ST7 family, known for its reliability and ease of use in embedded systems.

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

  • STM8S208RBT6 --: STM8S series 8-bit MCU in LQFP64 with similar flash, RAM and peripheral set; modern replacement path for ST7 designs with comparable core performance and pinout flexibility.
  • PIC18F4620-I/PT --: 8-bit MCU in TQFP-64 with comparable flash, RAM, timers and serial interfaces; widely available alternative if a different architecture is acceptable.
  • ATmega128A-AU --: 8-bit AVR MCU in TQFP-64 offering similar memory and peripheral resources; a feasible cross-architecture substitute for legacy ST7F324J6B6 applications.
  • AT89C51RD2-UM --: 8051-compatible 8-bit MCU with 64KB flash and 5V supply, offering a well-supported alternative architecture for legacy 8-bit designs when ST7 availability is a concern.
  • PIC18F4520-I/P --: Widely available 8-bit MCU with 32KB flash, 1.5KB RAM, and 5V operation; suitable functional replacement for general-purpose embedded control applications.

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