ST72F321J9T6 - STMicroelectronics

Manufacturer Part Number

ST72F321J9T6

Manufacturer

STMicroelectronics

Introduction

The ST72F321J9T6 is an 8-bit embedded microcontroller designed by STMicroelectronics, targeting a variety of low to medium complexity applications within automotive, industrial, and consumer electronic markets.

Product Features and Performance

8-bit ST7 core processor providing balanced performance for embedded control tasks

Speed of 8MHz enabling responsive microcontroller operations

Integrated peripherals including Low Voltage Detect (LVD), Power-on Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT) for enhanced functionality

I2C, SCI, and SPI connectivity for versatile communication capabilities

32 input/output (I/O) ports facilitating extensive external device control

60KB of Flash program memory for robust application code storage

2KB RAM for efficient data handling and processing

Built-in A/D converter with 16 channels at 10 bits resolution, providing accurate analog signal measurement

Internal oscillator for reduced external component count

Wide operating temperature range from -40°C to 85°C suitable for demanding environments

Product Advantages

High integration level reduces overall system cost and complexity

Wide operating voltage range (3.8V to 5.5V) supporting diverse power supply scenarios

Large program memory size permitting sophisticated software applications

Comprehensive set of peripherals augmenting application functionality without additional components

Surface mount 44-LQFP package enables compact and space-efficient PCB designs

Key Technical Parameters

Core Processor: ST7

Core Size: 8-Bit

Speed: 8MHz

Connectivity: I2C, SCI, SPI

Number of I/O: 32

Program Memory Size: 60KB (60K x 8)

RAM Size: 2K x 8

Voltage Supply: 3.8V ~ 5.5V

Data Converters: A/D 16x10b

Operating Temperature: -40°C ~ 85°C (TA)

Package / Case: 44-LQFP

Quality and Safety Features

Low Voltage Detect and Power-on Reset features for reliable operation under fluctuating power conditions

Watchdog Timer preventing system freezes and ensuring continuous operation

Compatibility

Flexible interfacing capabilities through I2C, SCI, and SPI make it compatible with a broad range of peripheral components and systems.

Application Areas

Automotive systems

Industrial control units

Consumer electronics

Automation systems

Product Lifecycle

Obsolete - This model is no longer in production, and availability might be limited. Upgrades or replacements could be required.

Several Key Reasons to Choose This Product

Robust design suitable for harsh operating conditions

High-level integration for minimising external components and cost

Versatile connectivity options facilitating easy integration into various system designs

Large memory storage for complex application development

Comprehensive peripherals supporting a wide range of functionalities within a single chip