ST72F321BAR9T6 - STMicroelectronics

Manufacturer Part Number

ST72F321BAR9T6

Manufacturer

STMicroelectronics

Introduction

The ST72F321BAR9T6 is an 8-bit microcontroller from the ST7 series designed for a broad range of applications, offering flexibility and durability in its operation.

Product Features and Performance

8-bit ST7 core processor running at 8MHz

Integrated I2C, SCI, SPI connectivity options for serial communication

Embedded Low Voltage Detect (LVD), Power-On Reset (POR), Pulse Width Modulation (PWM), Watchdog Timer (WDT) peripherals

Generous 48 I/O pins for extensive interface options

60KB flash program memory to store application code

2KB RAM for variable storage and operational data

Onboard 16-channel, 10-bit analog-to-digital converter

Internal oscillator for clock generation

Operation across a wide temperature range from -40°C to 85°C

Product Advantages

High program memory size for complex applications

Wide operating voltage range making it suitable for various power environments

Multiple embedded peripherals reduce additional component needs

Broad operating temperature range ensures reliability across different working conditions

Key Technical Parameters

Core Speed: 8MHz

Program Memory Size: 60KB

RAM Size: 2KB

I/O Count: 48

Voltage Supply: 3.8V to 5.5V

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Built-in Low Voltage Detection

Power-On Reset

Watchdog Timer to prevent system failure

Compatibility

Compatible with I2C, SCI, SPI protocols

Mountable on Surface Mount Technology (SMT) boards using 64-LQFP package

Application Areas

Industrial control systems

Consumer electronics

Automotive electronics

Embedded systems for monitoring and control

Product Lifecycle

Obsolete - Be aware of limited availability

Potential for replacement or upgrade options from STMicroelectronics' newer product lines

Several Key Reasons to Choose This Product

Extended program memory capacity to accommodate feature-rich applications

Diverse built-in communication interfaces for easy peripheral integration

Embedded safety features ensure robust and reliable operation

STMicroelectronics' reputation for producing dependable and versatile microcontrollers

Availability of an internal oscillator simplifies the design and reduces external component needs