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
ST72F324/ACTSTMicroelectronics