ST72F324BK4T6 8-Bit MCU with 16KB Flash and 32-LQFP Package

ST72F324BK4T6: High-Performance 8-Bit Microcontroller for Embedded Systems

The ST72F324BK4T6 represents a robust solution for embedded applications requiring reliable performance and compact design. This 8-bit microcontroller from STMicroelectronics' ST7 family combines advanced peripheral integration with a 16KB Flash memory architecture, making it ideal for industrial automation, consumer electronics, and automotive control systems. With its 8MHz processing speed and versatile connectivity options, this device delivers exceptional functionality in a space-constrained 32-LQFP package.

Core Architecture and Processing Power

At the heart of the ST72F324BK4T6 lies STMicroelectronics' proprietary ST7 core, optimized for efficient code execution and low-power operation. The 8-bit architecture maintains backward compatibility with existing ST7 designs while introducing enhanced peripheral sets and memory configurations. Operating at 8MHz, the device achieves 1MIPS (Million Instructions Per Second) performance through its optimized instruction set, enabling real-time processing capabilities for time-critical applications.

Memory Configuration and Storage Capabilities

The microcontroller features 16KB of Flash program memory (organized as 16K x 8), providing ample space for complex firmware implementations while maintaining in-field reprogrammability. This non-volatile memory supports over 10,000 write/erase cycles, ensuring long-term reliability in demanding environments. Complementing the Flash architecture, 512 x 8 of RAM delivers efficient data handling for temporary storage requirements during program execution.

Peripheral Integration and Connectivity

Engineered for embedded system versatility, the ST72F324BK4T6 integrates a comprehensive suite of peripherals including:

• 12-channel 10-bit analog-to-digital converter (A/D)
• Watchdog timer (WDT) for system reliability
• Programmable voltage detector (LVD) for power monitoring
• Power-on reset (POR) circuitry
• 3-channel pulse-width modulation (PWM) controllers

Communication capabilities are enhanced through built-in Serial Communication Interface (SCI) and Serial Peripheral Interface (SPI) modules, facilitating seamless integration with sensors, displays, and other peripheral devices.

Package Design and Environmental Specifications

Housed in a 32-lead Low-Profile Quad Flat Package (LQFP), the device offers surface-mount compatibility while maintaining excellent thermal performance. The industrial temperature rating (-40°C to +85°C) ensures reliable operation in harsh environments, making it suitable for automotive, industrial, and outdoor applications. The 3.8V-5.5V operating voltage range provides flexibility in power supply design while maintaining stable operation across varying conditions.

Design Advantages and Application Scenarios

The ST72F324BK4T6's combination of performance, memory, and peripheral integration makes it particularly well-suited for:

• Home appliance control systems
• Industrial motor control applications
• Automotive sensor interfaces
• Smart energy meters
• Medical instrumentation devices

Its compact 32-LQFP package enables integration into space-constrained designs while maintaining 24 programmable I/O lines for flexible peripheral connectivity. The internal oscillator eliminates the need for external timing components, reducing overall system cost and complexity.

Tags: Microcontroller, Embedded Solutions, Industrial Electronics