STMicroelectronics ST72F324BK6T3 8-Bit Microcontroller IC with 32KB Flash

High-Performance Embedded Solutions with ST7 Architecture

The STMicroelectronics ST72F324BK6T3 represents a powerful 8-bit microcontroller solution designed for demanding embedded applications. This device combines STMicroelectronics' proven ST7 core architecture with modern peripheral integration, making it ideal for industrial control systems, consumer electronics, and automotive applications. With 32KB of FLASH memory and a robust 32-LQFP surface-mount package, this microcontroller delivers reliable performance in challenging environments while maintaining design flexibility.

Technical Excellence in Embedded Design

At its core, the ST72F324BK6T3 features an enhanced ST7 processor running at 8MHz, offering optimized code execution through its advanced instruction set. The device's 32KB FLASH memory (organized as 32K x 8) provides ample storage for complex firmware implementations while supporting in-field programming capabilities. Complementing this is 1KB of RAM (organized as 1K x 8) for efficient data handling during program execution.

One of the standout features is its comprehensive peripheral set, including 12-channel 10-bit analog-to-digital conversion (A/D 12x10b) and multiple communication interfaces. The integrated SPI and SCI modules enable seamless connectivity to external sensors, displays, and communication modules. Additionally, the device incorporates essential protection mechanisms like low-voltage detection (LVD), power-on reset (POR), and watchdog timer (WDT) to ensure system reliability in critical applications.

Industrial-Grade Reliability

This microcontroller is engineered to withstand extreme operating conditions, with a specified temperature range from -40°C to 125°C. Its 3.8V to 5.5V wide voltage supply range makes it suitable for both regulated and fluctuating power environments. The 32-LQFP package format offers excellent thermal performance while maintaining a compact footprint for space-constrained designs.

Design Flexibility and Applications

The ST72F324BK6T3's combination of performance and peripheral integration makes it particularly well-suited for applications requiring precise analog measurements and reliable digital control. Typical use cases include industrial automation systems, smart sensors, motor control applications, and consumer electronics requiring multiple I/O interfaces. The device's internal oscillator eliminates the need for external timing components, reducing system complexity and cost.

As part of STMicroelectronics' ST7 family, this microcontroller benefits from the company's extensive ecosystem of development tools and software libraries. Engineers can leverage existing code bases and reference designs to accelerate time-to-market while taking advantage of the part's advanced features like programmable pulse-width modulation (PWM) generation and multiple sleep modes for power-sensitive applications.

Future-Proof Design Considerations

While currently in 'Not For New Designs' status, the ST72F324BK6T3 remains a viable option for established systems requiring proven reliability. Designers should consider implementing robust supply chain management strategies to ensure long-term availability, particularly for applications with extended production lifecycles. The device's standard 32-LQFP package facilitates easy sourcing from multiple distributors while maintaining compatibility with automated assembly processes.

Tags: Microcontroller IC, Embedded Systems, Industrial Control, Low Power Electronics, LQFP Package