STMicroelectronics STR731FV2T7 32-bit ARM7 Microcontroller with 256KB Flash 100-LQFP
- Brand: STMicroelectronics
- Product Code: STR731FV2T7
- Availability: In Stock
$10.00
- Ex Tax: $10.00
STMicroelectronics STR731FV2T7: Advanced 32-bit ARM7 Microcontroller
In the evolving landscape of embedded systems, the STMicroelectronics STR731FV2T7 stands as a robust solution for developers seeking high-performance computing in compact form factors. This 32-bit ARM7® microcontroller, featuring 256KB of flash memory and a 100-LQFP package, represents a pivotal component for industrial automation, automotive electronics, and complex IoT applications. While marked as obsolete, its technical specifications continue to serve as a benchmark for modern embedded design requirements.
Technical Excellence in Embedded Processing
At the heart of the STR731FV2T7 lies the ARM7TDMI-S™ core, operating at 36MHz to deliver exceptional computational power. This architecture enables seamless execution of complex algorithms while maintaining backward compatibility with 16-bit Thumb® instructions. The device's 256KB flash memory provides ample space for sophisticated firmware implementations, while the 16KB RAM ensures efficient data handling in real-time applications.
The microcontroller's connectivity suite includes CANbus, I²C, SPI, and multiple UART/USART interfaces, creating a versatile communication framework. These interfaces facilitate integration with sensors, actuators, and external computing systems, making it ideal for industrial control systems and automotive networks where reliable data exchange is critical.
Core Specification | Peripheral Features |
---|---|
ARM7® 32-Bit Core | 72 General-Purpose I/O Pins |
36MHz Operating Speed | DMA Controller |
4.5V-5.5V Supply Range | 12x10-bit ADC Channels |
Industrial-Grade Performance
Engineered for demanding environments, the STR731FV2T7 operates across -40°C to 105°C temperature range, meeting stringent industrial standards. Its internal oscillator eliminates external timing components, while the watchdog timer (WDT) and power-on reset (POR) circuits ensure system reliability in mission-critical applications.
The device's 100-LQFP packaging combines space efficiency with thermal stability, making it suitable for compact designs in automotive control units, industrial automation systems, and embedded IoT gateways. The 72 I/O lines provide extensive connectivity options for peripheral devices, while the pulse-width modulation (PWM) controller enables precise motor and actuator control.
Legacy Innovation for Modern Applications
Though designated as obsolete, the STR731FV2T7's technical foundation continues to influence modern microcontroller design. Its combination of processing power, memory capacity, and industrial-grade specifications laid the groundwork for subsequent generations of embedded solutions. Engineers working on legacy systems maintenance or seeking proven reliability in new designs will find this microcontroller's architecture offers valuable insights into robust embedded system development.
When implementing this component in current projects, designers should consider its 4.5-5.5V supply requirements and surface-mount installation process. The device's CANbus interface remains particularly valuable for automotive applications requiring ISO 11898 compliance, while its SPI/I²C interfaces continue to support modern sensor networks.
Tags: Industrial Microcontrollers, Automotive Electronics, Embedded Systems, ARM Processors, LQFP Packages