基于TM4C123系列单片机的频率测量系统设计

Design of Frequency Measurement System Based on TM4C123 Microcontroller

随着电子技术的不断发展,对精确的频率测量提出了越来越高的要求。TM4C123系列单片机是由ARM公司推出的基于ARMv7架构的高性能、低功耗32位处理器,具有高效的信号处理及浮点运算功能。设计基于TM4C123单片机的频率测量系统,通过周期性矩形脉冲产生的上升沿或下降沿中断来捕获相关的频率信息。具有结构简单、测量精度高、系统成本低等优点。

With the continuous development of electronic technology, more and more high requirements are put forward for accurate frequency measurement. The TM4 C123 family of microcontrollers is a high-performance, low-power,32-bit processor based on the ARMv7 architecture from ARM Corporation with efficient signal processing and floating-point arithmetic. The frequency measurement system based on TM4 C123 is designed to capture the relevant frequency information by the rising or falling edge of the periodic rectangular pulse. Has the advantages of simple structure, high measurement accuracy, low system cost.