摘要
介绍了一种应用于交通信号控制系统的实时时钟设计。系统硬件平台基于ARM9微处理器,使用SPI通讯功能对实时时钟进行读/写/控制。本设计硬件电路简单、可靠性高、成本低、使用方便。
Design of real time clock applied to traffic signal control system is introduced. The system is designed based on ARM9 micro-processor, and using SPI to read/write/control the real time clock. There are some advantages in this design of real time clock, such as the simple hardware design, reliability, low cost, and easy using.
出处
《机电工程技术》
2006年第4期56-57,66,共3页
Mechanical & Electrical Engineering Technology
