摘要
本文介绍了用单片机测量频率和作为频率源的测控系 统。简述了系统的工作原理、硬件结构和软件设计。
A singlechip-composed system for use as frequency reference source and frequency meter is introduced in this article.The hardware, sofeware and principle of system are alse described in brief.
出处
《山东电子》
2001年第1期31-32,共2页
Shandong Electronics
关键词
单片机
TTL
电平频率源
频率计
Singlechip Transistor-transistor logic level Voltage controlled oscillator Up-processing unit
