GPS 定位 校时 G591B G591模块产品定义书 1.GPS芯片 :基于 JRC第九代单芯片SH319方案 2.卫星信道 :88通道, (66个捕获通道,22个追踪通道) 3.频率 :L1, 1.57542 GHz, C/A 码 4.启动时间 :<1.5s(热启),<34s(温启),<35s(冷启) 5.功耗 :38mW typical@tracking 6.GPS精度 :<2.5m Position Accuracy； 0.

一种多功能频率计，由门电路和单片机实现，0.1-10M的信号频率测量，效果理想！-A multifunctional Cymometer from gate circuit and ,0.1-10M single-chip realization of the signal frequency measurement, the results are satisfactory!

本程序利用MSP430单片机的定时/比较功能检测输入脉冲的频率，并给出相应的I/O口输出量-This procedure using MSP430 single chip timer/comparison function detecting the frequency of the input pulse, and gives the corresponding I/O port output