此程序为三相电子表，具有485通讯功能，采集ADE7752计量芯片输出的计量脉冲，计量电能，驱动计度器并存储数据。-This program is three-phase electronic watches, with 485 communications capabilities, collecting ADE7752 measurement chip measurement of the output pulse, measuri

This document design a sample of energy meter using ADE7752 chip. It s useful for first test of energy meter.