期刊论文

中文

电子设计工程

1674-6236

2009

017

6

38-40

10.3969/j.issn.1674-6236.2009.06.015

本校为第一机构

利用ADuC845单片数据采集器件和CH341 USB接口器件构成的数据采集与控制系统,具有10个24住的A/D转换器输入通道,60 Hz范围内有20位有效分辨率,失调漂移10 nV/℃,12位电压输出D/A转换器,双16位PWM输出,8路开关量输入/输出,支持全速设备接口USB V1.1,通讯波特率可迭50 b/s～2 Mb/s,适用于医疗设备、工业控制系统等数据采集与控制领域.

The single data collection chip ADuC845 and the USB interface chip CH341 constitute date collection and control system,The system has ten 24-bit A/D converter input channels,and has 20-bit effective resolution in the range of 60Hz, offset drift is 10nV/℃,12-bit voltage output D/A converter,dual 16-bit PWM output,8-ehannel switch input/output,besides, supporting full-speed device interface USB VIA.The baud rate is from 50bps to 2Mbps in communications.The system is fit for data collection and c...