摘要
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位的A/D转换器输入通道,60Hz范围内有20位有效分辨率,失调漂移10nV/℃,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USBV1.1,通讯波特率可达50b/s～2Mb/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 control in medicine equipment, industrial control and so on.
出处
《电子设计工程》
2009年第6期38-40,共3页
Electronic Design Engineering
