2008•Microcomputer InformationRequires access

Design of High Precise Data Acquisition System Based on MCU and CPLD

H Uang

Abstract

A new method of multi-channel and high speed data acquisition system based on the CPLD and MCU is proposed in this paper. AD7656 and AD7864 are used to realize multi channel synchronized sampling or asynchronized sampling. While the ADC is logically controlled by the CPLD, the converted data are processed by the MCU. The practical testing result indicated that the de-signed multi- channel data acquisition system based on the CPLD and MCU is able to efficiently complete the ADC in the practical applications.

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Available abstract

Key concepts: Complex programmable logic device, Microcontroller, Computer science, Data acquisition, Computer hardware, Sampling (signal processing), Channel (broadcasting), Embedded system