2012•Keisou gijutsuRequires access

Hardware Design of S3C2440-based Multi-channel Synchronous Data Acquisition and Control System

Hei Jin-long

Abstract

A method of hardware design of Multi-channel synchronous data acquisition and output control system is introduced based on the S3C2440.It uses the AD chip ADS8556 and DA chip DA8574 produced by Texas Instruments,respectively using the SPI interface and I2C interface to connect with S3C2440.System can realize multi-channel synchronous,high-speed,high-precision data acquisition and output control.And it can be applied in the feedback control system of atomic force microscopy.

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Key concepts: Interface (matter), Computer hardware, Data acquisition, Chip, Channel (broadcasting), Computer science, Embedded system, Control (management)