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以ＤＳ８０Ｃ３２０单片机为基础，结合ＭＡＸ１２０高速Ａ／Ｄ转换芯片，阐述了１２位Ａ／Ｄ转换芯片和８位单片机的接口原理，建立了１２位高速数据采集系统。
Based on the DS80C320 microcontroller and MAX120 high-speed A / D converter chip, the interface principle of 12-bit A / D conversion chip and 8-bit single chip microcomputer is expounded. A 12-bit high-speed data acquisition system is established.