本文介绍一种多通道的 12 位串行A/D 转换器TLV2543 的功能特点和工作过程,讨 论了软件编程输入数据对器件工作方式的选择,简要叙述了器件时的工作时序,并给出 TLV2543 与8751 的应用硬件接口电路和软件程序清单。 关键词: 串行接口 A/D 转换器控制字 工作时序 Abstract: This paper introduces functional characteristics and working process of TLV2543C, a kind of multi-channel serial 12-Bit A/D converter, discusses the choice of control byte to TLV2543C's working mode, describes briefly its conversion timing, offers also its interface circuit with 8751 and software program. Keywords: Serial interface A/D converter Control byte Working timing