电阻焊控制系统中ZLG7290接口的实现  

Realization of ZLG7290 Interface in Resistance Butt Welding Control System

作　　者：蒋莉[1] 冀春涛[1] 沈华西[1] 

机构地区：[1]南昌航空大学航空制造工程学院,江西南昌330063

出　　处：《仪表技术与传感器》2012年第2期90-92,共3页Instrument Technique and Sensor

摘　　要：以AT89C51单片机为核心,采用I2C总线接口芯片ZLG7290作为外扩芯片对键盘及显示电路进行驱动控制,实现了基于I2C串行通信的系统键盘输入及显示输出,讨论了系统硬件设计方案、软件设计思想以及编程实例。该方案简化了电路结构,提高了系统的抗干扰性和可维护性。In order to expand the I/O capability of an embedded system with the AT89C51 single chip controller as a core, ZLG7290 with I2C interface was used for keyboard and display drivers. This paper discussed the system hardware and software design. The design simplified the circuit structure and improved the system noise immunity and maintainability.

关 键 词：单片机 I2C ZLG7290 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]