The pin function and control command of the SMC1640A programmable Liquid Crystal Display are introduced in this paper, Its interface circuit with 80C196KCmonolithic microcomputer and display programs are designed.

• 本文介绍了SMC1640A可编程液晶显示器的引脚功能、控制命令，并且提出了其与80C196KC单片机的接口电路、显示程序设计。