基于PIC18F458芯片，进行PROTEUS仿真，实现了LM4229（240*128）的菜单显示，带中断查询的按键人机交互功能-Based on the PIC18F458 chip, for PROTEUS simulation achieved LM4229 (240* 128) of the menu display, with interruption of the query man-machine interactive function keys