File list (Check if you may need any files):
6.矩阵键盘1602显示
..................\4x4薄膜按键 矩阵键盘.JPG
..................\接口说明.txt
..................\汇编
..................\....\lcd+button
..................\....\lcd+button.hex
..................\....\lcd+button.lnp
..................\....\lcd+button.M51
..................\....\lcd+button.Opt
..................\....\lcd+button.plg
..................\....\lcd+button.Uv2
..................\....\lcd+button_Opt.Bak
..................\....\lcd+button_Uv2.Bak
..................\....\lcd1602jz.LST
..................\....\lcd1602jz.OBJ
..................\....\矩阵键盘4x4--LCD1602.asm
..................\....\矩阵键盘4x4--LCD1602.LST
..................\....\矩阵键盘4x4--LCD1602.OBJ
..................\薄膜按键电路图.JPG