|
|
字符型LCM的初始化
|
8位
|
RS
|
RW
|
DB7
|
DB6
|
DB5
|
DB4
|
DB3
|
DB2
|
DB1
|
DB0
|
|
开电源
|
|
|
|
|
|
|
|
|
|
|
|
等待15ms以上,VCC电压上升到4.5v
设定8位操作
|
0
|
0
|
0
|
0
|
1
|
1
|
*
|
*
|
*
|
*
|
|
等待4.1ms以上
设定8位操作
|
0
|
0
|
0
|
0
|
1
|
1
|
*
|
*
|
*
|
*
|
|
等待0.1ms以上
设定8位操作
|
0
|
0
|
0
|
0
|
1
|
1
|
*
|
*
|
*
|
*
|
|
设定行显示和字符点阵类型
|
0
|
0
|
0
|
0
|
1
|
1
|
N
|
F
|
*
|
*
|
|
关显示
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
清屏并且光标回原位
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
输入方式设定
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
I/O
|
s
|
|
