RA8835A 参数 Datasheet PDF下载

RA8835A

1.0版

点阵LCD控制器

章

目录

网页

1.概述.........................................................................................................6

2.特点..........................................................................................................6

3座Diagram................................................................................................6

四，包装..........................................................................................................7

5.引脚Descriptions.............................................................................................7

5-1引脚功能................................................................................................................7

5-1-1 MCU接口.......................................................................................................................................7

5-1-2显示内存控制......................................................................................................................8

5-1-3 LCD驱动信号................................................................................................................................9

5-1-4振荡器和Power............................................................................................................................9

5-2 RA8835A引脚Summary...............................................................................................10

6.指令集.............................................. ................................................ 11

6-1命令Set.......................................................................................................11

6-2系统控制命令............................................ ........................................... 12

6-2-1系统SET...................................................................................................................................... 12

6-2-2睡觉............................................................................................................................................ 20

6-3显示控制命令............................................ ........................................... 21

6-3-1 DISP ON/OFF...................................................................................................................................... 21

6-3-2 SCROLL.............................................................................................................................................. 23

6-3-3 CSRFORM .......................................................................................................................................... 27

6-3-4 CSRDIR............................................................................................................................................... 28

6-3-5 OVLAY ................................................................................................................................................ 29

6-3-6 CGRAM ADR ......................................................................................................................................三十

6-3-7 H点SCR.......................................................................................................................................... 31

6-4绘图控制命令............................................ .......................................... 32

6-4-1 CSRW.................................................................................................................................................. 32

6-4-2 CSRR .................................................................................................................................................. 32

6-5内存控制命令............................................ .......................................... 33

6-5-1 MWRITE .............................................................................................................................................. 33

6-5-2 MREAD ............................................................................................................................................... 33

7.功能说明.............................................. ................................... 34

7-1单片机总线接口......................................................................................................34

7-1-1 8080 Series......................................................................................................................................... 34

7-1-2 6800 Series......................................................................................................................................... 34

7-2 MCU同步............................................. .................................................. ..34

7-2-1显示状态指示Output..................................................................................................... 34

7-2-2内部寄存器访问.................................................................................................................. 35

7-2-3显示内存访问................................................................................................................... 35

7-3 MCU接口的例子............................................ ................................................ 36

7-3-1 Z80到RA8835A接口................................................................................................................. 36

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