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參數(shù)資料
| 型號： | GDM12864A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Liquid Crystal Display Module |
| 中文描述： | 液晶顯示模塊 |
| 文件頁數(shù)： | 21/22頁 |
| 文件大?。?/td> | 198K |
| 代理商： | GDM12864A |
64CH Segment Driver For Dot Matrix LCD
19
1998 Intech LCD Group Ltd.
Display Control Instruction
The display control instructions control the internal state of the KS0108B. Instruction is received from MPU
to KS0108B for the display control. The following table shows various instructions.
Instruction
RS
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Function
Read Display
Date
1
1
Read data
Reads data (DB[7:0]) from
display data RAM to the
data bus.
Writes data (DB[7:0]) into
the DDRAM. After writing
instruction, Y address is
incriminated by 1
automatically
Reads the internal status
BUSY
0: Ready
1: In operation
ON/OFF
0: Display ON
1: Display OFF
RESET
0: Normal
1: Reset
Sets the Y address at the
column address counter
Indicates the Display Data
RAM displayed at the top of
the screen.
Sets the X address at the X
address register.
Controls the display ON or
OFF. The internal status and
the DDRAM data is not
affected.
0: OFF, 1: ON
Write Display
Date
1
0
Write data
Status Read
0
1
Busy
0
ON/
OFF
Re-
set
0
0
0
0
Set Address
(Y address)
0
0
0
1
Y address (0~63)
Set Display
Start Line
0
0
1
1
Display start line (0~63)
Set Address (X
address)
0
0
1
0
1
1
1
Page (0~7)
Display On/off
0
0
0
0
1
1
1
1
1
0/1
1. Display On/Off
The display data appears when D is 1 and disappears when D is 0.
Though the data is not on the screen with D=0, it remains in the display data RAM.
Therefore, you can make it appear by changing D=0 into D=1.
RS
R/W
DB7
DB6
DB5
0
0
0
0
1
DB4
1
DB3
1
DB2
1
DB1
1
DB0
D
2. Set Address (Y Address)
Y address (AC0~AC5) of the display data RAM is set in the Y address counter.
An address is set by instruction and increased by 1 automatically by read or write operations of
display data.
RS
0
R/W
0
DB7
0
DB6
1
DB5
AC5
DB4
AC4
DB3
AC3
DB2
AC2
DB1
AC1
DB0
AC0
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