GDM240128A Datasheet, PDF (15/29 Pages) List of Unclassifed Manufacturers – LCD MODULE

User’s Manual
N0: 1/0, cursor blink on/off
N1: 1/0, cursor display on/off
N2: 1/0, text display on/off
N3: 1/0, graphic display on/off
5-6-5． Cursor pattern select, format is shown as below: no parameter
1
0
1
0
0
N2 N1 N0
The cursor pattern in 8 dots(segment)×N(line). The value of N is in the
range of 1 line to 8 lines (00H~07H).
5-6-6． Data auto read/write mode: no parameter
1
0
1
1
0
0
N1 N0
Using this command, MPU could continuously read/write the data in
DDRAM without inputting the read/write command every time. The address
pointer is automatically increased by 1 after each datum. The Auto reset
command must be sent after all data have been sent, to clear Auto mode.
N1 and N0 function as below:
N1 N0
Code
Function
0
0
B0H
Set data auto write
0
1
B1H
Set data auto read
1
* B2H/B3H
Auto reset
5-6-7． Data read/write mode, the format is shown below: D1,
1
1
0
0
0
N2 N1 N0
D1
N2 N1 N0
Code
function
Data
0 00
C0H
Data write, ADP+1
Data
0 01
C1H
Data read, ADP+1
Data
——
0 10
0 11
C2H
C3H
Data write, ADP-1
Data read, ADP-1
Data
1 00
C4H
Date write, same ADP
——
1 01
C5H
Date read, same ADP
5-6-8．Screen peek, the format of command is as follows: no parameter
1
1
1
0
0
0
0
0
This command is used to transfer 1 byte of displayed data positioned by
current address pointer to the data stack; this byte can then be read from
the MPU by data access. The logical combination of text and graphic
display data on the LCD screen can be read by this command. The address
pointer should be set in graphic area.
5-6-9．Screen copy, the format of command is as follows: no parameter
1
1
1
0
1
0
0
0
The command copies a single raster line of data positioned by the address
pointer (in graphic area) to the corresponding area in the graphic area. If the
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