ST7735
10.1.3 RDDID (04h): Read Display ID
04H
RDDID (Read Display ID)
Inst / Para
D/CX
WRX
RDX
D17-8 D7
D6
D5
D4
D3
D2
D1
D0
HEX
(04h)
-
RDDID
0
1
1
1
1
↑
1
1
1
1
1
↑
↑
↑
↑
-
-
-
-
-
0
0
0
0
0
1
0
0
1st parameter
2nd parameter
3rd parameter
4th parameter
-
-
-
-
-
-
-
-
ID17
1
ID16
ID26
ID36
ID15
ID25
ID35
ID14
ID24
ID34
ID13
ID23
ID33
ID12
ID22
ID32
ID11
ID21
ID31
ID10
ID20
ID30
ID37
-This read byte returns 24-bit display identification information.
-The 1st parameter is dummy data
-The 2nd parameter (ID17 to ID10): LCD module’s manufacturer ID.
-The 3rd parameter (ID26 to ID20): LCD module/driver version ID
-The 4th parameter (ID37 to UD30): LCD module/driver ID.
Description
-Commands RDID1/2/3(DAh, DBh, DCh) read data correspond to the parameters 2,3,4 of the command 04h,
respectively.
“-“ Don’t care
Default Value
Status
ID1
ID2
ID3
Default
Power On Sequence
S/W Reset
-
-
-
NV Value
NV Value
NV Value
NV Value
NV Value
NV Value
H/W Reset
Flow Chart
V1.7
81
2009-12-04
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
