ST7628
9.1.3 RDDID: Read Display ID (04h)
Command
RDDID
A0
0
/RD /WR
D7
0
D6
0
D5
0
D4
0
D3
0
D2
1
D1
0
D0
0
Hex
(04h)
1
0
0
0
0
0
1
1
1
1
-
-
-
-
1
-
-
-
-
-
-
-
-
Dummy Read
1
ID17 ID16 ID15 ID14 ID13 ID12 ID11 ID10
ID26 ID25 ID24 ID23 ID22 ID21 ID20
ID37 ID36 ID35 ID34 ID33 ID32 ID31 ID30
2
3
4
nd parameter
rd parameter
th parameter
1
1
1
NOTE: “-“ Don’t care
Description
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 ID30): LCD module/driver ID.
NOTE: Commands RDID1/2/3(DAh, DBh, DCh) read data correspond to the parameters 2,3,4
of the command 04h, respectively.
Restriction
Register
Status
Availability
Yes
Availability
Normal Mode On, Idle Mode Off, Sleep Out
Normal Mode On, Idle Mode On, Sleep Out
Partial Mode On, Idle Mode Off, Sleep Out
Partial Mode On, Idle Mode On, Sleep Out
Sleep In
Yes
Yes
Yes
Yes
Default
Status
Default Value
ID1
45h
45h
45h
ID2
ID3
Power On Sequence
S/W Reset
D2h
D2h
D2h
0Eh
0Eh
0Eh
H/W Reset
Ver 1.4
74/213
2008/08
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
