ST7628
9.1.9 RDDSM: Read Display Signal Mode (0Eh)
Command
RDDSM
A0
0
/RD /WR
D7
0
D6
0
D5
0
D4
0
D3
1
D2
1
D1
1
D0
0
Hex
(0Eh)
1
0
0
0
1
1
-
-
1
-
-
-
-
-
-
-
-
Dummy Read
1
D7
D6
0
0
0
0
0
0
2
nd parameter
NOTE: “-“ Don’t care
Description
This command indicates the current status of the display as described in the table below:
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Description
Value
Tearing Effect Line On/Off
Tearing effect line mode
Horizontal Sync. (RGB I/F) On/Off
Vertical Sync. (RGB I/F) On/Off
Pixel Clock (DCK, RGB I/F) On/Off
Data Enable (ENABLE, RGB I/F)
Not Used
“1” = On, “0” = Off
“0” = mode1, “1” = mode2
“0” (Not Used)
“0” (Not Used)
“0” (Not Used)
“0” (Not Used)
“0”
Not Used
“0”
Restriction
Register
Status
Availability
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
Yes
Default
Status
Default Value (D[7:0])
0000_0000 (00h)
0000_0000 (00h)
0000_0000 (00h)
Power On Sequence
S/W Reset
H/W Reset
Ver 1.4
86/213
2008/08
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
