ST7735
10.2.12 VMOFCTR (C7h): VCOM Offset Control
C7H
Inst / Para
VMOFCTR
Parameter
VMOFCTR (VCOM Offset Control)
D/CX
WRX RDX D17-8
D7
1
D6
1
D5
0
D4
0
D3
0
D2
1
D1
1
D0
1
HEX
0
1
↑
↑
1
1
-
-
(C7h)
-
-
-
VMF4 VMF3 VMF2 VMF1 VMF0
-Set VCOM Voltage level for reduce the flicker issue
VMF (hex)
00h
01h
02h
|
VMF[4:0]
00000
00001
00010
|
VCOMH,VCOML Output Level
“VMH” -16d,”VML”-16d
“VMH”-15d, “VML”-15d
“VMH”-14d, “VML”-14d
|
0Eh
0Fh
10h
11h
12h
|
01110
01111
10000
10001
10010
|
“VMH”-2d, “VML”-2d
“VMH”-1d, “VML”-1d
“VMH”, “VML”
Description
“VMH”+1d, “VML”+1d
“VMH”+2d, “VML”+2d
|
1Eh
1Fh
11110
11111
“VMH”+14d, “VML”+14d
“VMH”+15d, “VML”+15d
- 1d=25mV, 2d=50mV 3d=75mv....
- 2.5V <= VMH ± nd <= 5.0V; -2. 5V <= VML ± nd<= 0V (n=0~15,16)
-If this register not using the register need be reserved.
Restriction
Status
Availability
Yes
Yes
Yes
Yes
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
Register
Availability
Yes
Status
Default Value
C7h
F0h
F0h
F0h
Power On Sequence
S/W Reset
H/W Reset
Default
Flow Chart
V1.7
140
2009-12-04
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
