Datasheet-2

a-Si TFT LCD Single Chip Driver
132RGBx162 Resolution and 262K color
ILI9163C
Page 166 of 200 Version:0.09
14.2.51 VCOM Offset Control (C7h)
C7H VCOM Offset Control
D/CX RDX WRX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
Command 0 1  x 1 1 0 0 0 1 1 1 C7h
1
st
Parameter
1 1  0 nVM* VMF6 VMF5 VMF4 VMF3 VMF2 VMF1 VMF0 40h
Description
-Set VCOMH Voltage
VMF[6:0] VCOMH Output VCOML Output Level
0 “VMH” “VML”
1 “VMH”-63d “VML”-63d
2 “VMH”-62d “VML”-62d
: : :
62 “VMH”-2d “VML”-2d
63 “VMH”-1d “VML”-1d
64 “VMH” “VML”
65 “VMH”+1d “VML”+1d
66 “VMH”+2d “VML”+2d
: : :
126 “VMH”+62d “VML”+62d
127 “VMH”+63d “VML”+63d
If “VMH”+xd or “VML”+xd is less than 0d, it becomes 0d
If “VMH”+xd or “VML”+xd is large than 100d, it becomes 100d
VMF[5:0] are stored in NV memoy to contrast
-Select the VMF[6:0]value
nVM VMF[6:0] value
0 VCOM offset value from NV memory
1 VCOM offset value in the VMF[6:0] registers
Restriction
-If this register not use the register need be reserved.
-To control the VCOM output voltage with VMF[5::0] command, nVM parameter should be set ‘1’
Register
Availability
Status Availability
Normal Mode On, Idle Mode Off, Sleep Out Yes
Normal Mode On, Idle Mode On, Sleep Out Yes
Partial Mode On, Idle Mode Off, Sleep Out Yes
Partial Mode On, Idle Mode On, Sleep Out Yes
Sleep In Yes
Default
Status Default Value VMF[6:0]
Power On Sequence 40h
SW Reset 40h
HW Reset 40h