Data Sheet
a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
ILI9341
The information contained herein is the exclusive property of ILI Technology Corp. and shall not be distributed,
reproduced, or disclosed in whole or in part without prior written permission of ILI Technology Corp.
Page 178 of 233
8.3.16. Power Control 1 (C0h)
C0h PWCTRL 1 (Power Control 1)
D/CX
RDX
WRX
D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
Command 0 1
↑
XX 1 1 0 0 0 0 0 0 C0h
1
st
Parameter
1 1
↑
XX 0 0 VRH [5:0] 21
Description
VRH [5:0]:
Set the GVDD level, which is a reference level for the VCOM level and the grayscale voltage level.
VRH [5:0] GVDD
VRH [5:0] GVDD
0
0
0
0
0
0
Setting prohibited
1
0
0
0
0
0
4.45 V
0
0
0
0
0
1
Setting prohibited
1
0
0
0
0
1
4.50 V
0
0
0
0
1
0
Setting prohibited
1
0
0
0
1
0
4.55 V
0
0
0
0
1
1
3.00 V
1
0
0
0
1
1
4.60 V
0
0
0
1
0
0
3.05 V
1
0
0
1
0
0
4.65 V
0
0
0
1
0
1
3.10 V
1
0
0
1
0
1
4.70 V
0
0
0
1
1
0
3.15 V
1
0
0
1
1
0
4.75 V
0
0
0
1
1
1
3.20 V
1
0
0
1
1
1
4.80 V
0
0
1
0
0
0
3.25 V
1
0
1
0
0
0
4.85 V
0
0
1
0
0
1
3.30 V
1
0
1
0
0
1
4.90 V
0
0
1
0
1
0
3.35 V
1
0
1
0
1
0
4.95 V
0
0
1
0
1
1
3.40 V
1
0
1
0
1
1
5.00 V
0
0
1
1
0
0
3.45 V
1
0
1
1
0
0
5.05 V
0
0
1
1
0
1
3.50 V
1
0
1
1
0
1
5.10 V
0
0
1
1
1
0
3.55 V
1
0
1
1
1
0
5.15 V
0
0
1
1
1
1
3.60 V
1
0
1
1
1
1
5.20 V
0
1
0
0
0
0
3.65 V
1
1
0
0
0
0
5.25 V
0
1
0
0
0
1
3.70 V
1
1
0
0
0
1
5.30 V
0
1
0
0
1
0
3.75 V
1
1
0
0
1
0
5.35 V
0
1
0
0
1
1
3.80 V
1
1
0
0
1
1
5.40 V
0
1
0
1
0
0
3.85 V
1
1
0
1
0
0
5.45 V
0
1
0
1
0
1
3.90 V
1
1
0
1
0
1
5.50 V
0
1
0
1
1
0
3.95 V
1
1
0
1
1
0
5.55 V
0
1
0
1
1
1
4.00 V
1
1
0
1
1
1
5.60 V
0
1
1
0
0
0
4.05 V
1
1
1
0
0
0
5.65 V
0
1
1
0
0
1
4.10 V
1
1
1
0
0
1
5.70 V
0
1
1
0
1
0
4.15 V
1
1
1
0
1
0
5.75 V
0
1
1
0
1
1
4.20 V
1
1
1
0
1
1
5.80 V
0
1
1
1
0
0
4.25 V
1
1
1
1
0
0
5.85 V
0
1
1
1
0
1
4.30 V
1
1
1
1
0
1
5.90 V
0
1
1
1
1
0
4.35 V
1
1
1
1
1
0
5.95 V
0
1
1
1
1
1
4.40 V
1
1
1
1
1
1
6.00 V
Note1: Make sure that VC and VRH setting restriction: GVDD (AVDD - 0.5) V.
Restriction EXTC should be high to enable this command
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
Default Value
Status
VRH [5:0]
Power ON Sequence
6’h21h
SW Reset 6’h21h
HW Reset 6’h21h