Datasheet

ST7735
V1.7 130 2009-12-04
10.2.7 PWCTR2 (C1h): Power Control 2
C1H PWCTR2 (Power Control 2)
Inst / Para D/CX WRX RDX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
PWCTR2 0 ↑ 1 - 1 1 0 0 0 0 0 1 (C1h)
1
st
parameter 1 ↑ 1 0 0 0 0 0 BT2 BT1 BT0
Description
-Set the VGH and VGL supply power level
BT[2:0] VGH VGL
000 4X 9.8 -3X -7.35
001 4X 9.8 -4X -9.8
010 5X 12.25 -3X -7.35
011 5X 12.25 -4X -9.8
100 5X 12.25 -5X -12.25
101 6X 14.7 -3X -7.35
110 6X 14.7 -4X -9.8
111 6X 14.7 -5X -12.25
Restriction
-If this register not using the register need be reserved.
-The deviation value of VGH/ VGL between with Measurement and Specification: Max <= 1V
-VGH-VGL <= 32V
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
C1h
Power On Sequence 05h
S/W Reset 05h
H/W Reset 05h
Flow Chart