Datasheet

ST7735
V1.7 128 2009-12-04
10.2.6 PWCTR1 (C0h): Power Control 1
C0H PWCTR1 (Power Control 1)
Inst / Para D/CX WRX RDX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
PWCTR1 0 ↑ 1 - 1 1 0 0 0 0 0 0 (C0h)
1
st
paramete 1 ↑ 1 - 0 0 0 VRH4 VRH3 VRH2 VRH1 VRH0
2
nd
parameter 1 ↑ 1 - 0 1 IB_SEL1IB_SEL0- 0 0 0
Description
-Set the GVDD voltage
Note: AVDD=5.3V
VRH[4:0] GVDD
00000 00h 5.00
00001 01h 4.75
00010 02h 4.70
00011 03h 4.65
00100 04h 4.60
00101 05h 4.55
00110 06h 4.50
00111 07h 4.45
01000 08h 4.40
01001 09h 4.35
01010 0Ah 4.30
01011 0Bh 4.25
01100 0Ch 4.20
01101 0Dh 4.15
01110 0Eh 4.10
01111 0Fh 4.05
10000 10h 4.00
10001 11h 3.95
10010 12h 3.90
10011 13h 3.85
10100 14h 3.80
10101 15h 3.75
10110 16h 3.70
10111 17h 3.65
11000 18h 3.60
11001 19h 3.55
11010 1Ah 3.50
11011 1Bh 3.45
11100 1Ch 3.40
11101 1Dh 3.35
11110 1Eh 3.25
11111 1Fh 3.00
Restriction
-If this register not using the register need be reserved.
-The deviation value of GVDD between with Measurement and Specification : Max <= 50mV
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
IB_SEL[1:0] AVDD
00 00h 2.5uA
01 01h 2.0uA
10 02h 1.5uA
11 03h 1.0uA