Datasheet

ST7735
V1.7 135 2009-12-04
10.2.10 PWCTR5 (C4h): Power Control 5 (in Partial mode/ full-colors)
C4H PWCTR5 (Power Control 5)
Inst / Para D/CX WRX RDX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
PWCTR5 0 ↑ 1 - 1 1 0 0 0 1 0 0 (C4h)
1
st
parameter 1 ↑ 1 - 0 0 0 0 0
APC2
APC1
APC0
2
nd
parameter 1 ↑ 1 - 0 0 0 0 0 DCC2 DCC1 DCC0
Description
-Set the amount of current in Operational amplifier in Partial mode/ full-colors.
-Adjust the amount of fixed current from the fixed current source in the operational amplifier for the source driver .
AP[2:0] Amount of Current in Operational Amplifier
000 00h Operation of the operational amplifier stops
001 01h Small
010 02h Medium Low
011 03h Medium
100 04h Medium High
101 05h Large
110 06h Reserved
111 07h Reserved
-Set the Booster circuit Step-up cycle in Partial mode/ full-colors .
DC[2:0] Step-up cycle in Booster circuit 1 Step-up cycle in Booster circuit 2,4
000 00h BCLK / 1 BCLK / 1
001 01h BCLK / 1 BCLK / 2
010 02h BCLK / 1 BCLK / 4
011 03h BCLK / 2 BCLK / 2
100 04h BCLK / 2 BCLK / 4
101 05h BCLK / 4 BCLK / 4
110 06h BCLK / 4 BCLK / 8
111 07h BCLK / 4 BCLK / 16
Note: BCLK is Clock frequency for Booster circuit
Restriction - If this register not using the register need be reserved.
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
C4h
Power On Sequence 02h/04h
S/W Reset 02h/04h
H/W Reset 02h/04h