ST7735
10.2.8 PWCTR3 (C2h): Power Control 3 (in Normal mode/ Full colors)
C2H
PWCTR3 (Power Control 3)
Inst / Para
D/CX
WRX
RDX
D17-8 D7
D6
1
D5
0
D4
0
D3
0
D2
D1
D0
HEX
PWCTR3
1st parameter
2nd parameter 1
0
↑
↑
↑
1
1
1
-
-
-
1
0
0
0
1
0
(C2h)
1
0
0
0
0
APA2
DCA2
APA1
DCA1
APA0
DCA0
0
0
0
0
-Set the amount of current in Operational amplifier in normal 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]
000
Amount of Current in Operational Amplifier
00h
01h
02h
03h
04h
05h
06h
07h
Operation of the operational amplifier stops
001
Small
010
Medium Low
Medium
011
100
Medium High
Large
101
110
Reserved
Reserved
111
Description
-Set the Booster circuit Step-up cycle in Normal mode/ full colors
.
DC[2:0]
000
Step-up cycle in Booster circuit 1
00h BCLK / 1
Step-up cycle in Booster circuit 2,4
BCLK / 1
BCLK / 2
BCLK / 4
BCLK / 2
BCLK / 4
BCLK / 4
BCLK / 8
BCLK / 16
001
01h BCLK / 1
02h BCLK / 1
03h BCLK / 2
04h BCLK / 2
05h BCLK / 4
06h BCLK / 4
07h BCLK / 4
010
011
100
101
110
111
Note: BCLK is Clock frequency for Booster circuit
Restriction -If this register not using the register need be reserved
.
Status
Availability
Yes
Normal Mode On, Idle Mode Off, Sleep Out
Normal Mode On, Idle Mode On, Sleep Out
Partial Mode On, Idle Mode Off, Sleep Out
Partial Mode On, Idle Mode On, Sleep Out
Sleep In
Yes
Yes
Yes
Yes
Register
Availability
Status
Default Value
C2h
Default
Power On Sequence
S/W Reset
H/W Reset
01h/01h
01h/01h
01h/01h
V1.7
131
2009-12-04