ST7735R
V0.2 134 2009-08-05
10.2.7 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 D5 D4 D3 D2 D1 D0 HEX
PWCTR3
0 ↑ 1 - 1 1 0 0 0 0 1 0 (C2h)
1
st
parameter
1 ↑ 1 - DCA9
DCA8
SAPA2
SAPA1
SAPA0
APA2
APA1
APA0
2
nd
parameter
1 ↑ 1 - DCA7
DCA6
DCA5
DCA4
DCA3
DCA2
DCA1
DCA0
Description
-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] Amount of Current in Operational Amplifier
000
Operation of the operational amplifier stops
001 Small
010 Medium Low
011 Medium
100 Medium High
101 Large
110 Reserved
111 Reserved
SAP[2:0] Amount of Current in Operational Amplifier
000
Operation of the operational amplifier stops
001 Small
010 Medium Low
011 Medium
100 Medium High
101 Large
110 Reserved
111 Reserved
-Set the Booster circuit Step-up cycle in Normal mode/ full colors.
DCA[9:8] DCA[7:6] DCA[5:4] DCA[3:2] DCA[1:0]
00 BCLK/1 BCLK/1 BCLK/1 BCLK/1 BCLK/1
01 BCLK/1.5 BCLK/1.5 BCLK/1.5 BCLK/1.5 BCLK/1.5
10 BCLK/2 BCLK/2 BCLK/2 BCLK/2 BCLK/2
11 BCLK/4 BCLK/4 BCLK/4 BCLK/4 BCLK/4
Note: BCLK is Clock frequency for Booster circuit
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
C2h
Power On Sequence 0Ah/00h
S/W Reset 0A h/00h
H/W Reset 0A h/00h