ST ST7735R - 10.2.8 PWCTR4 (C3 h): Power Control 4 (in Idle mode 8-colors)

ST7735R
V0.2 136 2009-08-05
10.2.8 PWCTR4 (C3h): Power Control 4 (in Idle mode/ 8-colors)
C3H PWCTR4 (Power Control 4)
Inst / Para
D/CX WRX RDX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
PWCTR4
0 ↑ 1 - 1 1 0 0 0 0 1 1 (C3h)
1
st
parameter
1 ↑ 1 - DCB9 DCB8 SAPB2 SAPB1 SAPB0 APB2 APB1 APB0
2
nd
parameter
1 ↑ 1 - DCB7 DCB6 DCB5 DCB4 DCB3 DCB2 DCB1 DCB0
Description
-Set the amount of current in Operational amplifier in Idle mode/8 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 Idle mode/8 colors.
DCB[9:8] DCB[7:6] DCB[5:4] DCB[3:2] DCB[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
C3h
Power On Sequence 8Ah/2Eh
S/W Reset 8Ah/2Eh
H/W Reset 8Ah/2Eh