APPOTECH CW6632B - Page 48

42 5.2 Power Supply
CW6632B Bluetooth 3.0 Audio Player SOC Version 1.0.0
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S=101 : 2.92/3.11
S=110 : 3.06/3.24
S=111 : 3.19/3.39
Register 5-3 PWRCON3 – Power control 3
Position
7
6
5
4
3
2
1
0
Name
V33SEL1
V33SEL0
LVD_OEB
LVD_EN
BGOPEN
BATDET
Default
1
0
0
1
0
0
Access
RW
RW
RW
RW
RW
RW
BATDET：Battery voltage detection enable
1=enable
0=disable
BGOPEN：Bg voltage output enable
1=enable
0=disable
LVD_EN：LVD module enable
1=enable
0=disable
LVD_OEB：LVD output enable
1=enable
0=disable
V33SEL1~ V33SEL0：VDDIO voltage selection
00 = 2.8V
01 = 2.9V
10 = 3.0V
11 = 3.2V
Register 5-4 PWRCON4 – Power control 4
Position
7
6
5
4
3
2
1
0
Name
CURRENTSEL_D1
CURRENTSEL_D0
V18SELR1
V18SELR0
CURRENTSEL_R1
CURRENTSEL_R0
VD2_ENB
VD1_ENB
Default
1
0
1
0
1
0
1
0
Access
RW
RW
RW
RW
RW
RW
RW
RW
VD1_ENB：VDDLDO voltage detection enable
0=enable
1=disable
VD2_ENB：External pin voltage detection enable.
0=enable
1=disable
CURRENTSEL_R1~CURRENTSEL_R0：Modulate 3.3v LDO sleep current
V18SELR1~ V18SELR0：RF part LDO output voltage selection:
00 = 1.67