APPOTECH CW6632B - Function of DAC Control Registers

100 13.2 DAC Special Function Registers
CW6632B Bluetooth 3.0 Audio Player SOC Version 1.0.0
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Name
Address
Descriptions
DACCFG
0
DAC configuration register
DACSM
1
DAC soft mute configuration register
DACSPR
2
DAC sample rate register
DACVOLL
3
DAC volume setting low byte register
DACVOLH
4
DAC volume setting high byte register
DACVCON
5
DAC volume control register
TRIMCON1
6
DAC trim control register1
TRIMCON2
7
DAC trim control register2
TRREGLL
8
DAC left channel trim data register low byte
TRREGLH
9
DAC left channel trim data register high byte
TRREGRL
10
DAC right channel trim data register low byte
TRREGRH
11
DAC right channel trim data register high byte
EQCON1
12
EQ configuration register1
EQCOF
13
EQ coefficient FIFO
EQCON2
14
EQ configuration register2
EQVOLIN
15
EQ data input volume configuration register
DACLRMIX0
16
DAC L & R channel mixing coefficient 0
DACLRMIX1
17
DAC L & R channel mixing coefficient 1
DACLRMIX2
18
DAC L & R channel mixing coefficient 2
DACLRMIX3
19
DAC L & R channel mixing coefficient 3
13.2.2 Function of DAC Control Registers
Register 13-3 DACCFG – DAC configuration register
Position
7
6
5
4
3
2
1
0
Name
-
-
-
DIT_SEL
MIX_EN
OSSL
DACEN
Default
-
-
-
0
0
0
Access
-
-
-
RW
RW
RW
DIT_SEL: sdm dither signal select
0 = sine wave
1 = white noise
MIX_EN: DAC MIX enable
0 = Disabled
1 = Enabled
OSSL: DAC over sample mode select
0 = Normal speed mode
1 = Double speed mode
DACEN: DAC digital filter/delta-sigma modulator enable