Register quick reference – Cirrus Logic CS53L21 User Manual
Page 37
DS700PP1
37
CS53L21
5. REGISTER QUICK REFERENCE
Software mode register defaults are as shown. “Reserved” registers must maintain their default state.
Addr
Function
7
6
5
4
3
2
1
0
01h ID
Chip_ID4
Chip_ID3
Chip_ID2
Chip_ID1
Chip_ID0
Rev_ID2
Rev_ID1
Rev_ID0
default
1
1
0
1
1
0
0
1
02h Power Ctl. 1
Reserved
Reserved
Reserved
PDN_PGAB
PDN_PGAA
PDN_ADCB
PDN_ADCA
PDN
default
0
1(See Note
)
1(See Note
0
0
0
0
0
03h Speed Ctl. &
Power Ctl. 2
AUTO
SPEED1
SPEED0
3-ST_SP
PDN_MICB
PDN_MICA
PDN_
MICBIAS
MCLKDIV2
default
1
0
1
0
1
1
1
0
04h Interface Ctl.
Reserved
M/S
Reserved
Reserved
Reserved
ADC_I²S/LJ
DIGMIX
MICMIX
default
0
0
0
0
0
0
0
0
05h MIC Control
& Misc.
ADC_SNGVOL
ADCB_
DBOOST
ADCA_
DBOOST
MICBIAS_
SEL
MICBIAS_
LVL1
MICBIAS_
LVL0
MICB_
BOOST
MICA_
BOOST
default
0
0
0
0
0
0
0
0
06h ADC Control
ADCB_HPF
EN
ADCB_HP
FRZ
ADCA_HPF
EN
ADCA_HP
FRZ
SOFTB
ZCROSSB
SOFTA
ZCROSSA
default
1
0
1
0
0
0
0
0
07h ADC Input
Select
, Invert, Mute
AINB_MUX1
AINB_MUX
0
AINA_MUX1 AINA_MUX0
INV_ADCB
INV_ADCA
ADCB_
MUTE
ADCA_
MUTE
default
0
0
0
0
0
0
0
0
08h Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
default
0
1
1
0
0
0
0
0
09h SPE Control
Reserved
SPE_
ENABLE
FREEZE
Reserved
Reserved
Reserved
SPE_SZC1
SPE_SZC0
default
0
0
0
0
0
1
1
0
0Ah ALCA SZC &
PGAA Vol-
ume
ALCA_SR
DIS
ALCA_ZC
DIS
Reserved
PGAA
VOL4
PGAA
VOL3
PGAA
VOL2
PGAA
VOL1
PGAA
VOL0
default
0
0
0
0
0
0
0
0
0Bh ALCB SZC &
PGAB Vol-
ume
ALCB_SR
DIS
ALCB_ZC
DIS
Reserved
PGAB
VOL4
PGAB
VOL3
PGAB
VOL2
PGAB
VOL1
PGAB
VOL0
default
0
0
0
0
0
0
0
0
0Ch ADCA Atten-
uator
ADCA_
ATT7
ADCA_
ATT6
ADCA_
ATT5
ADCA_
ATT4
ADCA_
ATT3
ADCA_
ATT2
ADCA_
ATT1
ADCA_
ATT0
default
0
0
0
0
0
0
0
0
0Dh ADCB Atten-
uator
ADCB_
ATT7
ADCB_
ATT6
ADCB_
ATT5
ADCB_
ATT4
ADCB_
ATT3
ADCB_
ATT2
ADCB_
ATT1
ADCB_
ATT0