AD1885
JS0_OE
Enables JS0 pin as a general-purpose output.
JS1_OE
Enables JS1 pin as a general-purpose output.
JS0PUDIS
JS1PUDIS
JS0_OUT
Setting the JS0PUDIS bit disables the JS0 pin internal pull-up.
Setting the JS1PUDIS bit disables the JS1 pin internal pull-up.
When enabled as GPO, the JS0 pin reflects the state of the JS0_OUT bit.
JS1_OUT/FUNCT When enabled as GPO, the JS1 pin reflects the state of the JS1_OUT bit, otherwise this bit can be set to change
the functionality of JS1 so that only LINE_OUT is muted when JS1 is high.
Serial Configuration (Index 74h)
Reg
Num
Name
D15
D14
D13
D12
D11
X
D10
X
D9
D8
X
D7
X
D6
X
D5
X
D4
X
D3
X
D2
X
D1
X
D0
X
Default
X
Serial
Configuration
SLOT
16
74h
REGM2 REGM1 REGM0
DHWR
Note: this register is not reset when the reset register (register 00h) is written.
DHWR
REGM0
REGM1
REGM2
SLOT16
Disable Hardware Reset.
Master Codec register mask.
Slave 1 Codec register mask.
Slave 2 Codec register mask.
Enable 16-bit slots.
If your system uses only a single AD1885, you can ignore the register mask.
SLOT16 makes all AC-Link slots 16 bits in length, formatted into 16 slots.
Miscellaneous Control Bits (Index 76h)
Reg
Num
Name
D15
D14
D13 D12
D11
D10
D9 D8
D7
D6
D5
D4 D3 D2
D1 D0
Default
DAC LPMI
MOD SRX10 SRX8
76h
Misc Control Bits
X
DAM DMS DLSR
X
ALSR
X
X
DRSR
X
ARSR 0000h
Z
X
EN
D7
D7
ARSR
DRSR
ADC right sample generator select
0 = SR0 Selected (32h)
1 = SR1 Selected (2Ch).
DAC right sample generator select
0 = SR0 Selected (32h)
1 = SR1 Selected (2Ch).
SRX8D7
SRX10D7
MODEN
ALSR
Multiply SR1 rate by 8/7.
Multiply SR1 rate by 10/7. SRX10D7 and SRX8D7 are mutually exclusive.
Modem filter enable (left channel only). Change only when DACs and ADCs are powered down.
ADC left sample generator select
0 = SR0 Selected (32h)
1 = SR1 Selected (2Ch).
DLSR
DMS
DAC left sample generator select
0 = SR0 Selected (32h)
1 = SR1 Selected (2Ch).
Digital Mono Select.
0 = Mixer
1 = Left DAC and Right DAC.
DAM
Digital Audio Mode. DAC Outputs bypass analog mixer and sent directly to the codec output.
Low Power Mixer.
LPMIX
DACZ
Zero fill (vs. repeat) if DAC is starved for data.
REV. 0
–20–
ADI [ ADI ]
