CS4226_04 Datasheet, PDF (29/37 Pages) Cirrus Logic – Surround Sound Codec

CS4226
3.12 Auxiliary Port Mode Byte (0Fh)
B7
ACK1
B6
ACK0
B5
AMS1
B4
AMS0
B3
ASCK
B2
ADF2
B1
ADF1
This byte is not available when the receiver is functioning.
ADF2-ADF0
Data format
0 - Right justified, 20-bit data
1 - Right justified, 18-bit data
2 - Right justified, 16-bit data
3 - Left justified, 20-bit
4 - I²S compatible, 20-bit
5 - Not used
6 - Not used
7 - Not used
ASCK
Sets the polarity of clocking data
0 - Data clocked in on rising edge of SCLKAUX
1 - Data clocked in on falling edge of SCLKAUX
AMS1-AMS0
Sets the mode of the port.
0 - Slave
1 - Master Burst - SCLKAUXs are gated 128 fs clocks
2 - Master Non-Burst - SCLKAUXs are evenly distributed in LRCKAUX frame
3 - Not used - default to slave
ACK1-ACK0
Set number of bit clocks per Fs period.
0 - 128
1 - 48 - Master Burst or Slave mode only
2 - 32 - All input formats will default to 16 bits.
3 - 64
This register defaults to 00h.
B0
ADF0
DS188F4
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