Cirrus Logic CS42528 - Manual (Page 66)

66 DS586F2
CS42528
6.23.3 C-DATA BUFFER CONTROL (CAM)
Default = 0
0 - One byte mode
1 - Two byte mode
Function:
Sets the C-data buffer control port access mode.
6.23.4 CHANNEL SELECT (CHS)
Default = 0
Function:
When set to ‘0’, channel A information is displayed in the receiver channel status register. Channel A
information is output during control port reads when CAM is set to ‘0’ (one byte mode).
When set to ‘1’, channel B information is displayed in the receiver channel status register. Channel B
information is output during control port reads when CAM is set to ‘0’ (one byte mode).
6.24 Receiver Channel Status (address 25h) (Read Only)
The bits in this register can be associated with either channel A or B of the received data. The desired channel is
selected with the CHS bit of the Channel Status Data Buffer Control register.
6.24.1 AUXILIARY DATA WIDTH (AUXX)
Default = xxxx
Function:
Displays the incoming auxiliary data field width, as indicated by the incoming channel status bits, de-
coded according to IEC60958.
7 6 5 4 3 2 1 0
AUX3 AUX2 AUX1 AUX0 PRO AUDIO COPY ORIG
AUX3 AUX2 AUX1 AUX0 Description
0 0 0 0 Auxiliary data is not present
0 0 0 1 Auxiliary data is 1 bit long
0 0 1 0 Auxiliary data is 2 bit long
0 0 1 1 Auxiliary data is 3 bit long
0 1 0 0 Auxiliary data is 4 bit long
0 1 0 1 Auxiliary data is 5 bit long
0 1 1 0 Auxiliary data is 6 bit long
0 1 1 1 Auxiliary data is 7 bit long
1 0 0 0 Auxiliary data is 8 bit long
1 0 0 1 1001 - 1111 is Reserved
Table 20. Auxiliary Data Width Selection