CS8420-CS Ver la hoja de datos (PDF) - Cirrus Logic

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CS8420-CS

Digital Audio Sample Rate Converter

Cirrus Logic 

CS8420

10.14 Receiver Channel Status (0Fh) (Read Only)

7

AUX3

6

AUX2

5

AUX1

4

AUX0

3

PRO

2

AUDIO

1

COPY

0

ORIG

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 Regis-

ter.

AUX[3:0]

The AUX3-0 bits indicate the width of the incoming auxiliary data field, as indicated by the in-

coming channel status bits, decoded according to IEC60958 and AES3.

0000 - Auxiliary data is not present

0001 - Auxiliary data is 1 bit long

0010 - Auxiliary data is 2 bits long

0011 - Auxiliary data is 3 bits long

0100 - Auxiliary data is 4 bits long

0101 - Auxiliary data is 5 bits long

0110 - Auxiliary data is 6 bits long

0111 - Auxiliary data is 7 bits long

1000 - Auxiliary data is 8 bits long

1001 - 1111 Reserved

PRO

Channel status block format indicator

0 - Received channel status block is in consumer format

1 - Received channel status block is in professional format

AUDIO

Audio indicator

0 - Received data is linearly coded PCM audio

1 - Received data is not linearly coded PCM audio

COPY

SCMS copyright indicator

0 - Copyright asserted

1 - Copyright not asserted

ORIG

SCMS generation indicator. This is decoded from the category code and the L bit.

0 - Received data is 1st generation or higher

1 - Received data is original

Note: COPY and ORIG will both be set to 1 if the incoming data is flagged as professional or if the receiver is not

in use.

DS245F4

43

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