CS8415A-CSZ datasheet(25/46 Pages) CIRRUS

25 / 46 page

DS470F4

CS8415A

8.10

Interrupt 2 Mode MSB (0Dh) and Interrupt 2 Mode LSB (0Eh)

The two Interrupt Mode registers form a 2-bit code for each Interrupt Register 1 function. There are three

ways to set the INT pin active in accordance with the interrupt condition. In the Rising edge active mode,

the INT pin becomes active on the arrival of the interrupt condition. In the Falling edge active mode, the INT

pin becomes active on the removal of the interrupt condition. In Level active mode, the INT interrupt pin be-

comes active during the interrupt condition. Be aware that the active level (Actice High or Low) only depends

on the INT[1:0] bits. These registers default to 00.

00 - Rising edge active

01 - Falling edge active

10 - Level active

11 - Reserved

8.11

Receiver Channel Status (0Fh) (Read Only)

The bits in this register can be associated with either channel A or B of the received data. The desired chan-

nel is selected with the CHS bit of the Channel Status Data Buffer Control Register.

AUX3:0 - Incoming auxiliary data field width, as indicated by the incoming channel status bits, decoded ac-

cording 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

If the category code is set to General in the incoming AES3 stream, copyright will always be indicated by

COPY, even when the stream indicates no copyright.

3210

DETU1

QCH1

DETU0

QCH0

210

AUX3

AUX2

AUX1

AUX0

PRO

AUDIO

COPY

ORIG

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