CS8422 datasheet(57/82 Pages) CIRRUS

57 / 82 page

DS692PP1

CS8422

to 0, the error is masked, meaning that its occurrence will not affect the internal INT signal or the status reg-

ister. The bit positions align with the corresponding bits in Interrupt Status register. This register defaults to

00h.

The INT signal may be selected to output on the GPO pins. See Section 11.5 on page 50 for more details.

11.16 Interrupt Mode (10h)

The interrupt mode control in the behavior of the INT pin to RERR and SRC_UNLOCK interrupts. 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 becomes active during the interrupt condition. Be aware that the active level (Active High or Low) only

depends on the INT[1:0] bits. These registers default to 00h. The interrupts in the Interrupt Status register

not represented here are all rising edge active.

00 - Rising edge active

01 - Falling edge active

10 - Level active

11 - Reserved

11.17 Receiver Channel Status (11h)

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 “Receiver Data Control (04h)” on page 48.

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 the consumer format.

654

Reserved

RERR1

RERR0

SRC_UNLOCK1

SRC_UNLOCK0

765

432

AUX3

AUX2

AUX1

AUX0

PRO

COPY

ORIG

EMPH

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