CS8416-CS 데이터 시트보기 (PDF) - Cirrus Logic

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CS8416-CS

192 kHz Digital Audio Interface Receiver

Cirrus Logic 

CS8416

DTS_CD – DTS_CD data was detected

Reserved – This bit may change state depending on the input audio data.

DGTL_SIL – Digital Silence was detected: at least 2047 consecutive constant samples of the same 24-bit

audio data on both channels.

96KHZ – if input sample rate is ≤ 48 KHz, outputs a “0”. Outputs a “1” if the sample rate is ≥ 88.1 KHz.

Otherwise output indeterminate.

8.12 Receiver Error (0Ch)

7

6

5

4

3

2

1

0

0

QCRC

CCRC

UNLOCK

V

CONF

BIP

PAR

This register contains the AES3 receiver and PLL status bits. Unmasked bits will go high on occur-

rence of the error, and will stay high until the register is read. Reading the register resets all bits to 0,

unless the error source is still true. Bits that are masked off in the receiver error mask register will

always be 0 in this register.

QCRC - Q-subcode data CRC error indicator. Updated on Q-subcode block boundaries

0 - No error

1 - Error

CCRC - Channel Status Block Cyclic Redundancy Check bit. Updated on CS block boundaries,

valid in Pro mode

0 - No error

1 - Error

UNLOCK - PLL lock status bit. Updated on CS block boundaries.

0 - PLL locked

1 - PLL out of lock

V - Received AES3 Validity bit status. Updated on sub-frame boundaries.

0 - Data is valid and is normally linear coded PCM audio

1 - Data is invalid, or may be valid compressed audio

CONF - Confidence bit. Updated on sub-frame boundaries.

0 - No error

1 - Confidence error. This indicates that the received data eye opening is less than half a bit period,

indicating a poor link that is not meeting specifications.

BIP - Bi-phase error bit. Updated on sub-frame boundaries.

0 - No error

1 - Bi-phase error. This indicates an error in the received bi-phase coding.

PAR - Parity bit. Updated on sub-frame boundaries.

0 - No error

1 - Parity error

DS578PP2

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