Cirrus-logic CS42516 Manual de usuario Pagina 54

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54 DS583F2
CS42516
6.9 RVCR Status (address 08h) (Read Only)
6.9.1 DIGITAL SILENCE DETECTION (DIGITAL SILENCE)
Default = x
0 - Digital Silence not detected
1 - Digital Silence detected
Function:
The CS42516 will auto-detect a digital silence condition when 1548 consecutive zeros have been de-
tected.
6.9.2 AES FORMAT DETECTION (AES FORMATX)
Default = xxx
Function:
The CS42516
will auto-detect the AES format of the incoming S/PDIF stream and display the infor-
mation according to the following table.
6.9.3 SYSTEM CLOCK SELECTION (ACTIVE_CLK)
Default = x
0 - Output of PLL
1 - OMCK
Function:
This bit identifies the source of the internal system clock (MCLK).
76543210
Digital Silence AES Format2 AES Format1 AES Format0 Active_CLK RVCR_CLK2 RVCR_CLK1 RVCR_CLK0
AES
Format2
AES
Format1
AES
Format0
Description
000
Linear PCM
001
DTS
-CD
010
DTS
-LD
011
HDCD
100
IEC 61937
101
Reserved
110
Reserved
111
Reserved
Table 13. AES Format Detection
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