Cirrus Logic CS42528 - Manual (Page 54)

54 DS586F2
CS42528
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 CS42528 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 CS42528 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).
7 6 5 4 3 2 1 0
Digital Silence AES Format2 AES Format1 AES Format0 Active_CLK RVCR_CLK2 RVCR_CLK1 RVCR_CLK0
AES
Format2
AES
Format1
AES
Format0
Description
0 0 0 Linear PCM
0 0 1 DTS

-CD
0 1 0 DTS

-LD
0 1 1 HDCD

1 0 0 IEC 61937
1 0 1 Reserved
1 1 0 Reserved
1 1 1 Reserved
Table 13. AES Format Detection