ADAV801ASTZ datasheet(44/61 Pages) AD

44 / 61 page

ADAV801

Rev. A | Page 43 of 60

Mute and De-Emphasis—Address 0011110 (0x1E)

Table 73. Mute and De-Emphasis Register Bit Map

Reserved

TxMUTE

Reserved

SRC_DEEM1

SRC_DEEM0

Reserved

Table 74. Mute and De-Emphasis Register Bit Descriptions

Bit Name

Description

TxMUTE

Mutes the AES3/S/PDIF transmitter.

0 = Transmitter is not muted.

1 = Transmitter is muted.

SRC_DEEM[1:0]

Selects the de-emphasis filter for the input data to the sample rate converter.

00 = No de-emphasis.

01 = 32 kHz de-emphasis.

10 = 44.1 kHz de-emphasis.

11 = 48 kHz de-emphasis.

NonAudio Preamble Type—Address 0011111 (0x1F)

Table 75. NonAudio Preamble Type Register (Read-Only) Bit Map

Reserved

DTS-CD

Preamble

NonAudio

Frame

NonAudio

Subframe_A

NonAudio

Subframe_B

Table 76. NonAudio Preamble Type Register (Read-Only) Bit Descriptions

Bit Name

Description

DTS-CD Preamble

This bit is set if the DTS-CD preamble is detected.

NonAudio Frame

This bit is set if the data received through the AES3/S/PDIF receiver is nonaudio data according to the IEC61937

standard or nonaudio data according to SMPTE337M.

NonAudio Subframe_A

This bit is set if the data received through Channel A of the AES3/S/PDIF receiver is subframe nonaudio data

according to SMPTE337M.

NonAudio Subframe_B

This bit is set if the data received through Channel B of the AES3/S/PDIF receiver is subframe nonaudio data

according to SMPTE337M.

Receiver Channel Status Buffer—Address 0100000 to Address 0110111 (0x20 to 0x37)

Table 77. Receiver Channel Status Buffer Register Bit Map

RCSB7

RCSB6

RCSB5

RCSB4

RCSB3

RCSB2

RCSB1

RCSB0

Table 78. Receiver Channel Status Buffer Register Bit Descriptions

Bit Name

Description

RCSB[7:0]

The 24-byte receiver channel status buffer. The PRO bit is stored at address location 0x20, Bit 0. This buffer is read-

only if the channel status is not autobuffered between the receiver and transmitter.

Transmitter Channel Status Buffer—Address 0111000 to Address 1001111 (0x38 to 0x4F)

Table 79. Transmitter Channel Status Buffer Register Bit Map

TCSB7

TCSB6

TCSB5

TCSB4

TCSB3

TCSB2

TCSB1

TCSB0

Table 80. Transmitter Channel Status Buffer Register Bit Descriptions

Bit Name

Description

TCSB[7:0]

The 24-byte transmitter channel status buffer. The PRO bit is stored at address location 0x38, Bit 0. This buffer is

disabled when autobuffering between the receiver and transmitter is enabled.

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