Sdi audio extract registers, Sdi audio extract registers -4 – Altera SDI Audio IP Cores User Manual

Page 35

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Strip Control Register

Enables the removal of both ACP and ADP (and any
SD-SDI EDP) for each of the four audio groups.

RW

Strip enable

3:0

Reserved for future use.

Unused

7:4

Strip Status Register

Reports which audio data groups are detected in the SDI
stream.

When in 3G-SDI Level B mode, this register reports the
presence of audio on Link A (Link B should be a
duplicate).

RO

3:0

Data packet present

3:0

Reports which audio control groups are detected in the
SDI stream.

When in 3G-SDI Level B mode, this register reports the
presence of audio on Link A (Link B should be a
duplicate).

RO

Control packet present

7:4

Sine Channel

n Frequency

Defines the frequency of the generated audio.

RW

Sine channel frequency

7:0

Audio Status Register

Reports which audio groups are detected in the SDI
stream.

RO

Audio group presence

3:0

Reports whether the video frame with the embedded
audio is locked.

RO

Frame lock

4

Channel Status RAM

Write accesses within the address range 10h to 3Fh to
the channel status RAM. This field returns the 24 bytes
of channel status for X channels starting at address 10h
to 27h, and the 24 bytes of channel status for Y channels
starting at address 28h to 3Fh.

WO

Channel status data

7:0

Related Information

SDI Audio Embed Signals

on page 4-1

SDI Audio Extract Registers

The following tables list the registers for the SDI Audio Extract IP core.

SDI Audio IP Registers

Altera Corporation

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SDI Audio Extract Registers

5-4

2014.06.30

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