Altera SDI Audio IP Cores Manuel d'utilisateur 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.
RWStrip enable3:0
Reserved for future use.Unused7:4
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 present3:0
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).
ROControl packet present7:4
Sine Channel
n
Frequency
Defines the frequency of the generated audio.RWSine channel frequency7:0
Audio Status Register
Reports which audio groups are detected in the SDI
stream.
ROAudio group presence3:0
Reports whether the video frame with the embedded
audio is locked.
ROFrame lock4
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.
WOChannel status data7:0
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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UG-SDI-AUD
SDI Audio Extract Registers
5-4
2014.06.30
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