Altera SDI Audio IP Cores - Manual (Page 35)

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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UG-SDI-AUD
SDI Audio Extract Registers 5-4
2014.06.30