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Table 4-5: SDI Audio Embed Register Interface Signals

DescriptionDirectionWidthSignal

Clock for the Avalon-MM register interface.Input[0:0]reg_clk

Reset for the Avalon-MM register interface.Input[0:0]reg_reset

Reset for the Avalon-MM register interface.Input[5:0]reg_base_addr

Transfer size in bytes.Input[5:0]reg_burst_count

Wait request.Output[0:0]reg_waitrequest

Write request.Input[7:0]reg_write

Data to be written to target.Input[0:0]reg_writedata

Read request.Input[0:0]reg_read

Requested read data valid after read latency.Output[0:0]reg_readdatavalid

Data read from target.Output[7:0]reg_readdata

This table lists the direct control interface signals. These signals are exposed as ports if you turn off the

Include Avalon-MM Control Interface parameter.

Table 4-6: SDI Audio Embed Direct Control Interface Signals

DescriptionDirectionWidthSignal

Clock for the direct control interface.Input[0:0]reg_clk

Assert this 8-bit signal to enable the audio channels. Each bit

controls one audio channel.

Input[7:0]audio_control

This signal does the same function as the extended control register.Input[7:0]extended_control

This signal does the same function as the video status register.Output[7:0]video_status

This signal does the same function as the SD EDP control register.Output[7:0]sd_edp_control

This signal does the same function as the audio status register.Output[7:0]audio_status

This signal does the same function as the channel status control

Input[15:0]cs_control

This signal does the same function as the strip control register.Input[7:0]strip_control

This signal does the same function as the strip status register.Output[7:0]strip_status

This signal does the same function as the sine channel 1 frequency

Input[7:0]sine_freq_ch1

This signal does the same function as the sine channel 2 frequency

Input[7:0]sine_freq_ch2

This signal does the same function as the sine channel 3 frequency

Input[7:0]sine_freq_ch3

SDI Audio IP Interface Signals

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SDI Audio Embed Signals

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2014.06.30

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Altera SDI Audio IP Cores Manuel d'utilisateur Page 24