Analog Devices ADV8003 Hardware Manual page 88

Function
sd_enc_inp_sel[3:0]
0x00 
0x01
0x02
0x03
0x04
0x05
0x06
0x07
svsp_inp_sel[3:0], IO Map, Address 0x1A05[7:4]
This signal is used to select the video source for the Secondary VSP.
Function
svsp_inp_sel[3:0]
0x00 
0x01
0x02
0x03
0x04
0x05
pvsp_inp_sel[3:0], IO Map, Address 0x1A05[3:0]
This signal is used to select the video source for the Primary VSP.
Function
pvsp_inp_sel[3:0]
0x00 
0x01
0x02
0x03
p2i_inp_sel[3:0], IO Map, Address 0x1A06[7:4]
This signal is used to select the video source for the Progressive to Interlaced converter.
Function
p2i_inp_sel[3:0]
0x00 
0x01
0x02
0x03
0x04
osd_blend_inp_sel[3:0], IO Map, Address 0x1A06[3:0]
This signal is used to select the video source to the OSD Blend block.
Rev. B, August 2013
Description
From Main TTL Input
From Primary VSP
From PtoI Converter
From Internal OSD Blend 1
From Secondary VSP/PtoI Converter
From OSD TTL Input
From RX Input
From Internal OSD Blend 2
Description
From Primary Input Channel
From Internal OSD Blend 1
From Primary VSP
From Internal OSD (OSD only, no blend)
From Secondary Input Channel
From RX Input
Description
From Main TTL Input
From Internal OSD Blend 1
From OSD TTL Input
From RX Input
Description
From Primary VSP
From Internal OSD Blend 1
From OSD TTL Input
From RX Input
From Main TTL Input
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ADV8003 Hardware Manual