Sdp Status Registers; Sdp Autodetection Result; Sdp Video Detection - Analog Devices ADV7850 Hardware Manual

Function
sdp_palcn_ped_en
1
0 
sdp_palm_ped_en, Addr 90 (SDP), Address 0x01[2]
This control is used to force the part to assume that the corresponding standard has a pedestal. Standards with a pedestal are clamped to
the pedestal level; standards without a pedestal are clamped to the back porch level.
Function
sdp_palm_ped_en
1 
0
sdp_ntsc_ped_en, Addr 90 (SDP), Address 0x01[1]
This control is used to force the part to assume that the corresponding standard has a pedestal. Standards with a pedestal are clamped to
the pedestal level; standards without a pedestal are clamped to the back porch level.
Function
sdp_ntsc_ped_en
1 
0

6.4 SDP STATUS REGISTERS

The SDP contains registers that provide summary information about the video decoder. This information allows the user to read back
information such as decoder lock status, input format and type, and autodetection result.

SDP Autodetection Result

6.4.1
sdp_std[3:0], Addr 90 (SDP), Address 0x52[3:0] (Read Only)
This readback displays the current active standard in autodetection mode.
Function
sdp_std[3:0]
0x00 
0x02
0x03
0x04
0x06
0x0C
0x0E
0x0F
Refer to Section 6.3.1 for more information on the use of the autodetection block.

SDP Video Detection

6.4.2
sdp_video_detected, Addr 90 (SDP), Address 0x5A[0] (Read Only)
This readback indicates the detection of a valid video input.
Rev. A May 2012
Description
Assume PAL-CombN inputs have a pedestal
Assume PAL-CombN inputs do not have a pedestal
Description
Assume PAL-M inputs have a pedestal
Assume PAL-M inputs do not have a pedestal
Description
Assume NTSC-M inputs have a pedestal
Assume NTSC-M inputs do not have a pedestal
Description
NTSC-M/J
NTSC-443
60HzSECAM
PAL-M
PAL-60
PAL-CombN
PAL-BGHID
SECAM
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ADV7850