ADV8005 Hardware Reference Manual
UG-707
svsp_dp_video_h_start[10:0]
, Secondary VSP Map,
Address 0xE62E[7:0]; Address 0xE62F[7:5]
This signal is used to set the horizontal start position where the output video of scaler is placed.
Function
svsp_dp_video_h_start[10:0]
Description
0x000 (default)
Default
0xXXX
Horizontal start position of output port
svsp_dp_video_v_start[10:0]
, Secondary VSP Map,
Address 0xE630[7:0]; Address 0xE631[7:5]
This signal is used to set the vertical start position where the output video of scaler is placed.
Function
svsp_dp_video_v_start[10:0]
Description
0x000 (default)
Default
0xXXX
Vertical start position of output port
svsp_dp_margin_color[23:0]
, Secondary VSP Map,
Address 0xE643[7:0]; Address 0xE644[7:0]; Address 0xE645[7:0]
This signal is used to set the default color in output video in YUV colorspace.
Function
svsp_dp_margin_color[23:0]
Description
0x000000
Default
0xXXXXXX
Default color in YUV colorspace
svsp_dp_output_blank
, Secondary VSP Map,
Address 0xE642[5]
This bit is used to force the colour output of the Secondary VSP. If this register is set to 1, the output of the Secondary VSP is forced to the
used defined color in svsp_dp_margin_color.
Function
svsp_dp_output_blank
Description
0 (default)
Not Output default Color
1
Output default Color
3.3.3.4.
DDR Bypass Mode
In the case where the SVSP is being used to upscale or downscale between 1080p and 720p, external DDR2 memory is not required. Internal
line buffers allow the user to convert between these two resolutions while maintaining the full external memory bandwidth for both the PVSP
and OSD. The DDR bypass mode provided in the SVSP can be manually enabled/disabled using
. DDR2 bypass mode can be
automatically configured using
. If the DDR bypass mode is to be set manually,
must be set to 1.
Note:
This option is only available to the user when scaling between two resolutions which have the same frame rate.
svsp_man_set_ddr_bypass
, Secondary VSP Map,
Address 0xE662[0]
This bit is used to enable manually setting DDR bypass. If this bit is set to 1, SVSP will bypass DDR while svsp_ddr_bypass is 1, or not
bypass DDR while svsp_ddr_bypass is 0.
Function
svsp_man_set_ddr_bypass
Description
0 (default)
Disable
1
Enable
svsp_ddr_bypass
, Secondary VSP Map,
Address 0xE649[7]
This bit is used to bypass external memory. This register's value will be used while svsp_man_set_ddr_bypass is 1.
Function
svsp_ddr_bypass
Description
0 (default)
Not bypass external memory
1
Bypass external memory
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