Analog Devices ADV7850 Hardware Manual page 96

Function
sdp_hqi_req_std
1 
0
sdp_force_comp_hqi, Addr 90 (SDP), Address 0x19[6]
This control is used to force the use of a HQI Y shaping filter when a component input is applied. When this bit is disabled, the
autoselection of the Y shaping filter is employed.
Function
sdp_force_comp_hqi
1 
0
sdp_force_ckill_hqi, Addr 90 (SDP), Address 0x18[6]
This control is used to force the use of the HQI Y shaping filter when color kill is active. When this control is disabled, the autoselection
of the Y shaping filter does not consider color kill mode.
Function
sdp_force_ckill_hqi
1 
0
sdp_y_shape_sel_vbi[5:0], Addr 90 (SDP), Address 0x18[5:0]
This control is used to select the Y shaping filter for the VBI region. Refer to the Hardware Manual for details on Y shaping filters.
Function
sdp_y_shape_sel_vbi[5:
0]
111111 
sdp_y_shape_sel_hqi[5:0], Addr 90 (SDP), Address 0x19[5:0]
This control is used to select the manual Y shaping filter for high quality input signals.
Function
sdp_y_shape_sel_hqi[5:
0]
001101 
sdp_y_shape_sel_lqi[5:0], Addr 90 (SDP), Address 0x1A[5:0]
This control is used to select manually the Y shaping filter for low quality inputs (LQI).
Function
sdp_y_shape_sel_lqi[5:
0]
010101 
sdp_y_shape_sel_scm[5:0], Addr 90 (SDP), Address 0x1B[5:0]
This control is used to select manually the Y shaping filter for SECAM input signals.
Rev. A May 2012
Description
HQI requires both stable and standard (nominal) timebase
HQI requires only stable timebase
Description
Force Y shaping filter selection to use HQI filter selection in component modes
Automatic selection of Y shaping filter used in component modes
Description
Force use of HQI Y shaping filter when color kill active
HQI Y shaping filter not used when color kill active
Description
Default
Description
Default
Description
Default
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ADV7850