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ADV7180WBSTZ Datasheet(PDF) 98 Page - Analog Devices |
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ADV7180WBSTZ Datasheet(HTML) 98 Page - Analog Devices |
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98 / 120 page  ADV7180 Data Sheet Rev. G | Page 98 of 120 Subaddress Register Bit Description Bits (Shading Indicates Default State) Comments Notes 7 6 5 4 3 2 1 0 0xF4 Drive strength DR_STR_S[1:0]; selects the drive strength for the sync output signals 0 0 Low drive strength (1×) 0 1 Medium low drive strength (2×) 1 0 Medium high drive strength (3×) 1 1 High drive strength (4×) DR_STR_C[1:0]; selects the drive strength for the clock output signal 0 0 Low drive strength (1×) 0 1 Medium low drive strength (2×) 1 0 Medium high drive strength (3×) 1 1 High drive strength (4×) DR_STR[1:0]; selects the drive strength for the data output signals; can be increased or decreased for EMC or crosstalk reasons 0 0 Low drive strength (1×) 0 1 Medium low drive strength (2×) 1 0 Medium high drive strength (3×) 1 1 High drive strength (4×) Reserved x x 0xF8 IF comp control IFFILTSEL[2:0]; IF filter selection for PAL and NTSC 0 0 0 Bypass mode 0 dB 2 MHz 5 MHz NTSC filters 0 0 1 −3 dB −2 dB 0 1 0 −6 dB +3.5 dB 0 1 1 −10 dB +5 dB 1 0 0 Reserved 3 MHz 6 MHz PAL filters 1 0 1 −2 dB +2 dB 1 1 0 −5 dB +3 dB 1 1 1 −7 dB +5 dB Reserved 0 0 0 0 0 0xF9 VS mode control EXTEND_VS_MAX_FREQ 0 Limits maximum VSYNC frequency to 66.25 Hz (475 lines/frame) 1 Limits maximum VSYNC frequency to 70.09 Hz (449 lines/frame) EXTEND_VS_MIN_FREQ 0 Limits minimum VSYNC frequency to 42.75 Hz (731 lines/frame) 1 Limits minimum VSYNC frequency to 39.51 Hz (791 lines/frame) VS_COAST_MODE[1:0] 0 0 Autocoast mode This value sets up the output coast frequency 0 1 50 Hz coast mode 1 0 60 Hz coast mode 1 1 Reserved Reserved 0 0 0 0 0xFB Peaking control PEAKING_GAIN[7:0] 0 1 0 0 0 0 0 0 Increases/decreases the gain for high frequency portions of the video signal 0xFC Coring threshold DNR_TH2[7:0] 0 0 0 0 0 1 0 0 Specifies the maximum edge that is interpreted as noise and therefore blanked 1 Shading indicates default values. 2 x indicates a bit that keeps the last written value. |
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