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STV6414A 数据表(PDF) 22 Page - STMicroelectronics |
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STV6414A 数据表(HTML) 22 Page - STMicroelectronics |
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22 / 32 page ![]() I²C bus selection STV6414A 22/32 Table 22. RGB and fast blanking outputs Reg add (hex) Description Bits Data Comments d7 d6 d5 d4 d3 d2 d1 d0 03h Fast blanking control 2 X X X X X X X X X X X X X X X X X X X X X X X X 0 0 1 1 0 1 0 1 FB forced to low level FB forced to high level FB from Encoder FB from VCR RGB selection 2 X X X X X X X X X X X X X X X X 0 0 1 1 0 1 0 1 X X X X X X X X Muted RGB_ENC selected RGB_VCR selected Not allowed RGB gain 2 X X X X X X X X 0 0 1 1 0 1 0 1 X X X X X X X X X X X X X X X X +6 dB gain +5 dB gain +4 dB gain +3 dB gain 1 X X 0 1 X X X X X X X X X X X X +0 dB extra gain +3 dB for weak input signals RGB and FB control 1 0 1 X X X X X X X X X X X X X X RGB and FB outputs high impedance state RGB and FB outputs active Table 23. Miscellaneous control Reg add (hex) Description Bits Data Comments d7 d6 d5 d4 d3 d2 d1 d0 04h R/C TV output selection 1 X X X X X X X X X X 0 0 0 0 0 1 Red signal selected Chroma signal selected Not used 2 X X X XXXXX Not used C_VCR output control 2 X X X X X X X X X 0 0 1 0 1 X 0 0 0 0 0 0 X X X Grounded Tri-state mode (high impedance) Active Low pass filters control 1 X X X X 0 1 X X X X 0 0 0 0 X X LPF enabled LPF disabled Slow blanking mode 1 X X 0 1 X X X X X X 0 0 0 0 X X Normal mode SLB TV is driven by SLB VCR IT enable 1 0 1 X X X X X X X X 0 0 0 0 X X No iterrupt flag IT enable |
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