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TDA8377A Datasheet(PDF) 23 Page - NXP Semiconductors |
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TDA8377A Datasheet(HTML) 23 Page - NXP Semiconductors |
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23 / 72 page  1997 Jul 01 23 Philips Semiconductors Preliminary specification I2C-bus controlled economy PAL/NTSC and NTSC TV-processors TDA837x family Table 16 Interlace Table 17 Standby Table 18 Synchronization mode Table 19 Colour decoder mode Table 20 Automatic volume levelling (TDA8373 and TDA8374) Table 21 RGB blanking mode (TDA8375 and TDA8377) DL STATUS 0 interlace 1 de-interlace STB MODE 0 standby 1 normal POC MODE 0 synchronization active 1 synchronization not active CM2 CM1 CM0 DECODER MODE 0 0 0 not forced, own intelligence, two crystals 0 0 1 forced crystal pin 34 (PAL/NTSC) 0 1 0 forced crystal pin 34 (PAL) 0 1 1 forced crystal pin 34 (NTSC) 1 0 0 forced crystal pin 35 (PAL/NTSC) 1 0 1 forced crystal pin 35 (PAL) 1 1 0 forced crystal pin 35 (NTSC) 1 1 1 forced SECAM crystal pin 35 AVL LEVEL 0 automatic volume levelling not active 1 automatic volume levelling active HBL MODE 0 normal blanking with horizontal blanking pulse 1 wider blanking to obtain well defined edges Table 22 Black current stabilization Table 23 Video identification mode Table 24 Gain of luminance channel Table 25 Vertical divider mode Table 26 Search tuning mode Table 27 Video identification mode Table 28 Long blanking mode (TDA8374 and TDA8375) AKB STABILIZATION 0 black-current stabilization on 1 black-current stabilization off VIM VIDEO IDENT MODE 0 video identification coupled to the internal CVBS input (pin 13) 1 video identification coupled to the selected CVBS input GAI GAIN 0 normal gain of luminance channel [V27 = 1.0 V (b-w)] 1 high gain of luminance channel [V27 = 0.45 V (p-p)] NCIN VERTICAL DIVIDER MODE 0 normal operation of the vertical divider 1 vertical divider switched to search window STM SEARCH TUNING MODE 0 normal operation 1 reduced sensitivity of the coincidence detector (bit SL) VID VIDEO IDENT MODE 0 video identification switches phase 1 loop on and off 1 video identification not active LBM BLANKING MODE 0 blanking adapted to standard (50 or 60 Hz) 1 fixed blanking in accordance with 50 Hz standard |
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