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TVP5146M2IPFPR Datasheet(PDF) 43 Page - Texas Instruments |
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TVP5146M2IPFPR Datasheet(HTML) 43 Page - Texas Instruments |
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43 / 109 page  TVP5146M2 www.ti.com SLES141H – JULY 2005 – REVISED FEBRUARY 2012 Table 2-14. AFE Gain Control Register Subaddress 01h Default 0Fh 7 6 5 4 3 2 1 0 Reserved 1 1 AGC chroma AGC luma Bit 3: 1b must be written to this bit Bit 2: 1b must be written to this bit AGC chroma: Controls automatic gain in the chroma/B/R/PbPr channel: 0 = Manual (if AGC luma is set to manual, AGC chroma is forced to be in manual) 1 = Enabled auto gain, applies a gain value acquired from the sync channel for S-Video and component mode. When AGC luma is set, this state is valid (default). AGC luma enable: Controls automatic gain in the embedded sync channel of CVBS, S-Video, component video 0 = Manual gain, AFE coarse and fine gain frozen to the previous gain value set by AGC when this bit is set to 0. 1 = Enabled auto gain applied to only the embedded sync channel (default) These settings affect only the analog front-end (AFE). The brightness and contrast controls are not affected by these settings. Table 2-15. Video Standard Register Subaddress 02h Default 00h 7 6 5 4 3 2 1 0 Reserved Video standard [2:0] With the autoswitch code running, the user can force the decoder to operate in a particular video standard mode by writing the appropriate value into this register. Changing these bits causes the register settings to be reinitialized. Video standard [2:0]: CVBS and S-Video Component Video 000 Autoswitch mode (default) Autoswitch mode (default) 001 (M, J) NTSC Interlaced 525 010 (B, D, G, H, I, N) PAL Interlaced 625 011 (M) PAL Reserved 100 (Combination-N) PAL Reserved 101 NTSC 4.43 Reserved 110 SECAM Reserved 111 PAL 60 Reserved Note: PAL 60 is not included in autoswitch mode. Copyright © 2005–2012, Texas Instruments Incorporated Functional Description 43 Submit Documentation Feedback Product Folder Link(s): TVP5146M2 |
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