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TNETV1644ZDU6 Datasheet(PDF) 216 Page - Texas Instruments |
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TNETV1644ZDU6 Datasheet(HTML) 216 Page - Texas Instruments |
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216 / 306 page  6.10.1.4 Hardware 3A (H3A) TMS320DM6437 Digital Media Processor SPRS345D – NOVEMBER 2006 – REVISED JUNE 2008 www.ti.com Table 6-32. Resizer Register Descriptions (continued) HEX ADDRESS RANGE REGISTER ACRONYM DESCRIPTION 0x01C7 0C64 HFILT3130 Horizontal Filter Coefficients 31 and 30 0x01C7 0C68 VFILT10 Vertical Filter Coefficients 1 and 0 0x01C7 0C6C VFILT32 Vertical Filter Coefficients 3 and 2 0x01C7 0C70 VFILT54 Vertical Filter Coefficients 5 and 4 0x01C7 0C74 VFILT76 Vertical Filter Coefficients 7 and 6 0x01C7 0C78 VFILT98 Vertical Filter Coefficients 9 and 8 0x01C7 0C7C VFILT1110 Vertical Filter Coefficients 11 and 10 0x01C7 0C80 VFILT1312 Vertical Filter Coefficients 13 and 12 0x01C7 0C84 VFILT1514 Vertical Filter Coefficients 15 and 14 0x01C7 0C88 VFILT1716 Vertical Filter Coefficients 17 and 16 0x01C7 0C8C VFILT1918 Vertical Filter Coefficients 19 and 18 0x01C7 0C90 VFILT2120 Vertical Filter Coefficients 21 and 20 0x01C7 0C94 VFILT2322 Vertical Filter Coefficients 23 and 22 0x01C7 0C98 VFILT2524 Vertical Filter Coefficients 25 and 24 0x01C7 0C9C VFILT2726 Vertical Filter Coefficients 27 and 26 0x01C7 0CA0 VFILT2928 Vertical Filter Coefficients 29 and 28 0x01C7 0CA4 VFILT3130 Vertical Filter Coefficients 31 and 30 0x01C7 0CA8 YENH Luminance Enhancer The Hardware 3A (H3A) module provides control loops for Auto Focus, Auto White Balance and Auto Exposure. There are 2 main components of the H3A module: • Auto Focus (AF) Engine • Auto Exposure (AE) & Auto White Balance (AWB) Engine The AF engine extracts and filters the red, green, and blue data from the input image/video data and provides either the accumulation or peaks of the data in a specified region. The specified region is a two dimensional block of data and is referred to as a “paxel” for the case of AF. The AE/AWB Engine accumulates the values and checks for saturated values in a sub sampling of the video data. In the case of the AE/AWB, the two-dimensional block of data is referred to as a “window”. The number, dimensions, and starting position of the AF paxels and the AE/AWB windows are separately programmable. The H3A register memory mapping is shown in Table 6-33. Table 6-33. H3A Register Descriptions HEX ADDRESS RANGE REGISTER ACRONYM DESCRIPTION 0x01C7 1400 PID Peripheral Revision and Class Information 0x01C7 1404 PCR Peripheral Control Register 0x01C7 1408 AFPAX1 Setup for the AF Engine Paxel Configuration 0x01C7 140C AFPAX2 Setup for the AF Engine Paxel Configuration 0x01C7 1410 AFPAXSTART Start Position for AF Engine Paxels 0x01C7 1414 AFIIRSH Start Position for IIRSH 0x01C7 1418 AFBUFST SDRAM/DDRAM Start Address for AF Engine 0x01C7 141C AFCOEF010 IIR Filter Coefficient Data for SET 0 0x01C7 1420 AFCOEF032 IIR Filter Coefficient Data for SET 0 0x01C7 1424 AFCOEFF054 IIR Filter Coefficient Data for SET 0 0x01C7 1428 AFCOEFF076 IIR Filter Coefficient Data for SET 0 Peripheral Information and Electrical Specifications 216 Submit Documentation Feedback |
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