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TNETV1647GSTZWT Datasheet(PDF) 174 Page - Texas Instruments |
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TNETV1647GSTZWT Datasheet(HTML) 174 Page - Texas Instruments |
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174 / 236 page  TMS320DM6441 SPRS359E – SEPTEMBER 2006 – REVISED AUGUST 2010 www.ti.com The following restrictions exist in the OSD module. • Both the OSD windows and VIDWIN1 should be fully contained inside VIDWIN0. • When one of the OSD windows is set in RGB mode, it cannot overlap with VIDWIN1. • The OSD cannot support more than 256 color entries in the CLUT RAM/ROM. Some applications require higher number of entries, and one workaround is to use VIDWIN1 as an overlay mimicking the OSD window. Another option is to use the RGB mode for one of the OSD windows which allows for a total of 16-bits for the R, G, and B colors (64K colors). • The OSD can only read YCbCr in 4:2:2 interleaved format for the video windows. Other formats, either color separate storage or 4:4:4/4:2:0 interleaved data is not supported. • If the vertical resize filter is enabled for either of the video windows, the maximum horizontal window dimension cannot be greater than 720 currently. • It is not possible to use both of the CLUT ROMs at the same time. However, one window can use RAM while another uses ROM. • The 24-bit RGB input mode is only valid for one of the two video windows (programmable) and does not apply to the OSD windows. The OSD register memory mapping is shown in Table 6-58. Table 6-58. OSD Register Descriptions Address Register Description 0x01C7 2600 MODE OSD Mode Register 0x01C7 2604 VIDWINMD Video Window Mode Setup 0x01C7 2608 OSDWIN0MD OSD Window Mode Setup 0x01C7 260C OSDWIN1MD OSD Window 1 Mode Setup (when used as a second OSD window) 0x01C7 260C OSDATRMD OSD Attribute Window Mode Setup (when used as an attribute window) 0x01C7 2610 RECTCUR Rectangular Cursor Setup 0x01C7 2614 RSV0 Reserved 0x01C7 2618 VIDWIN0OFST Video Window 0 Offset 0x01C7 261C VIDWIN1OFST Video Window 1 Offset 0x01C7 2620 OSDWIN0OFST OSD Window 0 Offset 0x01C7 2624 OSDWIN1OFST OSD Window 1 Offset 0x01C7 2628 RSV1 Reserved 0x01C7 262C VIDWIN0ADR Video Window 0 Address 0x01C7 2630 VIDWIN1ADR Video Window 1 Address 0x01C7 2634 RSV2 Reserved 0x01C7 2638 OSDWIN0ADR OSD Window 0 Address 0x01C7 263C OSDWIN1ADR OSD Window 1 Address 0x01C7 2640 BASEPX Base Pixel X 0x01C7 2644 BASEPY Base Pixel Y 0x01C7 2648 VIDWIN0XP Video Window 0 X-Position 0x01C7 264C VIDWIN0YP Video Window 0 Y-Position 0x01C7 2650 VIDWIN0XL Video Window 0 X-Size 0x01C7 2654 VIDWIN0YL Video Window 0 Y-Size 0x01C7 2658 VIDWIN1XP Video Window 1 X-Position 0x01C7 265C VIDWIN1YP Video Window 1 Y-Position 0x01C7 2660 VIDWIN1XL Video Window 1 X-Size 0x01C7 2664 VIDWIN1YL Video Window 1 Y-Size 0x01C7 2668 OSDWIN0XP OSD Bitmap Window 0 X-Position 0x01C7 266C OSDWIN0YP OSD Bitmap Window 0 Y-Position 0x01C7 2670 OSDWIN0XL OSD Bitmap Window 0 X-Size 174 Peripheral and Electrical Specifications Copyright © 2006–2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS320DM6441 |
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