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參數(shù)資料
| 型號： | SAA6721 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | SXGA RGB to TFT graphics engine |
| 中文描述： | SXGA RGB到液晶圖形引擎 |
| 文件頁數(shù)： | 54/72頁 |
| 文件大?。?/td> | 360K |
| 代理商： | SAA6721 |
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1999 May 11
54
Philips Semiconductors
Preliminary specification
SXGA RGB to TFT graphics engine
SAA6721E
8.8
Overlay port
8.8.1
O
VERLAY INSERTION
If ovl_syncs_active is HIGH, the vertical and horizontal
sync signals for the external OSD controller are generated.
The flag ovl_insert_active switches on the insertion of the
information at the overlay port provided by an external
OSD controller into the data stream at the position defined
by ovl_v_offset, ovl_hs_start, and ovl_hs_latency
(see Fig.18).
The incoming data from ports ovl0 and ovl1 is replaced by
the defined colour information and treated as a double
pixel, which will be inserted into the data stream if OVACT
is set. The pixel at port 0 is then the left pixel, and the pixel
at port 1 is the right pixel. The sampling of the ports ovl0
and ovl1 is done on the positive edge of OVCLK in the
event that sample_edge is asserted, otherwise on the
falling edge of OVCLK.
Fig.18 Overlay window positioning.
handbook, full pagewidth
MHB258
OUTPUT FRAME
OVERLAY
WINDOW
ovl_v_offset
ovl_hs_start
ovl_hs_latency
ovl_h_length
ovl_v_length
ovl_vs_start
one line Vsync
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA6721E | SXGA RGB to TFT graphics engine(XGA RGB 到 TFT圖形引擎) |
| SAA6750 | Encoder for MPEG2 image recording EMPIRE |
| SAA6750H | Encoder for MPEG2 image recording EMPIRE |
| SAA6752HS | MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer |
| SAA7102 | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:12; Connector Shell Size:28; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Body Style:Straight |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA6721E | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:SXGA RGB to TFT graphics engine |
| SAA6750 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Encoder for MPEG2 image recording EMPIRE |
| SAA6750H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Encoder for MPEG2 image recording EMPIRE |
| SAA6752HS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer |
| SAA6752HS/V103 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer |
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