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參數(shù)資料
| 型號(hào)： | SAA6721E |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 圖形處理器 |
| 英文描述： | SXGA RGB to TFT graphics engine(XGA RGB 到 TFT圖形引擎) |
| 中文描述： | GRAPHICS PROCESSOR, PBGA292 |
| 封裝： | 27 X 27 MM, 1.75 MM HEIGHT, PLASTIC, SOT-489-1, BGA-292 |
| 文件頁(yè)數(shù)： | 56/72頁(yè) |
| 文件大?。?/td> | 360K |
| 代理商： | SAA6721E |
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1999 May 11
56
Philips Semiconductors
Preliminary specification
SXGA RGB to TFT graphics engine
SAA6721E
If the colour correction unit is switched to bypass mode
(when colour_correction_on is not asserted), the incoming
colours are used for further processing.
Writing to the colour correction table is possible during
data processing.
8.11
On screen display
8.11.1
OSD
GENERALS
The implemented OSD is a character based window
system. It consists of a character matrix memory where all
character definitions are stored, and an OSD window
memory defining the OSD window’s contents. The OSD
window will be inserted into the video data stream if
osd_active is set to logic 1. Writing to these memories can
be done during data processing.
8.11.2
OSD
WINDOW
The OSD window contains the character, colour and
appearance information to be displayed. Such a definition
exists for each character position. A character can use one
of 8 different foreground and background colours. Some of
these colours can be defined as transparent colours where
the original picture information will be displayed instead,
as alpha blended colours where a 1 : 1 or 1 : 2 alpha
blending will be done between picture and OSD, or as
normal colours. Transparency or alpha blending effects
will be enabled or disabled for the single characters.
The size and outline of the visible OSD window can be
programmed as long as the internal memory meets the
needs. This memory is able to store information of
1152 characters information.
The programming registers osd_v_size and osd_h_size
define the OSD window size in characters. The window
position inside the output frame must be defined with
osd_v_offset and osd_h_offset (see Fig.20).
The OSD can be programmed to use a 24
×
24 character
matrix, or a 12
×
16 matrix. The first one should be used for
Kanji and the second for standard characters.
The selection of the font size is done by char_size.
A logic 1 selects 24
×
24 font, and a logic 0 the smaller
12
×
16 font. If the small 12
×
16 font is used, up to
128 different characters can be defined. Alternatively up to
42 characters of the larger 24
×
24 font can be used.
Table 18 gives some possible OSD settings.
Fig.20 OSD window positioning.
MHB260
handbook, halfpage
OUTPUT FRAME
OSD
osd_h_offset
osd_v_offset
osd_v_size
osd_h_size
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| SAA7102E | Digital video encoder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA6750 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Encoder for MPEG2 image recording EMPIRE |
| SAA6750H | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Encoder for MPEG2 image recording EMPIRE |
| SAA6752HS | 制造商:PHILIPS 制造商全稱(chēng):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(chēng):NXP Semiconductors 功能描述:MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer |
| SAA6752HS/V103,557 | 功能描述:IC AUD/VID ENCODER MPEG 208-SQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類(lèi)型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱(chēng):Q4645799 |
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