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參數(shù)資料
| 型號(hào)： | SAA6713H |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | XGA dual input flat panel controller |
| 中文描述： | 雙輸入的XGA液晶控制器 |
| 文件頁(yè)數(shù)： | 72/103頁(yè) |
| 文件大?。?/td> | 521K |
| 代理商： | SAA6713H |
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2004 Apr 05
72
Philips Semiconductors
Product specification
XGA dual input flat panel controller
SAA6713H
7.14.2
OSD
BITMAP
The OSD bitmap part can be used for displaying pixel
based multicolour graphics along with the regular text
based OSM (see Fig.22). Its display position can be
defined anywhere in the picture (OSDB_PX and
OSDB_PY)andliketheOSDtextitcanbezoomed,flipped
and rotated according to the settings within its control
register OSDB_CTRL0. It is allowed to overlap with a
displayed OSD text window if desired. In this event the
bitmap_behind flag (OSDB_CTRL0[6]) defines whether
the bitmap part appears on top or behind the OSD text
information. Two separate alpha-blending values
(bg_alpha and fg_alpha) define a blending value for the
OSD bitmap and separate transparent flags provide the
possibility to define either the foreground or the
background from transparent to solid. The display colours
are again defined on a separate osd_bitmap palette inside
theosd_colourdefinition page 9soeachpixelcanuseone
of the defined 16 colours where bitmap colour 0 is always
treated as background. The OSD bitmap uses an internal
memory of 4 kbyte RAM in which the graphic pixels are
stored (see Table 48). It can be parametrized freely in
width (OSDB_SX), height (OSDB_SY) and colour depth
(OSDB_CTRL1[6:5], bits per pixel) with the restriction that
the needed memory size still fits into the 4 kbyte memory
address space.
handbook, full pagewidth
MHC229
picture
OSDB_SX (= 12)
OSDB_SY
(= 11)
OSDB_PX
OSDB_PY
Fig.22 OSD bitmap structure.
Table 48
Bitmap RAM configurations; note 1
Note
1.
X = don’t care.
BPP
CODE
USED BITS
PER PIXEL
USED
COLOURS
DISPLAYABLE
PIXELS
EXAMPLE WINDOW SIZES
(NOT ZOOMED)
256
×
128; 181
×
181
256
×
64; 128
×
128
256
×
32; 90
×
90
00
01
1X
1
2
4
2
4
16
32768
16384
8192
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA6713H/V1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:XGA dual input flat panel controller |
| SAA6721 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:SXGA RGB to TFT graphics engine |
| 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 |
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