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參數(shù)資料
| 型號： | SAA6703AH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顯示控制器 |
| 英文描述： | CRT OR FLAT PNL GRPH DSPL CTLR, PQFP160 |
| 封裝： | 28 X 28 MM, 3.40 MM HEIGHT, PLASTIC, MS-022, SOT-322-2, QFP-160 |
| 文件頁數(shù)： | 64/97頁 |
| 文件大?。?/td> | 488K |
| 代理商： | SAA6703AH |
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2004 Apr 01
67
Philips Semiconductors
Product specication
XGA analog input at panel controller
SAA6703AH
7.13.2
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) and like the OSD text it can be zoomed, 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
the osd_colour definition page 9 so each pixel can use one
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 46). 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 46 Bitmap RAM congurations; note 1
Note
1. X = don’t care.
BPP
CODE
USED BITS
PER PIXEL
USED
COLOURS
DISPLAYABLE
PIXELS
EXAMPLE WINDOW SIZES
(NOT ZOOMED)
00
1
2
32768
256
× 128; 181 × 181
01
2
4
16384
256
× 64; 128 × 128
1X
4
16
8192
256
× 32; 90 × 90
相關PDF資料 |
PDF描述 |
|---|---|
| SAA7157T-T | 29 MHz, VIDEO CLOCK GENERATOR, PDSO20 |
| SAA7388GP-T | 8-BIT, 50.4 MHz, MICROCONTROLLER, PQFP80 |
| SAB-C163-16F25F | 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP100 |
| SAB-C165-L25F | 16-BIT, 14 MHz, MICROCONTROLLER, PQFP100 |
| SAB-C165-R25M | 16-BIT, MROM, 14 MHz, MICROCONTROLLER, PQFP100 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SAA6712E | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:XGA RGB to TFT graphics engine |
| SAA6713AH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:XGA analog input flat panel controller |
| SAA6713AH/V1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:XGA analog input flat panel controller |
| SAA6713H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:XGA dual input flat panel controller |
| SAA6713H/V1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:XGA dual input flat panel controller |
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