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參數(shù)資料
| 型號： | 935165940112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDSO24 |
| 封裝： | PLASTIC, SOT-137-1, SO-24 |
| 文件頁數(shù)： | 23/66頁 |
| 文件大?。?/td> | 445K |
| 代理商： | 935165940112 |
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1995 Jan 19
3
Philips Semiconductors
Preliminary specication
Stand-alone OSD
PCA8515
1
FEATURES
Display RAM: 256 × 13 bits
Display character fonts: 253 (fixed in ROM, mask
programmable)
Starting position of the first character displayed:
64 vertical and 64 horizontal starting positions can be
selected by software
Character size: 4 different character sizes on a
line-by-line basis (1 dot = 1H/1V; 2H/2V; 3H/3V and
4H/4V)
Character matrix: 12 × 18 with no spacing between
characters and no rounding function
Foreground colours: 16 combinations of Red, Green,
Blue and Intensity on character-by-character basis
Background/shadowing modes: 4 modes available, No
background, Box shadowing, North-West shadowing
and Frame shadowing (raster blanking) on frame basis
Background colours: 16 combinations of Red, Green,
Blue and Intensity on word-by-word basis. Available
when background mode is in either the Box shadowing,
North-West shadowing or Frame shadowing mode
OSD oscillator: on-chip Phase-Locked Loop (PLL)
Character blinking ratio: 1 : 1, 1 : 3 and 3 : 1
(programmable frequency of 1
16, 132, 164 or 1128 of
fVSYNC) on character basis
Display format: flexible display format by using the
Carriage Return Code, maximum number of characters
per line is also flexible and depends on the OSD clock
frequency
Spacing between lines: 4 choices comprising 0, 4, 8 and
12 horizontal scan lines
Display character RAM address-auto-post increment
when writing data
Fast I2C-bus serial interface (400 kbaud) or High-speed
3-wire serial interface (1 Mbaud) for data/command
transfer
ACM (Active Character Monitor) specifically for use in
camrecorder applications on word basis; can also be
used as a 5th colour control with R, G, B and I signals
Programmable active input polarity of HSYNC and
VSYNC
Programmable output polarity of R, G, B, I and FB
Supply voltage: 5 V ±10%
Operating temperature: 20 to +70 °C
Package: SDIP24 or SO24.
2
GENERAL DESCRIPTION
The PCA8515 is a member of the PCA85XX CMOS family
and is an on-screen character display generator controlled
by a microcontroller via the on-chip fast I2C-bus interface
or the on-chip High-speed 3-wire serial interface. It is
suitable for use in high-end TV or camrecorder
applications and has also been designed for use in
conventional mid-end TV with advanced graphic features.
3
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
PCA8515P
SDIP24
plastic shrink dual in-line package; 24 leads (400 mil)
SOT234-1
PCA8515T
SO24
plastic small outline package; 24 leads; body width 7.5 mm
SOT137-1
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