參數(shù)資料
型號(hào)： PCA8514
廠商： NXP Semiconductors N.V.
英文描述： Stand-alone OSD
中文描述： 單機(jī)OSD
文件頁(yè)數(shù)： 3/64頁(yè)
文件大?。?/td> 322K
代理商： PCA8514
1995 Nov 27
3
Philips Semiconductors
Product specification
Stand-alone OSD
PCA8514
1
FEATURES
Display RAM: 256
×
12 bits
Display character fonts: 128 (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
,
1
32
,
1
64
or
1
128
of
f
VSYNC
) 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 upon 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 I
2
C-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
camcorder 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 PCA8514 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 I
2
C-bus interface
or the on-chip High-speed 3-wire serial interface. It is
suitable for use in high-end TV or camcorder 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
PCA8514P
PCA8514T
SDIP24
SO24
plastic shrink dual in-line package; 24 leads (400 mil)
plastic small outline package; 24 leads; body width 7.5 mm
SOT234-1
SOT137-1
相關(guān)PDF資料
PDF描述
PCA8514P Stand-alone OSD
PCA8514T Stand-alone OSD
PCA8515 Stand-alone OSD
PCA8515P Stand-alone OSD
PCA8515T Stand-alone OSD
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCA8514P 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Stand-alone OSD
PCA8514T 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Stand-alone OSD
PCA8515 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Stand-alone OSD
PCA8515P 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Stand-alone OSD
PCA8515T 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Stand-alone OSD
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