參數(shù)資料
型號： VPX322XE
廠商： MICRONAS SEMICONDUCTOR HOLDING AG
英文描述： Video Pixel Decoders
中文描述： 視頻解碼器像素
文件頁數(shù)： 6/92頁
文件大?。?/td> 567K
代理商： VPX322XE
ADVANCE INFORMATION
VPX 322xE
6
Micronas
Video Pixel Decoders
Note: This data sheet describes functions and char-
acteristics of VPX 322xE-A1.
1. Introduction
The Video Pixel Decoders VPX 322xE are the third gen-
eration of full feature video acquisition ICs for consumer
video and multimedia applications. All of the processing
necessary to convert an analog video signal into a digital
component stream have been integrated onto a single
44-pin IC. Moreover, the VPX 3225E and VPX 3226E
provide text slicing for intercast, teletext, and closed
caption. For improved Y/C separation, the VPX 3226E
includes an adaptive 4H comb filter. All chips are pin
compatible to VPX 3220A, VPX 3214C, and VPX 322xD.
Their notable features include:
Video Decoding
–
high-performance adaptive 4H comb filter Y/C separa-
tor with adjustable vertical peaking (VPX 3226E only)
–
multistandard color decoding:
NTSC-M, NTSC-443
PAL-BDGHI, PAL-M, PAL-N, PAL-60
SECAM
S-VHS
–
two 8-bit video A/D converters with clamping and auto-
matic gain control (AGC)
–
four analog inputs with integrated selector for:
3 composite video sources (CVBS), or
2 Y/C sources (S-VHS), or
2 composite video sources and one Y/C source.
–
horizontal and vertical sync detection for all standards
–
decodes and detects Macrovision 7.1 protected video
Video Processing
–
hue, brightness, contrast, and saturation control
–
dual window cropping and scaling
–
horizontal resizing between 32 and 864 pixels/line
–
vertical resizing by line dropping
–
high-quality anti-aliasing filter
–
scaling controlled peaking and coring
Video Interfacing
–
YC
b
C
r
4:2:2 format
–
ITU-R 601 compliant output format
–
ITU-R 656 compliant output format
–
BStream compliant output format
–
square pixel format (640 or 768 pixel/line)
–
8-bit or 16-bit synchronous output mode
–
13.5 MHz/16-bit and 27 MHz/8-bit output rate
–
VBI bypass and raw ADC data output
Data Broadcast Support (VPX 3225/6E only)
–
high-performance data slicing in hardware
–
multistandard data slicer
NABTS, WST
CAPTION (1x, 2x), VPS, WSS, Antiope
–
full support for
Teletext, Intercast, Wavetop,
WebTV for Windows, EPG services
–
programmable to new standards via I
2
C
–
VBI and Full-Field mode
–
data insertion into video stream
–
simultaneous acquisition of Teletext, VPS, WSS, and
Caption
Miscellaneous
–
44-pin PLCC and PMQFP packages
–
reduced power consumption of below 500 mW
–
I
2
C serial control, 2 different device addresses
–
on-chip clock generation, only one crystal needed for
all standards
–
user programmable output pins
–
power-down mode
–
IEEE 1149.1 (JTAG) boundary scan interface
–
8 input or user programmable output pins
Software Support
–
MediaCVR Software Suite
Video for Windows driver
TV viewer applet, Teletext browser
Intercast/Wavetop browser
–
WebTV for Windows
Video capture and VBI services
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