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SPCA711A Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers

Part No. SPCA711A
Description  DIGITAL VIDEO ENCODER FOR VIDEOCD
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SPCA711A
DIGITAL VIDEO ENCODER FOR VIDEOCD
GENERAL DESCRIPTION
The SPCA711A is designed specifically for VideoCD, video games and other digital video systems, which
require the conversion of digital YCrCb (MPEG) data to analog NTSC/PAL video.
The device supports a glue-
less interface to most popular MPEG decoders.
The SPCA711A supports worldwide video standards, including
NTSC (N America, Japan) PAL-B, D, G, H, I (Europe, Asia), PAL-M (Brazil), PAL-N (Uruguay, Paraguay), and
PAL-Nc (Argentina).
Furthermore, the SPCA711A operates with a single 2x clock and can be powered with a
single 3.3V supply.
The composite analog video signal is output simultaneously onto two outputs.
Therefore,
it allows one output to provide base-band composite video while the other drives a RF modulator.
Alternatively,
analog luminance (Y) and chrominance (C) information is available for interfacing to S-video equipment.
As a
slave, the SPCA711A automatically detects the input data formats (PAL/NTSC, CCIR601) and switches
internally to provide the proper format on the outputs.
This feature, along with the on-board voltage reference
and single clock interface, makes the SPCA711A extremely simple to use.
In addition, use of 2x over-sampling
on-chip simplifies external filter design resulting in reduced overall system cost.
FEATURES
! 8-bit 4:2:2 YCrCb inputs for glue-less interface to
MPEG decoders
! NTSC/PAL/PAL-M/PAL-Nc composite video outputs
! CVBS or S-video outputs
! 3.3 V supply voltage
! CCIR 601 operation
! 2x over sampling simplifies external filtering
! 9-bit DACs
! Master or slave video timing
! Interlaced operation
! Automatic mode detection/switching in slave mode
! On-board voltage reference
! 27MHz crystal oscillator input
! 32-pin PLCC package
BLOCK DIAGRAM
Latch
2 x
Upsample
Mod.
and
Mixer
1.3MHz
LPF
Internal
VREF
DAC
DAC
CLK
P[7:0]
HSYNC*
VSYNC*
MODE[3:0]
MASTER
CBSWAP
SVIDEO
SLEEP
VBIAS VREFOUT
FSADJUST
COMP
VRDAC
CVBS/Y
CVBS/C
9
9
APPLICATIONS
! VideoCD
! Karaoke/video games
! Digital Video Disk (DVD)
! Digital VCR
! Digital set top box




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