W88611P/W88631F
VCD 4X RF AMP/DIGITAL SERVO & DSP
W88611P
GENERAL DESCRIPTION
W88611P is a CMOS IC developed for VCD and CD
Player use. It includes a RF amplifier, tracking error
amplifier, focus error amplifier, etc..., on a single chip.
Wide data capture range (+/- 1.5 channel clock, up to
4X speed)
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Wide frame jitter margin (+/- 4 frames) with built-in
deinterleaved SRAM
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EFM protected demodulator
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Digital spindle motor control by CLV
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Error correction capabilities
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Subcode data processing
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Audio data processing, Concealment strategy, digital
attenuation and soft mute
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Audio data output interface
--- standard EBU digital audio output interface
--- D/A converter interface and CD-ROM interface
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Extended general I/O port simplifies system design
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100-pin QFP package
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FEATURES
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RF amplifier, tracking error amplifier, focus error
amplifier, APC circuit, and reference amplifier
included on a single chip
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On-chip RF output signal automatic gain control
(AGC) and peak to peak envelop detection
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Single 5V power supply
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32-pin PLCC package
APPLICATIONS
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VCD player
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SVCD player
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Multimedia system
Following figure shows a typical VCD/SVCD connection
diagram of W88611P/W88631F
W88631F
GENERAL DESCRIPTION
W88631F provides CD signal processing decoding
functions and all servo functions needed in a three-spot
CD system. This chip has a high degree of integration to
reduce the number of external components required.
FEATURES
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Servo Board
VCD/SVCD
MPEG Board
Digital Servo & DSP
W88631F
1X, 2X and up to 4X speed modes are supported
Chip clock 33.8688 MHz
Serial microcomputer interface
Fully digital servo processing (focus, tracking,
sledge, spindle servo)
Fully automatic adjustment (focus / tracking gain,
offset, balance)
Wide range of adjustable servo characteristics
possible
Built-in access procedure
Focus automatic start up
Trackloss, Shock, Defect, Dropout detection
Fully digital data recovery (digital equalizer, data
slicer, PLL)
Sony KSS213
RF Amplifier
W88611P
•MPEG Decoder
•MCU
•TV Encoder
•Audio DAC
Motor Driver
Winbond Corporate Headquarters
Tel : 886-3-5790666
Fax : 886-3-5796139
Taipei Sales Office
Tel : 886-2-27190505
Fax : 886-2-27197502
Winbond Electronics North America Corp.
Tel : 1-408-943666
Fax : 1-408-9436668
Winbond Electronics H.K. Ltd.
Tel : 852-27513100
Fax : 852-27552064
Jan 1999
Details are subject to change without notice. All trademarks are property of their respective holders.