W88611P/W88631F
VCD 4X RF AMP/DIGITAL SERVO & DSP
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Wide data capture range (+/- 1.5 channel clock, up to
4X speed)
Wide frame jitter margin (+/- 4 frames) with built-in
deinterleaved SRAM
W88611P
GENERAL DESCRIPTION
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EFM protected demodulator
Digital spindle motor control by CLV
Error correction capabilities
Subcode data processing
Audio data processing, Concealment strategy, digital
attenuation and soft mute
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.
FEATURES
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Audio data output interface
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RF amplifier, tracking error amplifier, focus error
amplifier, APC circuit, and reference amplifier
included on a single chip
On-chip RF output signal automatic gain control
(AGC) and peak to peak envelop detection
Single 5V power supply
--- standard EBU digital audio output interface
--- D/A converter interface and CD-ROM interface
Extended general I/O port simplifies system design
100-pin QFP package
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32-pin PLCC package
APPLICATIONS
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VCD player
SVCD player
Multimedia system
W88631F
GENERAL DESCRIPTION
Following figure shows a typical VCD/SVCD connection
diagram of W88611P/W88631F
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
Servo Board
VCD/SVCD
MPEG Board
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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)
Digital Servo & DSP
W88631F
•MPEG Decoder
•MCU
•TV Encoder
•Audio DAC
RF Amplifier
W88611P
Sony KSS213
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Fully automatic adjustment (focus / tracking gain,
offset, balance)
Wide range of adjustable servo characteristics
possible
Motor Driver
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Built-in access procedure
Focus automatic start up
Trackloss, Shock, Defect, Dropout detection
Fully digital data recovery (digital equalizer, data
slicer, PLL)
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
Details are subject to change without notice. All trademarks are property of their respective holders.
Jan 1999