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| 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) * Wide frame jitter margin (+/- 4 frames) with built-in deinterleaved SRAM * 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 * Audio data output interface --- 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 * FEATURES * 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 * 32-pin PLCC package APPLICATIONS * VCD player * SVCD player * 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 * * * * * * * * * * 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. |
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