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. 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 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 APPLICATIONS • VCD player • SVCD player • Multimedia system 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. Following figure shows a typical VCD/SVCD connection diagram of W88611P/W88631F FEATURES • • • • • • • • • • Servo Board VCD/SVCD MPEG Board 1X, 2X and up to 4X speed modes are supported Chip clock 33.8688 MHz Digital Servo & DSP W88631F 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) Winbond Corporate Headquarters Tel : 886-3-5790666 Fax : 886-3-5796139 Taipei Sales Office Tel : 886-2-27190505 Fax : 886-2-27197502 Sony KSS213 RF Amplifier W88611P Motor Driver Winbond Electronics North America Corp. Tel : 1-408-943666 Fax : 1-408-9436668 Details are subject to change without notice. All trademarks are property of their respective holders. •MPEG Decoder •MCU •TV Encoder •Audio DAC Winbond Electronics H.K. Ltd. Tel : 852-27513100 Fax : 852-27552064 Jan 1999