LC786961W Datasheet, PDF (2/29 Pages) Sanyo Semicon Device – Compact Disc Player IC

Detail of Functions
LC786961W
[CD DSP functions]
<Playback functions>
• Playback mode: CLV playback/Jitter free playback (VCEC)
• Playback speed: Normal speed, double speed , Quadruple speed
<RF Processing block>
• RF system:AGC, CD-R and CD-R/W playback support, peak hold, bottom hold
• Error system: TE signal generation, FE signal generation
• Detection: Track count signal, Jitter, Defect (black, mirror)
• LASER power controller (APC)
• DC offset voltage cancellation
<Servo control block>
• All servo systems as tracking, focus, sled and spindle are implemented with digital processing.
• Automatic adjustment functions: focus gain, focus bias, focus offset,
tracking gain, tracking offset and tracking balance
• Shock detection / Interruption detection
<CD signal processing block>
• EFM signal synchronization detection, protection and interpolation
• Error detection, correction (C1=double, C2=quadruple/double)
• Jitter margin ±19 frames
<CD TEXT processing block>
• Buffers CD-TEXT data to the desired area of SDRAM
• Starts buffering desired ID3/ID4 of CD-TEXT data.
<CD-DA Anti-shock processing block>
• Anti-shock processing using with SDRAM
Maximum about 10 seconds with 16M bit SDRAM and about 40 seconds with 64M bit SDRAM
<CD-ROM processing block>
• CD-ROM decoding (Mode1, Mode2 <form1, form2>)
• Outputs CD-ROM decoded data
[Compressed audio decode functions]
• MP3 decode (ISO/IEC 11172-3, ISO/IEC 13818-3)
Sampling rate support: MPEG1-Layer1/2/3 (32kHz, 44.1kHz, 48kHz)
MPEG2-Layer1/2/3 (16kHz, 22.05kHz, 24kHz)
MPEG2.5-Layer3 ( 8kHz, 11.025kHz, 12kHz)
Bit rate support:
All Bit Rate (Variable Bit Rate support)
MPEG header read support
• WMA decode (Version 9 standard)
Sampling rate support: 8kHz, 11.025kHz, 16kHz, 22.05kHz, 32kHz, 44.1kHz, 48kHz
Bit rate support:
5kbps to 384kbps (Variable Bit Rate support)
• AAC decode (ISO/IEC 14496-3, ISO/IEC 13818-7)
Profile:
MPEG4-AAC-LowComplexity
Sampling rate support: 8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz,
48kHz
Bit rate support:
Monaural 8kbps to 160kbps (Variable bit rate support)
Stereo 16kbps to 320kbps (Variable bit rate support)
• Decodes both the compressed data read from the disc and input from outside through the interface pins
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