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LC75051E Datasheet

  • LC75051E

  • Sanyo Semicon Device [CMOS IC Lip-Sync Enabling Audio DSP]

  • SANYO

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Ordering number : EN*A0178
LC75051E
Overview
CMOS IC
Lip-Sync Enabling Audio DSP
The LC75051E is a single-chip audio DSP equipped with an Audio interface unit with features such as audio algorithm
and lip-sync functions, which are required by audio/video-related products for which higher and higher sound quality
levels are being demanded. The microcontroller has a CCB (Computer Control Bus) and I
2
C (Inter-Integrated Circuit)
鈥搒upport interface.
Features
1. Hardware configuration that allows installation of audio algorithm functions related to audio/video products
鈥?/div>
Program ROM: 24 bits脳8K words
鈥?/div>
Data RAM: 24 bits脳4K words脳2 planes, 24 bits脳1K words脳2 planes
鈥?/div>
Audio interface: I
2
S input, MSB first right justified, MSB first left justified (1 port)
鈥?/div>
Audio interface: I
2
S output, MSB first right justified, MSB first left justified (3 ports)
鈥?/div>
Analog input: 1 port (2 channel stereo), Analog output: 1 port (2 channel stereo)
2. Audio algorithms for audio/video-related products installed
鈥?/div>
Lip sync function (correcting time lags up to 80ms between audio and video at a 48kHz sampling frequency)
鈥?/div>
Low frequency enhancement function (S-Live: SANYO Low frequency Intelligence Virtual Excitation)
鈥?/div>
Surround function (Digital AViSS: Digital Acoustic Virtual Sound System)
鈥?/div>
Equalizer function (3 bands/channel, common to L and R channels)
鈥?/div>
Volume control function (0 to 鈥?9dB, in 1dB increments, -鈭?
鈥?/div>
Bass/treble/middle control (鹵18dB in 1dB increments) and other basic control functions
鈥?/div>
Wide variety of audio processing functions
Audio processing functions already installed in LC75051E
Effect
Low frequency enhancement
Surround
S-Live
Digital AViSS
Algorithm (Name)
Remarks
SANYO鈥檚 proprietary low frequency enhancement algorithm
SANYO鈥檚 proprietary sound field control algorithm
Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft's control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before usingany SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.
83006 / 61506HKIM No.A0178-1/9

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