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LC750512E Datasheet

  • LC750512E

  • Sanyo Semicon Device [CMOS IC Audistry support Audio DSP]

  • SANYO

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Ordering number : ENA0179
LC750512E
Overview
CMOS IC
Audistry support Audio DSP
The LC750512E 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>
Audistry function (Mono-to-Stereo Creator, Suound Space Expander, Sound Space for Headphones,
Intelligent Volume Control, Natural bass)
鈥?/div>
Equalizer function (3 bands/channel, common to L and R channels)
鈥?/div>
Volume control function (0 to -79dB, in 1dB increments, -鈭?
鈥?/div>
Bass/treble control (鹵18 dB in 1dB increments) and other basic control functions
鈥?/div>
Audistry mode/S3S mode user selectable, enabling SANYO鈥檚 proprietary surround mode
Audistry mode
Effect
Audistry
Algorithm (Name)
Mono-to-Stereo Creator
Sound Space Expander
Sound Space for Headphones
Intelligent Volume Control
Natural Bass
Remarks
Generates a pseudo stereo sound from a mono signal
Creates pseudo sound field (speaker)
Creates pseudo sound field (headphone)
AGC processing
Low frequency enhancement
* Audistry and the sound shell logo are trademarks of Dolby Laboratories.
Dolby is a registered trademark of Dolby Laboratories, Inc.
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.A0179-1/9

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