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LC750512E 데이터시트(PDF) 1 Page - Sanyo Semicon Device |
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LC750512E 데이터시트(HTML) 1 Page - Sanyo Semicon Device |
1 / 9 page 83006 / 61506HKIM No.A0179-1/9 LC750512E Overview 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 2C (Inter-Integrated Circuit) –support interface. Features 1. Hardware configuration that allows installation of audio algorithm functions related to audio/video products • Program ROM: 24 bits×8K words • Data RAM: 24 bits×4K words×2 planes, 24 bits×1K words×2 planes • Audio interface: I2S input, MSB first right justified, MSB first left justified (1 port) • Audio interface: I2S output, MSB first right justified, MSB first left justified (3 ports) • Analog input: 1 port (2 channel stereo), Analog output: 1 port (2 channel stereo) 2. Audio algorithms for audio/video-related products installed • Lip sync function (correcting time lags up to 80ms between audio and video at a 48kHz sampling frequency) • Audistry function (Mono-to-Stereo Creator, Suound Space Expander, Sound Space for Headphones, Intelligent Volume Control, Natural bass) • Equalizer function (3 bands/channel, common to L and R channels) • Volume control function (0 to -79dB, in 1dB increments, -∞) • Bass/treble control (±18 dB in 1dB increments) and other basic control functions • Audistry mode/S3S mode user selectable, enabling SANYO’s proprietary surround mode Audistry mode Effect Algorithm (Name) Remarks Audistry Mono-to-Stereo Creator Generates a pseudo stereo sound from a mono signal Sound Space Expander Creates pseudo sound field (speaker) Sound Space for Headphones Creates pseudo sound field (headphone) Intelligent Volume Control AGC processing Natural Bass Low frequency enhancement CMOS IC Audistry support Audio DSP * Audistry and the sound shell logo are trademarks of Dolby Laboratories. Dolby is a registered trademark of Dolby Laboratories, Inc. Ordering number : ENA0179 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. |
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