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YMU757B

YAMAHA CORPORATION
Part Number YMU757B
Manufacturer YAMAHA CORPORATION
Description MA-1C
Published Jan 13, 2006
Detailed Description YMU757B MA-1C Outline The YMU75B is a high quality melody LSI for cellular phone handsets, supporting the data format fo...
Datasheet PDF File YMU757B PDF File

YMU757B
YMU757B

Overview
YMU757B MA-1C Outline The YMU75B is a high quality melody LSI for cellular phone handsets, supporting the data format for various applications including ringing and holding melody sounds.
The built-in Yamaha's original FM synthesizer can create various timbres, and its built-in sequencer can produce up to 4 different sounds with 4 different timbres simultaneously without placing a load to the controller.
The serial port controller interface enables real time reproduction of the melody data via FIFO, without the limitation of the data capacity.
With a built-in amplifier to drive the dynamic type speaker, it is possible to connect the speaker directly.
This LSI also has an analog-output terminal for the phone jack.
In the stand-by mode, the power consumption can be reduced to 1 µ A or less while waiting.
Features YAMAHA's original FM sound generator function Built-in sequencer Capable of producing up to 4 different sounds simultaneously (4 independent timbres available).
Built-in output 400mW speaker amplifier Built-in circuit for sound quality correcting equalizer Built-in serial interface 2.
688, 8.
4, 12.
6, 14.
4, 19.
2, 19.
68, 19.
8 and 27.
82 MHz serial clock inputs support And support the mode which set to optional frequency from 2.
685MHz to 27.
853MHz at 55.
93kHz intervals Analog output for ear phone Power down mode (Typ 1µA or less) Power supply voltage (Digital and Analog): 3.
0V±10 % 20-pin QFN YAMAHA CORPORATION YMU757B CATALOG CATALOG No.
:LSI-4MU757B2 2000.
4 YMU757B Contents • General description of YMU757B.
………………………………………………………………3 • Block description…….
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…………………………………………………………………………4 • Pin configuration….
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……………………………………………………………………………5 • Pin description….
………………………………………………………………………………6 • Block diagram….
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………………………………………………………………………………7 • Register map…….
………………………………………………………………………………8 • Explanation of registers….
………………………………………………………………………9-20 Musical score data.
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……………………………………………………………………9-13 Timbre data……….
……………………………………………………………………14-17 Other control data…...


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