MA-1C. YMU757B Datasheet

YMU757B Datasheet PDF, Equivalent


Part Number

YMU757B

Description

MA-1C

Manufacture

YAMAHA CORPORATION

Total Page 30 Pages
PDF Download
Download YMU757B Datasheet


YMU757B Datasheet
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 µA 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 Datasheet
YMU757B
Contents
• General description of YMU757B.………………………………………………………………3
• Block description……..…………………………………………………………………………4
• Pin configuration…..……………………………………………………………………………5
• Pin description….………………………………………………………………………………6
• Block diagram…..………………………………………………………………………………7
• Register map…….………………………………………………………………………………8
• Explanation of registers….………………………………………………………………………9-20
Musical score data...……………………………………………………………………9-13
Timbre data……….……………………………………………………………………14-17
Other control data………………………………………………………………………17-20
• Power-down control division diagram……………………………………………………………21
• Explanation of each bit..…...……………………………………………………………………21-23
• Resetting………………………………………..….………………………………………………24
• Settings & procedure required to generate melody…………………………………………………24
• Settings of clock frequency…………………………………………………………………………24
• Interrupt sequence...…..…………………………………………………………………………25
• State transition description..……...………………………………………………………………26-27
• Operation in FIFO empty state...…………………………………………………………………28
• Reproduction method assuming occurrence of empty state…………………………………………28
• Example of system connection...…………………………………………………………………29
• One sound and volume level adjustment in 4 sound pronunciation.…………………………………30-31
• Sound quality correction circuit.…………………………………………………………………32-33
• Serial interface specifications.……………………………………………………………………34
• Electrical characteristics….………………………………………………………………………35-40
• General description of FM sound generator.………………………………………………………41
• External dimensions……..………………………………………………………………………42
-2-


Features Datasheet pdf YMU757B MA-1C Outline The YMU75B is a hi gh quality melody LSI for cellular phon e handsets, supporting the data format for various applications including ring ing and holding melody sounds. The buil t-in Yamaha's original FM synthesizer c an create various timbres, and its buil t-in sequencer can produce up to 4 diff erent sounds with 4 different timbres s imultaneously without placing a load to the controller. The serial port contro ller interface enables real time reprod uction of the melody data via FIFO, wit hout the limitation of the data capacit y. With a built-in amplifier to drive t he 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 mo de, the power consumption can be reduce d to 1 µ A or less while waiting. Fea tures YAMAHA's original FM sound genera tor function Built-in sequencer Capable of producing up to 4 different sounds simultaneously (4 independent timbres available). Built-in outpu.
Keywords YMU757B, datasheet, pdf, YAMAHA CORPORATION, MA-1C, MU757B, U757B, 757B, YMU757, YMU75, YMU7, Equivalent, stock, pinout, distributor, price, schematic, inventory, databook, Electronic, Components, Parameters, parts, cross reference, chip, Semiconductor, circuit, Electric, manual, substitute




@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)