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YMU757
MA-1
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YAMAHA CORPORATION
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YMU757 CATALOG
CATALOG No.:LSI-4MU757A2
2000.2
Outline
The Y M U 757 isa high quality melody LSIforcellularphone handsets,supporting the data formatforvariousapplications
including ringing and holding melody sounds.The built-in Yam aha'
s originalFM synthesizercan create various timbres,
and its built-in sequencercan produce up to 4 differentsounds with 4 differenttimbres simultaneously withoutplacing a
load to the controller.
The serialportcontrollerinterface enables realtime reproduction ofthe melody data via FIFO ,withoutthe limitation of
the data capacity.
With a built-in am plifierto drive the dynam ic type speaker,itispossible to connectthe speakerdirectly.
ThisLSIalso hasan analog-outputterminalforthe phone jack.In the stand-by m ode,the pow erconsum ption
can be reduced to 1 A orlesswhile waiting.
A portable terminalm achine.
Features
YA M A HA '
soriginalFM sound generatorfunction
Built-in sequencer
Capable ofproducing up to 4 differentsoundssimultaneously (4 independenttimbresavailable)
Built-in output400m W speakeram plifier
Built-in circuitforsound quality correcting equalizer
Built-in serialinterface
2.688,8.4,12.6,14.4,19.2,19.68,19.8 and 27.82 MH z serialclock inputssupport
Analog outputforearphone.
Pow erdow n m ode (Typ 1A orless)
Pow ersupply voltage (Digitaland Analog):3.0V ±10 %
20-pin TSSO P