YMF795 Datasheet

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YMF795

APL-2

Automobile sound Player-2

Outline

YMF795 is a sound source LSI to reproduce high quality melody and effect sound for in-car product. Yamaha's original

FM synthesizer embedded as a sound source can create various timbres, and also a sequencer embedded can

simultaneously generate up to four sounds with four different timbres without giving load to the controller.

Serial port is prepared as a controller interface, and no restriction of data capacity is present because melody data is

reproduced in real-time through FIFO.

A built-in amplifier to drive the dynamic speaker with 500mW power allows connecting a speaker directly.

This LSI is equipped with an analog-output pin also for the earphone jack.

In addition, supporting the standby mode can reduce the consumption current to 1 碌A(chǔ) during the standby.

Features

YAMAHA's original FM sound source function

Built-in sequencer

Capable of producing up to 4 different sounds simultaneously (4 independent timbres available).

500mW output speaker amplifier

Sound quality correcting equalizer circuit

Serial interface

Arbitrary frequency of input clock from 2.685 MHz to 27.853 MHz in 55.93 kHz steps, as well as 2.688, 8.4, 12.6, 14.4,

19.2, 19.68, 19.8, and 27.82 MHz clock inputs

Analog output for earphone

Power-down mode (Typ. 1碌A(chǔ) or less)

Supply voltage (Digital and Analog): 3.3V鹵10 %

24-pin SSOP. The plating of pins is lead-free. (YMF795-EZ)

YAMAHA CORPORATION

YMF795 CATALOG

CATALOG No.:LSI-4MF795A20

2005. 11

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