YMF795 Datasheet, PDF (1/45 Pages) YAMAHA CORPORATION – APL-2 Automobile sound Player-2

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 µA 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. 1µA or less)
Supply voltage (Digital and Analog): 3.3V±10 %
24-pin SSOP. The plating of pins is lead-free. (YMF795-EZ)
YAMAHA CORPORATION
YMF795 CATALOG
CATALOG No.:LSI-4MF795A20
2005. 11