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PDF YMU757B Data sheet ( Hoja de datos )
| Número de pieza | YMU757B | |
| Descripción | MA-1C | |
| Fabricantes | YAMAHA CORPORATION | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de YMU757B (archivo pdf) en la parte inferior de esta página. Total 43 Páginas | ||
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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
1 page  
YMU757B
Pin configuration
/TESTI
/RST
TESTO
CLK_I
SDIN
15 14 13 12 11
16 10
17 9
18 8
19 7
20 6
12345
SPVSS
AVDD
EQ3
EQ2
EQ1
20 Pin QFN Top View
-5-
5 Page 
YMU757B
TI3 - TI0 : Interval setting
These bits are used to set the interval period before the note and rest are processed next. The interval "48" represents
the time for the whole note.
TI [3:0]
0h
1h
2h
3h
4h
5h
6h
7h
8h
9h
Ah
Bh
Ch
Dh
Eh
Fh
Interval
0
2
3
4
6
8
9
12
18
24
48
0
16
24
36
48
TK2 - 0 : Note (sound length) designation
These 3 bits are used to designate the note (sound length). Depending on the values of interval setting (TI3 - 0), the
length varies as shown in the following table. The interval "48" represents the time for the whole note.
TI [3:0] = 0-Ah
TI [3:0] = B-Fh
TK[2:0] 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6
7
Sound length
1
2
3
5
7
8
11 17 15 23 29 32 35 41 47 Tie, Slur
-11-
11 Page | ||
| Páginas | Total 43 Páginas | |
| PDF Descargar | [ Datasheet YMU757B.PDF ] | |
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