YMU757B Ver la hoja de datos (PDF) - Yamaha Corporation

Número de pieza

componentes Descripción

Fabricante

YMU757B

MA-1C

Yamaha Corporation 

YMU757B

Pin description

No.

Pin

I/O

Function

1

SYNC

I Serial I/F synchronous signal input

2

SCLK

Ish Serial I/F bit clock input

3

AVSS

- Analog ground

Analog reference voltage terminal Connect 0.1µF capacitor between

4

VREF

A

this terminal and the analog ground terminal.

5

HPOUT

AO Analog output terminal for ear phone

6

EQ1

AO Equalizer terminal 1

7

EQ2

AI Equalizer terminal 2

8

EQ3

AO Equalizer terminal 3

Analog power supply (+3.0V)

9

AVDD

- Connect 0.1µF and 4.7µF capacitors between this terminal and the

analog ground terminal

10

SPVSS

- Analog ground exclusively used for speaker

11

SPOUT1

AO Speaker output terminal 1

12

SPOUT2

AO Speaker output terminal 2

13

DVSS

- Digital ground

Digital power supply (+3.0V)

14

DVDD

- Connect 0.1µF and 4.7µF capacitors between this terminal and

the digital ground terminal.

15

/IRQ

O Interrupt signal output

16

/TESTI

I

LSI test input terminal (Always connect with DVDD.)

17

/RST

I Hardware reset terminal

18

TESTO

O LSI TEST output terminal (disconnected)

19

CLK_I

Ish Clock input terminal

20

SDIN

I Serial I/F data input

Note : Ish = Schmitt input terminal AI = Analog input terminal A0 = Analog output terminal

-6-

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