YMU757 Просмотр технического описания (PDF) - Yamaha Corporation

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Компоненты Описание

производитель

YMU757

MA-1

Yamaha Corporation 

YMU757

#

Pin description

No.

Pin

I/O

Function

Digital power supply (+3.0V)

1

DVDD

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

digital ground terminal.

2

SDIN

I Serial I/F data input

3

SYNC

I Serial I/F synchronous signal input

4

SCLK

Ish Serial I/F bit clock input

5

AVSS

- Analog ground

Analog reference voltage terminal Connect 0.1µF capacitor between this

6

VREF

A

terminal and the analog ground terminal.

7

HPOUT

AO Analog output terminal for ear phone

8

EQ1

AO Equalizer terminal 1

9

EQ2

AI Equalizer terminal 2

10

EQ3

AO Equalizer terminal 3

Analog power supply (+3.0V)

11

AVDD

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

ground terminal

12

SPOUT1

A0 Speaker output terminal 1

13

SPOUT2

AO Speaker output terminal 2

14

SPVSS

- Analog ground exclusively used for speaker

15

DVSS

- Digital ground

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

/IRQ

O Interrupt signal output

20

CLK_I

Ish Clock input terminal (8 types of frequency are supported.)

N ote: Ish = Schm ittinputterm inal A I= A nalog inputterm inal A 0 = A nalog outputterm inal

#

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