YMF715E Просмотр технического описания (PDF) - Yamaha Corporation

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YMF715E

5.0/3.3V; OPL3-SA3 OPL3 single-chip audio system 3

Yamaha Corporation 

YMF715E

Multi-purpose pins : 13 pins

name

pins I/O type

SEL2-0

3 I+ CMOS

MP9-0

10 I+/O TTL

size

-

2mA

function

Refer to “Multi-purpose pins” section

Refer to “multi-purpose pins” section

Others : 27 pins

name

GP3-0

GP7-4

RXD

TXD

/VOLUP

/VOLDW

X33I

X33O

X24I

X24O

AVDD

DVDD

AVSS

DVSS

pins I/O type size function

4 IA

-

- Game Port

4 I+ Schmitt

-

Game Port

1 I+ Schmitt

-

MIDI Data Receive

1 O TTL 4mA MIDI Data Transfer

1 I+ Schmitt

-

Hardware Volume (Up)

1 I+ Schmitt

-

Hardware Volume (Down)

1

I CMOS

- 33.8688 MHz

1 O CMOS 2mA 33.8688 MHz

1

I CMOS

- 24.576 MHz

1 O CMOS 2mA 24.576 MHz

2

-

-

- Analog Power Supply (put on +5.0V)

3

-

-

- Digital Power Supply (put on +5.0 V or +3.3V)

2

-

-

- Analog GND

4

-

-

- Digital GND

Total : 100 pins

Note :

I+:

Input Pin with Pull up Resistor

Schmitt: TTL-Schmitt input pin

T: TTL-tri-state output pin

May 21, 1998

-4-

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