YMF715E Просмотр технического описания (PDF) - Yamaha Corporation

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производитель

YMF715E

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

Yamaha Corporation 

YMF715E

IRQ-A: high-active, edge-sense

Index

Best

IRQ

10

Acceptable1

7,9,10,11

IRQ-B: high-active, edge-sense

Index

Best

IRQ

5

Acceptable1

5,7

DMA-A: 8bit, count by byte, type-A, B, F

Index

Best

Acceptable1

DMA

0

0,1,3

DMA-B: 8bit, count by byte, type-A, B, F

Index

Best

Acceptable1

DMA

1

0,1,3

Acceptable2

5,7,9,10,11

Acceptable2

5,7,9,10,11

Acceptable2

0,1,3

Acceptable2

0,1,3

Acceptable3

<-

Acceptable3

<-

Acceptable3

<-

Acceptable3

<-

(2) LDN=1:Joystick

I/O (Game Port): 16bit address decode

Index

Best

Acceptable1

I/O

Length

Alignment

201h

1

-

202h

1

-

Acceptable2

203h

1

-

Acceptable3

204-20Fh

1

1

(3) LDN=2:MODEM

I/O (/MCS): 16bit address decode

Index

Best

I/O

Length

Alignment

2F8h

8

-

IRQ: high-active, edge-sense

Index

Best

IRQ

3

Acceptable1

100-FF8h

8

8

Acceptable1

<-

Acceptable2

<-

<-

-

Acceptable2

<-

Acceptable3

<-

<-

-

Acceptable3

<-

May 21, 1998

-18-

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