FUJITSU MPB3052AT User Manual

Page 127

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C141-E045-02EN

5 - 62

Status read

255

2

1

0

Word

IOR- or
IOW-

DMACK-

DMARQ

DRQ

Expanded

[Single Word DMA transfer]

Command

BSY

INTRQ

DRDY

~

Parameter write

DRQ

Data transfer

• • • •

• •

• •

• • • •

• • • •

• • • •

DRQ

[Multiword DMA transfer]

• • • •

DMACK-

DMARQ

• • • •

IOR- or
IOW-

• • • •
• • • •

0

1

Word

n-1

n

• •

Figure 5.7

Normal DMA data transfer

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