C141-E069-02EN
5 - 73
Status read
Expanded
g
f
e
c, d
a
Command
BSY
INTRQ
DRDY
~
Parameter write
DRQ
Data transfer
• •
[Multiword DMA transfer]
• • • •
DMACK-
DMARQ
IOR- orIOW-
• • • •• • • •
0
1
Word
n-1
n
Figure 5.6
Normal DMA data transfer