Fujitsu MHV2060AT User Manual

Page of 280
Interface 
 
5-136 
C141-E218 
f)  When the command execution is completed, the device clears both BSY and 
DRQ bits and asserts the INTRQ signal.  Then, the host reads the Status 
register. 
g)  The host resets the DMA channel. 
Figure 5.7 shows the correct DMA data transfer protocol. 
 
g
d
f
 
f
d
e
 
Figure 5.7  Normal DMA data transfer