Fujitsu MPG3XXXAH-E Manual Do Utilizador
C141-E116-01EN
5 - 107
5.6.3.9 Device pausing an Ultra DMA data out burst
5.6.3.2 contains the values for the timings for each of the Ultra DMA Modes.
Notes:
1)
The device may negate DMARQ to request termination of the Ultra DMA burst no sooner
than t
than t
RP
after DDMARDY- is negated.
2)
After negating DDMARDY-, the device may receive zero, one two or three more data
words from the host.
words from the host.
Figure 5.17 Device pausing an Ultra DMA data out burst
DMARQ
(device)
(device)
DMACK-
(host)
(host)
STOP
(host)
(host)
DDMARDY-
(device)
(device)
HSTROBE
(host)
(host)
DD(15:0)
(host)
(host)
t
RP
t
RFS