9 device pausing an ultra dma data out burst – FUJITSU MPG3XXXAH-E User Manual
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C141-E116-01EN
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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
RP
after DDMARDY- is negated.
2)
After negating DDMARDY-, the device may receive zero, one two or three more data
words from the host.
Figure 5.17 Device pausing an Ultra DMA data out burst
DMARQ
(device)
DMACK-
(host)
STOP
(host)
DDMARDY-
(device)
HSTROBE
(host)
DD(15:0)
(host)
t
RP
t
RFS
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