4host pausing an ultra dma data in burst – FUJITSU MPG3XXXAH User Manual
Page 163
C141-E112-01EN
5 - 96
5.6.3.4 Host pausing an Ultra DMA data in burst
5.6.3.2 contains the values for the timings for each of the Ultra DMA Modes.
Notes:
1)
The host may assert STOP to request termination of the Ultra DMA burst no sooner than
t
RP
after HDMARDY- is negated.
2)
After negating HDMARDY-, the host may receive zero, one, two or three more data
words from the device.
Figure 5.12 Host pausing an Ultra DMA data in burst
t
RP
t
RFS
DMARQ
(device)
DMACK-
(host)
STOP
(host)
HDMARDY-
(host)
DSTROBE
(device)
DD(15:0)
(device)
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