Host Pausing An Ultra Dma Data In Burst - Fujitsu MPG3XXXAH Product Manual

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.
DMARQ
(device)
DMACK-
(host)
STOP
(host)
HDMARDY-
(host)
DSTROBE
(device)
DD(15:0)
(device)
Notes:
1) The host may assert STOP to request termination of the Ultra DMA burst no sooner than
t after HDMARDY- is negated.
RP
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
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t
RP
t
RFS
C141-E112-01EN