Host Pausing An Ultra Dma Data In Burst; Figure 5.13 Host Pausing An Ultra Dma Data In Burst - Fujitsu MHT2080AH - 80GB 5400 RPM PATA Hard Drive 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
2) After negating HDMARDY-, the host may receive zero, one, two or three
more data words from the device.

Figure 5.13 Host pausing an Ultra DMA data in burst

C141-E195-02EN
t
RP
t
RFS
after HDMARDY- is negated.
RP
5.6 Timing
5-137