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392 AMD Geode™ SC3200 Processor Data Book
Electrical Specifications
32581C
Figure 9-29. Host Pausing an UltraDMA Data In Burst Timing Diagram
t
RP
IDE_DATA[15:0]
(device)
t
RFS
t
SR
IDE_IRDY0
(DSTROBE0)
(device)
IDE_IOR0
(HDMARDY0)
(host)
IDE_IOW0
(STOP0)
(host)
IDE_DACK0
(host)
IDE_DREQ0
(device)
Notes:
1) The host can assert IDE_IOW[0:1]# (STOP[0:1]#) to request termination of the UltraDMA burst no sooner than t
RP
after IDE_IOR[0:1]# (HDMARDY[0:1]#) is de-asserted.
2) If the t
SR
timing is not satisfied, the host may receive up to two additional data WORDs from the device.