AMD Geode SC1201 - Manual (Page 409)

AMD Geode™ SC1200/SC1201 Processor Data Book 409
Electrical Specifications 32579B
Figure 9-30. 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.