SC2200 Datasheet, PDF (400/433 Pages) National Semiconductor (TI) – Thin Client On a Chip

Electrical Specifications (Continued)
IDE_DREQ0
(device)
IDE_DACK0
(host)
IDE_IOW0(STOP0)
(host)
t_SR
IDE_IOR0(HDMARDY0)
(host)
IDE_IRDY0
(DSTROBE0)
(device)
t_RP
t_RFS
IDE_DATA[15:0]
(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 deasserted.
2) If the t_SR timing is not satisfied, the host may receive up to two additional data WORDs from the device.
Figure 8-29. Host Pausing an UltraDMA Data In Burst Timing Diagram
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