AMD SC3200 manual IDEDREQ0 device IDEDACK0# host IDEIOW0# STOP0# host, IDEIORDY0# DDMARDY0#

Models: SC3200

1 428
Download 428 pages 6.75 Kb
Page 397
Image 397

Electrical Specifications

32581C

 

 

tRP

IDE_DREQ0 (device)

IDE_DACK0# (host)

IDE_IOW0# (STOP0#) (host)

IDE_IORDY0# (DDMARDY0#)

 

tSR

 

 

 

tRFS

(device)

 

 

IDE_IOR0#

 

 

 

(HSTROBE0#)

 

 

 

(host)

 

 

 

IDE_DATA[15:0] (host)

Notes:

1)The device can de-assert IDE_DREQ[0:1] to request termination of the UltraDMA burst no sooner than tRP after IDE_IORDY[0:1]# (DDMARDY[0:1]#) is de-asserted.

2)If the tSR timing is not satisfied, the device may receive up to two additional datawords from the host.

Figure 9-34. Device Pausing an UltraDMA Data Out Burst Timing Diagram

AMD Geode™ SC3200 Processor Data Book

397

Page 397
Image 397
AMD SC3200 manual IDEDREQ0 device IDEDACK0# host IDEIOW0# STOP0# host, IDEIORDY0# DDMARDY0#, IDEIOR0# HSTROBE0#