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Figure 9-33 – AMD Geode SC1201 User Manual

Page 412

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412

AMD Geode™ SC1200/SC1201 Processor Data Book

Electrical Specifications

32579B

Figure 9-33. Initiating an UltraDMA Data Out Burst Timing Diagram

IDE_DATA[15:0]

(device)

IDE_CS[0:1]#

IDE_ADDR[2:0]

t

UI

t

ACK

t

ENV

t

LI

t

UI

t

ZIORDY

t

ACK

t

DVS

t

DVH

t

ACK

IDE_DACK0#
(host)

IDE_DREQ0
(device)

IDE_IOW0#
(STOP0#)
(host)

IDE_IORDY0
(DDMARDY0)
(device)

IDE_IOR0#
(HSTROBE0#)
(host)

Note:

The definitions for the IDE_IOW[0:1]]# (STOP[0:1]#), IDE_IORDY[0:1]# (DDMARDY[0:1]) and IDE_IOR[0:1]#
(HSTROBE[0:1]#) signal lines are not in effect until IDE_DREQ[0:1] and IDE_DACK[0:1]# are asserted.

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