GXM datasheet(177/244 Pages) NSC

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GXM 数据表(PDF) 177 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.

部件名	GXM

功能描述	Geode??GXm Processor Integrated x86 Solution with MMX Support

PDF	244 Pages

Scroll/Zoom	100%

制造商	NSC [National Semiconductor (TI)]

网页	http://www.national.com

标志

177 / 244 page

Revision 3.1

177

www.national.com

Power Management (Continued)

6.5.3

Responding to a PCI Access During Suspend

Mode

The GXm processor can temporarily exit Suspend mode

to handle PCI accesses. If an unmasked REQx# is

asserted, the GXm processor will deassert SUSPA# and

exit the Suspend mode to respond to the PCI access. A

PCI access is completed when FRAME# is inactive and

TRDY# or STOP# are active. If SUSP# is asserted when

the PCI access is completed, the GXm processor will

assert SUSPA# and return to a SUSP#-initiated Suspend

mode. If it was a HALT-initiated Suspend mode and no

active interrupts have been recognized, the CPU will

assert SUSPA# andreturntoaHALT-initiatedSuspend

mode.

Figure 6-3. PCI Access During Suspend Mode

SYSCLK

REQx#

TRDY#

SUSP#

SUSPA#

FRAME#

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