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5-158 Bus Interface

AMD-K5 Processor Technical Reference Manual 18524C/0—Nov1996

For an AHOLD inquire cycle to be recognized, AHOLD must

have been asserted continuously for two clocks at the time

EADS is asserted. AHOLD and BOFF can be asserted in con-

junction with each other without interfering with EADS recog-

nition, as long as the sampling criteria for at least one of the

signals (AHOLD or BOFF) is met.

Figure 5-9. AHOLD-Initiated Inquire Miss

CLK

A31–A3

ADS

AHOLD

APCHK

BE7–BE0

BRDY

BREQ

D/C

D63–D0

EADS

HIT

HITM

INV

M/IO

W/R

CLK

Read Inquire

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