AMD-K6 AMD [Advanced Micro Devices], AMD-K6 Datasheet - Page 178

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AMD-K6

Manufacturer Part Number
AMD-K6
Description
AMD-K6 Processor
Manufacturer
AMD [Advanced Micro Devices]
Datasheet

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AMD-K6
Shutdown Cycle
Figure 63. Shutdown Cycle
160
BE[7:0]#
D[63:0]
A[31:3]
LOCK#
BRDY#
M/IO#
W/R#
KEN#
ADS#
D/C#
CLK
®
Processor Data Sheet
In Figure 63, a shutdown (triple fault) occurs in the first half of
the waveform, and a shutdown special cycle follows in the
second half. The processor enters shutdown when an interrupt
or exception occurs during the handling of a double fault (INT
8), which amounts to a triple fault. When the processor
encounters a triple fault, it stops its activity on the bus and
generates the shutdown special bus cycle (BE[7:0]# = FEh).
The system logic must assert NMI, INIT, RESET, or SMI# to get
the processor out of the shutdown state.
Preliminary Information
Shutdown Occurs
(Triple Fault)
Bus Cycles
FEh
A[4:3] = 00b
Shutdown Special Cycle
20695H/0—March 1998
Chapter 6

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