AMD-K6-2E/400AFR AMD [Advanced Micro Devices], AMD-K6-2E/400AFR Datasheet - Page 150

• Manufacturer Part Number: AMD-K6-2E/400AFR
• Manufacturer: AMD [Advanced Micro Devices]

AMD-K6™-2E Processor Data Sheet
5.56
Table 22. Bus Cycle Definition
Table 23. Special Cycles
132
Bus Cycle Initiated
Code Read, Instruction Cache Line Fill
Code Read, Noncacheable
Code Read, Noncacheable
Encoding for Special Cycle
Interrupt Acknowledge
I/O Read
I/O Write
Memory Read, Data Cache Line Fill
Memory Read, Noncacheable
Memory Read, Noncacheable
Memory Write, Data Cache Writeback
Memory Write, Noncacheable
Notes:
x means “don’t care”.
Special Cycle
Stop Grant
Flush Acknowledge
(FLUSH# sampled asserted)
Writeback (WBINVD
instruction)
Halt
Flush (INVD, WBINVD
instruction)
Shutdown
Notes:
x means “don’t care”.
Bus Cycle Definitions
1
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
Preliminary Information
1
1
1
1
1
1
Signal Descriptions
M/IO#
1
0
1
1
1
1
0
0
1
1
1
1
1
0
0
1
1
1
1
1
0
1
1
1
Generated by CPU
D/C#
0
1
1
0
1
1
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
0
1
W/R#
0
0
0
1
0
0
1
0
0
0
1
1
1
1
1
1
1
0
CACHE#
0
0
0
0
0
0
1
1
1
1
1
1
0
1
0
x
0
x
0
0
0
0
0
0
22529B/0—January 2000
by System Logic
1
1
1
1
1
1
Generated
KEN#
0
1
x
0
1
x
x
x
x
x
x
x
1
1
1
1
1
1
Chapter 5
x
x
x
x
x
x