AMD AMD5K86 - A.2 Bus Interface

AMDl1
AMD5iJ6 Processor Technical Reference Manual
18524B/O-Mar1996
TABLE A-I. AMD5
K
86 and Pentium Processor Signal Comparison (continued)
Pentium
Signal (735\90,
AMD5
K
86
Function
815\100)
PBREQ
x Private Bus Request
PCD x x Page Cache Disable
PCHK x x
Parity Check
PEN x
x
Parity Enable
PHIT
x Private Hit
PHI'rM
x Private Hit to Modified Line
PICCLK x PIC clock, 5 V-Tolerant
PRDY x x
Probe Ready
PWT
x x Page Write through
RIS
x x Run or Stop
RESET x x Reset
SCYC
x x
Misaligned Transfer
SID
x x
System Management Interrupt
SMIACT x x
System Management Interrupt Active
STPCLK x x
Stop Clock
TCK
x x
Test Access Port (TAP) Clock
TDI
x x
Test Access Port (TAP) Data In
TDO
x x Test Access Port (TAP) Data Out
TMS
x x
Test Access Port (TAP) Test Mode Select
TRST
x x
Test Access Port (TAP) Reset
WIR
x x
Write or Read Cycle
WBIWT
x x
Write back or Writethrough
A-4