Signals Reference

Table A-14. Input/Output Signals (Single Driver)

Name

Active Level

Clock

Signal Group

Qualified

 

 

 

 

 

A[49:3]#

Low

BCLKp

Request

ADS#, ADS#+1

 

 

 

 

 

ADS#

Low

BCLKp

Request

Always

 

 

 

 

 

AP[1:0]#

Low

BCLKp

Request

ADS#, ADS#+1

 

 

 

 

 

ASZ[1:0]#

Low

BCLKp

System Bus

ADS#

 

 

 

 

 

ATTR[3:0]#

Low

BCLKp

System Bus

ADS#+1

 

 

 

 

 

BE[7:0]#

Low

BCLKp

System Bus

ADS#+1

 

 

 

 

 

BR0#

Low

BCLKp

System Bus

Always

 

 

 

 

 

BPM[5:0]#

Low

BCLKp

Diagnostic

Always

 

 

 

 

 

CCL#

Low

BCLKp

System Bus

ADS#+1

 

 

 

 

 

D[127:0]#

Low

BCLKp

Data

DRDY#

 

 

 

 

 

DBSY#

Low

BCLKp

Data

Always

 

 

 

 

 

D/C#

Low

BCLKp

System Bus

ADS#

 

 

 

 

 

DEN#

Low

BCLKp

System Bus

ADS#+1

 

 

 

 

 

DEP[15:0]#

Low

BCLKp

System Bus

DRDY#

 

 

 

 

 

DID[9:0]#

Low

BCLKp

System Bus

ADS#+1

 

 

 

 

 

DRDY#

Low

BCLKp

Data

Always

 

 

 

 

 

DPS#

Low

BCLKp

System Bus

ADS#+1

 

 

 

 

 

DSZ[1:0]#

Low

BCLKp

System Bus

ADS#+1

 

 

 

 

 

EXF[4:0]#

Low

BCLKp

System Bus

ADS#+1

 

 

 

 

 

FCL#

Low

BCLKp

System Bus

ADS#+1

 

 

 

 

 

LEN[2:0]#

Low

BCLKp

System Bus

ADS#+1

 

 

 

 

 

LOCK#

Low

BCLKp

Arbitration

Always

 

 

 

 

 

OWN#

Low

BCLKp

System Bus

ADS#+1

 

 

 

 

 

REQ[5:0]#

Low

BCLKp

Request

ADS#, ADS#+1

 

 

 

 

 

RP#

Low

BCLKp

Request

ADS#, ADS#+1

 

 

 

 

 

SBSY#

Low

BCLKp

Data

Always

 

 

 

 

 

SPLCK#

Low

BCLKp

System Bus

ADS#+1

 

 

 

 

 

STBn[7:0]#

Low

Data

Always

 

 

 

 

 

STBp[7:0]#

Low

Data

Always

 

 

 

 

 

WSNP#

Low

BCLKp

System Bus

ADS#

 

 

 

 

 

Table A-15. Input/Output Signals (Multiple Driver)

Name

Active Level

Clock

Signal Group

Qualified

 

 

 

 

 

BNR#

Low

BCLKp

System Bus

Always

 

 

 

 

 

BERR#

Low

BCLKp

Error

Always

 

 

 

 

 

BINIT#

Low

BCLKp

Error

Always

 

 

 

 

 

HIT#

Low

BCLKp

Snoop

Snoop Phase

 

 

 

 

 

HITM#

Low

BCLKp

Snoop

Snoop Phase

 

 

 

 

 

TND#

Low

BCLKp

Snoop

Always

 

 

 

 

 

Datasheet

107

Page 107
Image 107
Intel Itanium 2 Processor Table A-14. Input/Output Signals Single Driver, Table A-15. Input/Output Signals Multiple Driver