Datasheet

23
Dual-Core Intel® Xeon® Processor 5200 Series Electrical Specifications
Notes:
1. Refer to Chapter 5 for signal descriptions.
2. These signals may be driven simultaneously by multiple agents (Wired-OR).
Table 2-7 outlines the signals which include on-die termination (R
TT
). Table 2-8 outlines
non AGTL+ signals including open drain signals. Table 2-9 provides signal reference
voltages.
Notes:
1. These signals have RTT in the package with a 80 Ω pullup to V
TT
.
2. These signals have RTT in the package with a 50 Ω pullup to V
TT
.
CMOS Asynchronous Input Asynchronous A20M#, FORCEPR#, IGNNE#, INIT#,
LINT0/INTR, LINT1/NMI, PWRGOOD, SMI#,
STPCLK#
CMOS Asynchronous Output Asynchronous BSEL[2:0], VID[6:1]
FSB Clock Clock BCLK[1:0]
TAP Input Synchronous to TCK TCK, TDI, TMS, TRST#
TAP Output Synchronous to TCK TDO
Power/Other Power/Other GTLREF_ADD, GTLREF_DATA, LL_ID[1:0],
MS_ID[1:0], PECI, RESERVED, SKTOCC#,
TESTHI[12:8], V
CC
, VCC_DIE_SENSE,
VCC_DIE_SENSE2, VCCPLL, VID_SELECT,
VSS_DIE_SENSE, VSS_DIE_SENSE2, V
SS
, V
TT
,
VTT_OUT, VTT_SEL
Table 2-6. FSB Signal Groups (Sheet 2 of 2)
Signal Group Type Signals
1
Table 2-7. AGTL+ Signal Description Table
AGTL+ signals with R
TT
AGTL+ signals with no R
TT
A[37:3]#, ADS#, ADSTB[1:0]#, AP[1:0]#, BINIT#,
BNR#, BPRI#, D[63:0]#, DBI[3:0]#, DBSY#,
DEFER#, DP[3:0]#, DRDY#, DSTBN[3:0]#,
DSTBP[3:0]#, HIT#, HITM#, LOCK#, MCERR#,
REQ[4:0]#, RS[2:0]#, RSP#, TRDY#
BPM[5:0]#, RESET#, BR[1:0]#
Table 2-8. Non AGTL+ Signal Description Table
Signals with R
TT
Signals with no R
TT
FORCEPR#
1
, PROCHOT#
2
A20M#, BCLK[1:0], BSEL[2:0], FERR#/PBE#,
GTLREF_ADD, GTLREF_DATA, IERR#, IGNNE#, INIT#,
LINT0/INTR, LINT1/NMI, LL_ID[1:0], MS_ID[1:0], PECI,
PWRGOOD, SKTOCC#, SMI#, STPCLK#, TCK, TDI, TDO,
TESTHI[12:8], THERMTRIP#, TMS, TRDY#, TRST#,
VCC_DIE_SENSE, VCC_DIE_SENSE2, VID[6:1],
VID_SELECT, VSS_DIE_SENSE, VSS_DIE_SENSE2,
VTT_SEL
Table 2-9. Signal Reference Voltages
GTLREF CMOS
A[37:3]#, ADS#, ADSTB[1:0]#, AP[1:0]#, BINIT#,
BNR#, BPM[5:0]#, BPRI#, BR[1:0]#, D[63:0]#,
DBI[3:0]#, DBSY#, DEFER#, DP[3:0]#, DRDY#,
DSTBN[3:0]#, DSTBP[3:0]#, FORCEPR#, HIT#,
HITM#, LOCK#, MCERR#, RESET#, REQ[4:0]#,
RS[2:0]#, RSP#, TRDY#
A20M#, LINT0/INTR, LINT1/NMI, IGNNE#, INIT#,
PWRGOOD, SMI#, STPCLK#, TCK, TDI, TMS, TRST#