81348 Datasheet, PDF (39/89 Pages) Intel Corporation – Two Integrated Intel XScale processors

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Table 14. Functional Pin Mode Behavior (Sheet 4 of 4)
Pin
BoundaryScan ^HighZ
Reset _(EndPoint)
Reset(Central ^Resource)
Normal
32-BitSDRAM
PCIX_32BIT#
PCIX_PULLUP#
Whenonly ^{PCI-X Interface Active} Whenonly _PCIExpress* ^{Interface Active}
SDA0
Z
Z
Z
VB
–
–
–
–
–
SCL1
Z
Z
Z
VB
–
–
–
–
–
SDA1
Z
Z
Z
VB
–
–
–
–
–
SCL2
Z
Z
Z
VB
–
–
–
–
–
SDA2
Z
Z
Z
VB
–
–
–
–
–
SMBCLK
Z
Z
Z
VB
–
–
–
–
–
SMBDAT
Z
Z
Z
VB
–
–
–
–
–
U0_RXD
–
VI
VI
VI
–
–
–
–
–
U0_TXD
Z
1
1
VO
–
–
–
–
–
U0_CTS#
–
VI
VI
VI
–
–
–
–
–
U0_RTS#
Z
1
1
VO
–
–
–
–
–
U1_RXD
–
VI
VI
VI
–
–
–
–
–
U1_TXD
Z
1
1
VO
–
–
–
–
–
U1_CTS#
–
VI
VI
VI
–
–
–
–
–
U1_RTS#
Z
1
1
VO
–
–
–
–
–
TCK
–
VI
VI
VI
–
–
–
–
–
TDI
–
H
H
H
–
–
–
–
–
TDO
–
Z
Z
VO
–
–
–
–
–
TRST#
–
H
H
H
–
–
–
–
–
TMS
–
H
H
H
–
–
–
–
–
P_RST#
–
VI
VI
VI
–
–
–
–
–
WARM_RST#
–
VI
VI
VI
–
–
–
–
–
NC
-/Z Z/H Z/H Z/H –
–
–
–
–
THERMDA
–
AI
AI
AI
–
–
–
–
–
THERMDC
–
AO AO AO
–
–
–
–
–
Notes:
1
0X
=
==
driven
ddrriivveenn
to
ttoo
VVun^CSSC_known
state
ID = The input is disabled.
PHD==pupullelld-uuppdtiosaVb^Cle^Cd
L = pulled
ODT = On
DdoiewTnetromVin^Sa^Stion
GND = Tie to Ground.
EIAA==IEnxteterrnnaallAArrbbitieterrmmooddee
ZVVBO===ouaatcpVtsuatlli,idkpeOualul-tVupapul/tiddleoBvwiednliridesicsdtairobivnleeadnl _.pin
VAAIOI ===AnAenneaadlologtgoIOdnrpuiuvtpetulaetvlVeeavlleidl Input level.
*“-”==afutenrafpfeocwteerdfbayil _{tsheiqsumenocdee} completes
a. MA[14] is only needed for 4GB memory support. When 4GB memory is not used this pin is NC.
December 2007
Order Number: 315038-003US
Intel^® 81348 I/ODParotacsehsesoert
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