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XIO2000A Datasheet(PDF) 27 Page - Texas Instruments

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Part # XIO2000A
Description  PCI Express to PCI Bus Translation Bridge
PDF  155 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

XIO2000A Datasheet(HTML) 27 Page - Texas Instruments

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Introduction
17
April 2007
SCPS155B
Table 2−9. PCI System Terminals (Continued)
SIGNAL
GZZ/ZZZ
BALL #
ZHH
BALL #
I/O
TYPE
CELL
TYPE
CLAMP
RAIL
EXTERNAL
PARTS
DESCRIPTION
PAR
E02
D02
I/O
PCI
Bus
VCCP
−
PCI bus parity
PERR
F03
D03
I/O
PCI
Bus
VCCP
Pullup
resistor per
PCI spec
PCI parity error
PME
M15
L12
I
LV
CMOS
VDD_33_
COMBIO
Pullup
resistor per
PCI spec
PCI power management event. This terminal may be
used to detect PME events from a PCI device on the
secondary bus.
Note: The PME input buffer has hysteresis.
REQ5
REQ4
REQ3
REQ2
REQ1
REQ0
B13
B12
B11
C10
C09
B08
A12
A11
A10
C09
A08
B07
I
PCI
Bus
VCCP
If unused, a
weak pullup
resistor per
PCI spec
PCI request inputs. These signals are used for
arbitration on the secondary PCI bus when an
external arbiter is not used. REQ0 is used as the
GNT for the bridge when an external arbiter is used.
PRST
U03
P01
O
PCI
Bus
VCCP
−
PCI reset. This terminal is an output to the secondary
PCI bus.
SERR
E01
D01
I/O
PCI
Bus
VCCP
Pullup
resistor per
PCI spec
PCI system error
STOP
F02
E03
I/O
PCI
Bus
VCCP
Pullup
resistor per
PCI spec
PCI stop
TRDY
G03
E01
I/O
PCI
Bus
VCCP
Pullup
resistor per
PCI spec
PCI target ready
Table 2−10. Reserved Terminals
SIGNAL
GZZ/ZZZ
BALL #
ZHH
BALL #
I/O
TYPE
DESCRIPTION
RSVD
N15, N16, P16, R08,
T08, T10, T11, T12,
T14, T15, T17, U09,
U11, U12, U13, U14,
U15, U16
L07, L10, L14, M06,
M12, M13, N06, N08,
N09, N10, N11, P06,
P08, P09, P10, P11,
P12, P14
O
Reserved, do not connect to external signals.
RSVD
R16
N14
I
Must be connected to VDD_33.
RSVD
D16, D17, P17, R09,
T09, U10
D13, D14, M14, P07,
M07, N07
I
Must be connected to VSS.



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