FWIXP420ABD Intel, FWIXP420ABD Datasheet - Page 35
FWIXP420ABD
Manufacturer Part Number
FWIXP420ABD
Description
Manufacturer
Intel
Datasheet
1.FWIXP420ABD.pdf
(128 pages)
Specifications of FWIXP420ABD
Core Operating Frequency
533MHz
Package Type
BGA
Pin Count
492
Mounting
Surface Mount
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Lead Free Status / Rohs Status
Not Compliant
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Functional Signal Descriptions
Table 8.
June 2007
35
PCI Controller (Sheet 2 of 2)
PCI_REQ_N[0]
PCI_GNT_N[3:1]
PCI_GNT_N[0]
PCI_INTA_N
PCI_CLKIN
†
††
Name
For a legend of the Type codes, see
For new designs, this signal should be pulled high with a 10-KΩ resistor when not being utilized in the system. No change is required to existing designs
that have this signal pulled low.
Power
or Sys
Reset
Reset
Z
Z
Z
Z
Z
Reset
Post
VI
Z
Z
Z
Z
Type
O/D
I/O
I/O
O
I
†
Table 5 on page
PCI arbitration request:
Should be pulled high with a 10-KΩ resistor, when the PCI bus is not being utilized in the system.
PCI arbitration grant: Generated by the internal PCI arbiter to allow an agent to claim control of the PCI bus.
PCI arbitration grant:
Should be pulled high with a 10-KΩ resistor when not being utilized in the system.
PCI interrupt: Used to request an interrupt.
Should be pulled high with a 10-KΩ resistor when not being utilized in the system.
PCI Clock: provides timing for all transactions on PCI. All PCI signals — except INTA#, INTB#, INTC#, and INTD#
— are sampled on the rising edge of CLK and timing parameters are defined with respect to this edge. The PCI
clock rate can operate at up to 66 MHz.
Should be pulled high
• When configured as an input (PCI arbiter enabled), the internal PCI arbiter will allow an agent to request the
• When configured as an output (PCI arbiter disabled), the pin will be used to request access to the PCI bus from
• When configured as an output (PCI arbiter enabled), the internal PCI arbiter to allow an agent to claim control
• When configured as an input (PCI arbiter disabled), the pin will be used to claim access of the PCI bus from an
PCI bus.
an external arbiter.
of the PCI bus.
external arbiter.
30.
††
with a 10-KΩ resistor when not being utilized in the system.
Intel
®
IXP45X and Intel
Description
®
IXP46X Product Line of Network Processors Datasheet
Document Number:
252479-007US
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