PRIXP425BB Intel, PRIXP425BB Datasheet - Page 30
PRIXP425BB
Manufacturer Part Number
PRIXP425BB
Description
IC NETWRK PROCESSR 266MHZ 492BGA
Manufacturer
Intel
Specifications of PRIXP425BB
Processor Type
Network
Features
XScale Core
Speed
266MHz
Voltage
1.3V
Mounting Type
Surface Mount
Package / Case
492-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
869046
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Intel
Functional Signal Descriptions
3.0
Table 4.
30
Warning:
®
IXP42X Product Line and IXC1100 Control Plane Processor
Functional Signal Descriptions
Listed in the signal definition tables — starting at
pull-up an pull-down resistor recommendations that are required when the particular enabled
interface is not being used in the application. These external resistor requirements are only needed
if the particular model of Intel
the particular interface enabled and the interface is not required in the application.
All IXP42X product line and IXC1100 control plane processors I/O pins are not 5-V tolerant.
Disabled features, within the IXP42X product line and IXC1100 control plane processors, do not
require external resistors as the processor will have internal pull-up or pull-down resistors enabled
as part of the disabled interface.
Table 4
document.
To determine which interfaces are not enabled within the IXP42X product line and IXC1100
control plane processors, see
Signal Type Definitions
Symbol
PWR
GND
N/C
OD
VO
I/O
PD
PE
Tri
ID
VI
O
H
1
0
X
L
Z
I
-
presents the legend for interpreting the
Input pin only
Output pin only
Pin can be either an input or output
Open Drain pin
Power pin
Ground pin
Driven to Vcc
Driven to Vss
Driven to unknown state
Input is disabled
Pulled up to Vcc
Pulled to Vss
Pull-up Disabled
Output Disabled
Need to drive a valid input level, allowed states - 1, 0, H,
Z
Output Only/Tristatable
No Connect
Pin must be connected as described
A valid output level is driven, allowed states -- 1, 0, H, Z
Pull-up Enabled, equivalent to H
Table 1 on page
®
IXP42X product line and IXC1100 control plane processors has
Description
12.
Type
Table 5, “SDRAM Interface” on page 31
field in the other tables in this section of the
Datasheet
— are
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