PRIXP421ABB Intel, PRIXP421ABB Datasheet - Page 44

• Manufacturer Part Number: PRIXP421ABB
• Manufacturer: Intel

Specifications of PRIXP421ABB

• Core Operating Frequency: 266MHz
• 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: Compliant

Functional Signal Descriptions
Table 16.
Table 17.
June 2007
44
Oscillator Interface
GPIO Interface
OSC_IN
OSC_OUT
†
GPIO[12:0]
GPIO[13]
GPIO[14]
GPIO[15]
†
††
Name
Name
For a legend of the Type codes, see
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
Power
or Sys
Reset
Reset
VO
Z
Z
Z
0
VI
CLKOUT
Reset
Reset
Post
Post
/VO
VO
VI
Z
Z
Z
Type
Type
I/O
I/O
I/O
I/O
O
I
†
†
33.33 MHz, sinusoidal input signal. Can be driven by an oscillator.
33.33 MHz, sinusoidal output signal. Left disconnected when being driven by an oscillator.
General purpose Input/Output pins. May be configured as an input or an output. As an input, each signal may be
configured a processor interrupt. Default after reset is to be configured as inputs.
Should be pulled high
General purpose input/output pins. May be configured as an input or an output. Default after reset is to be configured
as inputs.
Should be pulled high
Can be configured similar to GPIO Pin 13 or as a clock output. Configuration as an output clock can be set at various
speeds of up to 33.33 MHz with various duty cycles. Configured as an input, upon reset.
Should be pulled high
Can be configured similar to GPIO Pin 13 or as a clock output. Configuration as an output clock can be set at various
speeds of up to 33.33 MHz with various duty cycles. Configured as an output, upon reset. Can be used to clock the
expansion interface, after reset.
Should be pulled high
Table 5 on page
Table 5 on page
30.
30.
††
††
††
††
using a 10-KΩ resistor when not being utilized in the system.
using a 10-KΩ resistor when not being utilized in the system.
though a 10-KΩ resistor when not being utilized in the system.
though a 10-KΩ resistor when not being utilized in the system.
Intel
®
IXP45X and Intel
Description
Description
®
IXP46X Product Line of Network Processors Datasheet
Document Number:
252479-007US