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Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors
February 2007 HDD
Document Number: 305261, Revision: 004 7
Revision History—Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors
Revision History
Date Revision Description
February 2007 004
• Section 1.4, Figure 1, Figure 2, Section 3.5: Updated the number
of supported SMII ports from six to three.
• Table 11, Table 12, Table 16: Updated pin type for
UTP_OP_ADDR[4:0], UTP_IP_ADDR[4:0], and ETH_MDC.
• Section 7.0, “DDR-SDRAM” : Updated design information.
• Removed SS-SMII references since this feature is not supported.
• Incorporated specification changes, specification clarifications and
document changes from the Intel
®
IXP4XX Product Line of
Network Processors Specification Update (306428-006)
•Updated Intel
®
product branding.
August 2005 003
The following changes were made in this release:
• Table 4: added ECC signal interface recommendation.
• Table 5: corrected EX_IOWAIT_N and EX_WAIT_N pull-up
recommendations.
• Section 3.3.2, Table 5, Section 3.3.3, Section 3.3.4, and
Section 3.3.6: changed pull-down resistor value from 10K to 4.7K.
• Table 16: corrected UTP_OP_SOC pull-down recommendation.
• Section 3.12.2: clarified description.
• Added new information: Section 3.12.3, “Supporting 5 V PCI
Interface” and Section 3.12.4, “PCI Option Interface” .
• Section 3.12.5: clarified 5V support.
• Table 24: updated power supply requirements for 667 MHz core
speed processor.
• Section 6.2 and Section 6.3: enhanced description, figure, and
tables.
• Section 7.1.7.1: enhanced clock group routing guidelines.
May 2005 002
Updated to add support for Intel
®
IXP455 Network Processor.
Section 3.2.1: enhanced signal descriptions for DDRI_CK[2:0] and
DDRI_CB[7:0].
March 2005 001 Initial release of document.