Intel® IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
1.2.2
Processor Features
Table 3.
Processor Features
Requires Intel® IXP425
Intel®
IXC1100
ControlPlane
Processor
Intel® IXP423 Intel® IXP422 Intel® IXP421 Intel® IXP420
Enabling
Software
(Note 1)
Network
Processor
B0 Step
Feature
Network
Network
Network
Network
Processor
Processor
Processor
Processor
Processor
Speed
266/400/533
266
266
266
266/400/533
266/400/533
(MHz)
UTOPIA 2
GPIO
Yes
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
UART 0/1
HSS 0
HSS 1
MII 0
Yes
Yes
Yes
Yes
X
X
X
X
X
X
X
X
X
X
X
X
MII 1
USB
X
X
PCI
Expansion
Bus
16-bit, 66 MHz 16-bit, 66 MHz 16-bit, 66 MHz 16-bit, 66 MHz 16-bit, 66 MHz 16-bit, 66 MHz
32-bit, 133
MHz
32-bit, 133
MHz
32-bit, 133
MHz
32-bit, 133
MHz
32-bit, 133
MHz
32-bit, 133
MHz
SDRAM
AES / DES /
DES3
Yes
Yes
Yes
X
8
X
Multi-
Channel
HDLC
8
8
SHA-1 /
MD-5
X
X
X
X
X
Commercial
Temperature
X
X
X
X
X
Extended
Temperature
X (Note 2)
Notes:
1.
The features marked “Yes” require enabling software. Please refer to the Intel® IXP400 Software Programmer’s Guide to
determine if the feature is enabled.
2.
Only the 266 MHz version of the Intel® IXP420 Network Processor supports extended temperature.
March 2005
14
Datasheet
Document Number: 252479, Revision: 005
INTEL [ INTEL ]
