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Intel
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
September 2006 DM
Order Number: 252480-006US 33
Overview of Product Line—Intel
®
IXP42X product line and IXC1100 control plane processors
Figure 3. Intel
®
IXP422 Network Processor Block Diagram
B1566-04
UART
921Kbaud
Timers
Interrupt
Controller
USB
Device
V1.1
GPIO
Controller
UART
921Kbaud
PMU
(AHB)
Test Logic
Unit
66.66 MHz Advanced Peripheral Bus
Queue Status Bus
Ethernet
NPE A
Ethernet MAC
JTAG
32-Bit
16-Bit
16 GPIO
32-Bit
MII-0
MII-1
North/South
AHB Bridge
North AHB
Arbiter
133.32 MHz x 32 bits South Advance High-Performance Bus
South AHB
Arbiter
Queue
Manager
8 KB SRAM
SDRAM
Controller
8 - 256 MB
Intel XScale
fi
Core
PCI
Controller
Expansion
Bus
Controller
AHB/APB
Bridge
Intel XScale
fi
Processor
266 MHz
32 KB Data Cache
32 KB Instruction Cache
2 KB Mini-Data Cache
133.32 MHz x 32 bits North Advance High-Performance Bus
Ethernet
NPE B
Ethernet MAC
SHA-1/MD5,
DES, 3DES, AES