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Intel
®
IXP43X Product Line of Network Processors
April 2007 HDG
Document Number: 316844; Revision: 001US 13
Hardware Design Guidelines—Intel
®
IXP43X Product Line of Network Processors
Note: Figure 1 shows the Intel
®
IXP435 Network Processor. For details on feature and SKU
support listed by processor, see the Intel
®
IXP43X Product Line of Network Processors
Datasheet.
Figure 1. Intel
®
IXP435 Network Processor Block Diagram
High Speed
UART
921 Kbaud
IBPMU
Interrupt
Controller
GPIO
Timers
SSP
16 GPIO
NPE A
NPE C
AES/ 3DES/
DES/
SHA/ MD-5
HSS
UTOPIA 2/ MII
MII
32 KB I - CACHE
32KB D - CACHE
2KB MINI D- CACHE
266/400/533/667 MHz
DDRII/ I MEMORY
CONTROLLER
UNIT
266/ 400
16/ 32 BITS
+ ECC
DDR 266 /
DDRII 400
MPI
133.32MH
z
/200MHzx
64 bits
AHB/ AHB
BRIDGE
PCI
CONTROLLER
32 bit 33 MHz
EXPANSION
BUS Controller
8/16 bit 80MHz
USB Port
HOST
CONTROLLER
VERSION 2.0
QUEUE
MANAGER
AHB
Slave /
APB
Master
BRIDGE
South AHB
Arbiter
North AHB
Arbiter
Master on South AHB
Master on North AHB
North AHB 133. 32 MHz x 32 bits
APB 66. 66MHz x 32 bi ts
UTMI
Queue Status Bus
2.0 PHY
Bus Arbiters
Slave Only
AHB Slave
/
APB Master
USB Port
HOST
CONTROLLER
VERSION 2.0
UTMI
2.0 PHY
South AHB 133. 32 MHz x 32 bits
XScale Processor