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Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors—System Architecture
Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors
HDD February 2007
16 Document Number: 305261; Revision: 004
Figure 2. Intel
®
IXP465 Example System Block Diagram
Power Supply
DDR
SDRAM
16Mx4x16
512 Mbyte
(Four Chips)
D[31:0]
BA[1:0]
RAS, CAS, WE, CS,CLK
Expansion Bus
OSC
Transparent PCI Bridge
Clock Buffer
PLL
JTAG
Header
PCI
Clock
PCI Slots
Ethernet
Clocks
Board
Configuration
Reset Logic
SDRAM Memory Bus
cPCI J2
cPCI Bus
PCI Bus
cPCI J1
CS_N0
xDSL
D[31:0]
A[24:0]
CB[7:0]
A[13:0]
SSP CODEC or
A/D
Intel
®
IXP46X Product
Line of Network
Processors
RS 232
Serial Port 0
3-MII/
3-SMII/
10/100
PHYs
Up to 3Ports
DB9
RJ45
Port 0
USB Device
Connector
USB Host
Connector
USB v1.1
RJ45
Port 2
USB v2.0 3.3 V
2.5 V
1.3 V
UTOPIA Level 2
xDSL
xDSL
xDSL
DDR
SDRAM
16Mx4x16
512 Mbyte
(Four Chips)
DDR
SDRAM
16Mx4x16
512 Mbyte
(Four Chips)
DDR
SDRAM
Max 1 Gbyte
SLIC/CODEC or
T1/E1/J1 FramerHSS 0
LCD/LED
Diagnostics
Display
Buff
Flash
32 Mbyte
B4835-002
HSS 1
RS 232
Serial Port 1
DB9
I2C
I2C