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Intel
®
IXP43X Product Line of Network Processors—Hardware Design Guidelines
Intel
®
IXP43X Product Line of Network Processors
HDG April 2007
16 Document Number: 316844; Revision: 001US
§ §
Figure 2. Example: Intel
®
IXP43X Product Line of Network Processors 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
DDRII/I SDRAM
Memory Bus
cPCI J2
cPCI Bus
PCI Bus
cPCI J1
CS_N0
xDSL
D[15:0]
A[23:0]
CB[7:0]
A[13:0]
SSP CODEC or
A/D
Intel® IXP43X Product
Line of Network
Processors
RS 232
Serial Port 0
2-MII
10/100
PHYs
Up to 2 Ports
DB9
RJ45
Port 0
USB Host
Connector
USB Host
Connector
USB v2.0
RJ45
Port 1
USB v2.0
3.3 V
2.5/1.8 V
1.3 V
UTOPIA Level 2
xDSL
xDSL
xDSL
DDR
SDRAM
16Mx4x16
512 Mbyte
(Four Chips)
DDR
SDRAM
16Mx4x16
512 Mbyte
(Four Chips)
DDRII/I
SDRAM
Max 1 Gbyte
SLIC/CODEC or
T1/E1/J1 FramerHSS 0
LCD/LED
Diagnostics
Display
Buff
Flash
32 Mbyte
B4835-003
5 V
SSP