Block Diagram
21
Figure 1 C-3e Network Processor Block Diagram
Q-5 or Q-3
(optional)
External
Host CPU
(optional)
External
PROM
(optional)
SRAM
SRAM
SDRAM
Fabric
Control
Logic
(optional)
Table
Lookup
Unit
PCI
Serial
PROM
Fabric
Processor
Executive Processor
Queue
Mgmt
Unit
Buffer
Mgmt
Unit
Buses (64Gbps Bandwidth)
Channel
Processors
CP-0 CP-1 CP-2 CP-3
PHY PHY PHY PHY
CP-12 CP-13 CP-14 CP-15
Cluster
Processor Boundary
C-3e
NP
Cluster
16 Channel Processors:
8 (CP0 to CP7) full functionality
8 (CP8 to CP15) Internal-only
PHY Interface Examples:
10/100 Ethernet
Gigabit Ethernet - Aggregated
OC-3
OC-12
03
FREESCALE [ Freescale ]
