Network Processing and VoIP
Home Network Processors
CX8620x Features and Versions
Features
• 180 MHz ARM923EJS-based processor
• 16 KB of I-Cache and 8 KB of D-Cache
• 5 integrated Ethernet ports with Auto MDIX support
• PCI interface
• Supports up to 16 MB of Flash and 64 MB of SDRAM
• Embedded UART interface for external modem applications
• TDMI interface for VoIP
Versions
• CX86202 for a wide range of home networking applications
including wired and wireless gateways, printer servers, home
storage, virtual private networks and Voice over IP in a 292-pin BGA
• CX86201 for basic wired and wireless gateways in a 233-pin BGA
with a PCI interface
ARM 926 EJ-S Processor
Instruction Cache
16 KB
Data Cache
8 KB
AHBL (0-4)
External
Memory
Controller
ROM
16 KB
APB
TDMI
16/32
bit
USB
Host
Eth
Phy
1
Eth
Phy
2
Eth
Phy
3
Eth
Phy
4
Eth
Phy
5
UART
3DES
Parallel
INTF
PCI-32 bit
RAM
8 KB
DMA
Engines
PPI-16 bit
CX8620x Architecture Diagram
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