CX82100 Home Network Processor Data Sheet
1.3
General Hardware Overview
The major CX82100 HNP internal components (also referred to as blocks or functions)
and external interfaces of the CX82100 HNP are illustrated in Figure 1-1.
A typical system interface for a Residential Gateway Firewall plus Router application
using the CX82100 HNP is illustrated in Figure 1-2.
A typical system interface for an Ethernet/HomePNA 2.0 Bridge application using the
CX82100 HNP is illustrated in Figure 1-3.
The major internal and external CX82100 interconnection signal paths are illustrated in
Figure 1-4.
Figure 1-1. CX82100 HNP Major System Interface
CX82100 Home Network Processor (HNP)
ARM940T Processor
Other Peripherals
Flash ROM
Host
Parallel
Expansion
Bus
Random
Access
Memory
(RAM)
Read-Only
Memory
(ROM)
Host
Interface
Ethernet or
CX24611 HomePNA 2.0
PHY/AFE
External
Memory
Controller
(EMC)
Ethernet Media
Access
Controller 2
(EMAC 2)
MII/7WS
SDRAM
or SRAM
Control Logic
(Optional)
Ethernet or
CX24611 HomePNA 2.0
PHY/AFE or
General
Purpose
Universal
Serial Bus
(USB)
Ethernet Media
Access
Controller 1
(EMAC 1)
MII/7WS
USB
PC or Hub
(Optional)
Input/Output
(GPIO)
4-Port Switch
(Optional)
Interface
Interface
EEPROM
101306_065
101306C
Conexant Proprietary and Confidential Information
1-3
CONEXANT [ CONEXANT SYSTEMS, INC ]
