CX82100 Home Network Processor Data Sheet
Figure 1-4. CX82100 HNP Block Diagram
ARM940T Processor
IRQ#
FIQ#
JTAG
ARM9TDMI
Core
Instruction
Cache
System
Control
Data
Cache
ASB
Interface
Write-Back
Buffer
Master/Slave (M/S)
ASB
Arbiter
Advanced System
Bus (ASB)
Host Parallel
External
SDRAM/
SRAM
S
S
S
M/S
M/S
Host Interface
Expansion Bus to
Flash ROM and
Other
RAM
(8k x 32)
ROM
(16k x 32)
ASB
Decoder
ASB-to-APB
Bridge/DMAC
EMC
MII/7W S to
LAN/WAN PHY
EMAC
Advanced Peripheral
Bus (APB)
10/100BaseT
MII/7WS to
LAN/W AN PHY
Interrupt
Controller
(INTC)
EMAC
10/100BaseT
USB to PC or USB Hub
USB
Timers
Interface
I/O Control/Status
EEPROM Serial I/F
CLKI
GPIO
Interface
FCLK
BCLK
PCLK
PLLBP
FCLKIO
BCLKIO
Clock
Generation
(PLL)
CX82100 HNP
101306-003
101306C
Conexant Proprietary and Confidential Information
1-5
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