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Block diagram – Rainbow Electronics W90N740 User Manual

Page 9

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W90N740

Publication Release Date: November 26, 2004

- 5 -

Revision A4

3. BLOCK DIAGRAM

ARM7TDMI

Cache

Controller

Wrapper

APB

Bridge

AHB

Arbiter

AHB

Decoder

UART

TIMER x2

Interrupt

Controller

GPIO

Clock

Controller

PLL

External Bus

Controller

GDMA

Controller

USB Host

Controller

Ethenet

MAC

Controller 0

W90N740

8K-Byte

I Cache

ROM

Flash

RAM

PCMCIA

IO Dev

SDRAM

USB

Device

PHY

PHY

A

H

B Bus

A

P

B Bus

TDMI Bus

2K-Byte

D Cache

JTAG

ICE

EBI Bus

COM Port

External

Interrupts

WDT

NAT

Accelerator

Ethenet

MAC

Controller 1

Fig 3.1 W90N740 Functional Block Diagram