CS22220 데이터 시트보기 (PDF) - Cirrus Logic

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CS22220

Wireless PCMCIA Controller

Cirrus Logic 

3 Functional Description

Figure 2. Block Diagram of Major Functional Units

PCMCIA

DMA

PCMCIA

Controller

w/DMA Ctrl

Memory/Boot ROM

Controller

Arbiter

Read/Write Buffer

ARM 7TDMI

Interrupt

controller

Timer

(2)

4KB

Cache

DMA

JTAG/Test Interface

Radio MAC

w/ DMA Ctrl

Digital Radio

Interface

System Control Bus

Sleep

Timer

FEC codec

Clock/PLL

Crystal or

Oscillator

CS22220 Wireless PCMCIA Controller

4 of 34

www.cirrus.com

DS557PP2 Rev. 3.0

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