CS22220 Datasheet, PDF (4/34 Pages) Cirrus Logic – WIRELESS PCI/USB CONTROLLER

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
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