CS22250 Datasheet, PDF (5/32 Pages) Cirrus Logic – WIRELESS 10BT CONTROLLER

3 Functional Description
Figure 2. Block Diagram of Major Functional Units
7 pin Serial
Interface
DMA
Ethernet
MAC
w/ DMA
Controller
High Speed
Parallel
Interface
Parallel
Interface
Controller
Memory/Boot ROM
Controller
Arbiter
DMA
DMA
Controller
DMA
Read/Write Buffer
ARM 7TDMI
Interrupt
controller
Timer
(2)
4KB
Cache
DMA
JTAG/Test Interface
Radio MAC
w /DMA Ctrl
USB
Digital Radio
Interface
USB Device
Configuration Interface
77MHz System Control Bus
Sleep
Timer
FEC codec
Config.
Registers
Clock/PLL
CS22250 Wireless 10BT Controller
Crystal or
Oscillator
5 of 32
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