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CS22250 Datasheet, PDF (3/32 Pages) Cirrus Logic – WIRELESS 10BT CONTROLLER | |||
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2 Features and Benefits
Power Management
⢠ACPI compliant
⢠Programmable sleep timer for ARM core and system power management
⢠Independent power management control for individual functional blocks
⢠Supports variable rate radio transmit, receive and standby radio power modes
Clock and PLL Interface
⢠Single 44MHz crystal oscillator reference clock
⢠Internal PLL to generate internal and on board clocks
Chip Processing and Packaging
⢠208 FPBGA package and 0.18um state of the art CMOS process
⢠1.8 V core for low power consumption. 3.3V I/O
High Speed Parallel Interface
⢠Multi-purpose 32bit bus for connecting with other high speed devices
⢠Supports operations at ½ the speed of the ARM clock (up to 38MHz)
⢠Two independent full-duplex DMA channels transfer between external devices to ARM
system memory
⢠Supports one external interrupt pin to the ARM core
CS22250 Wireless 10BT Controller
3 of 32
www.cirrus.com
DS551PP2 Rev. 3.0
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