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CS22250 Datasheet, PDF (3/32 Pages) Cirrus Logic – WIRELESS 10BT CONTROLLER
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
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DS551PP2 Rev. 3.0