CS22220 Datasheet, PDF (14/34 Pages) Cirrus Logic – WIRELESS PCI/USB CONTROLLER

DACAVCC
DACAGND
Analog power for DAC. This is 3.3V.
Analog ground for DAC.
Input
Input
PLL and Clock Interface
There are three clock pins and five PLL power pins. There are a total of 8 signals in this interface.
XTAL_CLKIN
XTALOUT
44 MHz reference clock input/crystal clock input.
Reference crystal clock output.
Input
Input
XTRACLK
PLLAGND
PLLAVCC
PLLDGND
PLLDVCC
PLLPLUS
Input
Second clock input to the clock module. This input clock is used
depending on the clock configuration, which is determined by three
strapping pin values.
Input
Analog PLL ground.
Input
Analog PLL power. This is 3.3V.
Input
Digital PLL ground.
Input
Digital PLL power. This is 1.8V.
Input
Analog PLL ground.
CS22220 Wireless PCMCIA Controller
14 of 34
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DS557PP2 Rev. 3.0