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CS22250 Datasheet(PDF) 16 Page - Cirrus Logic |
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CS22250 Datasheet(HTML) 16 Page - Cirrus Logic |
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16 / 32 page  CS22250 Wireless 10BT Controller 16 of 32 DS551PP2 Rev. 3.0 www.cirrus.com PLL and Clock Interface There are three clock pins and five PLL power pins for a total of 8 signals in this interface. XTAL_CLKIN Input 44 MHz Reference clock input/crystal clock input. XTALOUT Output Reference crystal clock output. XTRACLK Input Second clock input to clock module. Use depending on clock module configuration setting. Refer to the clock section for more information. PLLAGND Input Analog PLL ground. PLLAVCC Input Analog PLL power. 3.3V input. PLLDGND Input Digital PLL ground. PLLDVCC Input Digital PLL power. This is 1.8V input. PLLPLUS Input Analog PLL ground. Ethernet Interface ETXCLK Input Transmit clock. A 10 MHz clock input. This clock signal provides the reference sampling point for transmit data. ETXDOOutput Transmit data. This output signal is NRZ formatted and is transmitted to the Ethernet PHY layer. |
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