CS4227 Datasheet, PDF (32/36 Pages) Cirrus Logic – Six Channel, 20-Bit Codec

CS4227
Clock and Crystal Pins
XTI, XTO - Crystal connections
Input and output connections for the crystal which may be used to operate the CS4227. Alternatively, a
clock may be input into XTI.
CLKOUT - Master Clock Output
CLKOUT allows external circuits to be synchronized to the CS4227. Alternate output frequencies are
selectable by the control port.
Miscellaneous Pins
PDN - Powerdown Pin
When low, the CS4227 enters a low power mode and all internal states are reset, including the control
port. When high, the control port becomes operational and the RS bit must be cleared before normal
operation will occur.
NC - No Connect
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DS281PP2