CS4215 Datasheet, PDF (35/52 Pages) Cirrus Logic – 16-Bit Multimedia Audio Codec

CS4215
CLKOUT - Master Clock Output, Pin 5(L), 95(Q)
Master clock output, whose frequency is always 256 times the system sample rate (FSYNC
frequency). CLKOUT is active only in data mode and is low during control mode.
Miscellaneous Pins
PIO0, PIO1 - Parallel Input/Output, Pins 36(L), 37(L), 72(Q), 74(Q)
These pins are provided as general purpose digital parallel input/output and have open drain
outputs. An external pull-up resistor is required. They can be read in control mode, and read
and written to in data mode.
Note: All unlabeled pins are No Connects which should be left floating.
DS76F2
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