cs4215 Cirrus Logic, Inc., cs4215 Datasheet - Page 35

• Manufacturer Part Number: cs4215
• Description: 16-bit Multimedia Audio Codec
• Manufacturer: Cirrus Logic, Inc.

CLKOUT - Master Clock Output, Pin 5(L), 95(Q)
Miscellaneous Pins
PIO0, PIO1 - Parallel Input/Output, Pins 36(L), 37(L), 72(Q), 74(Q)
Note: All unlabeled pins are No Connects which should be left floating.
DS76F2
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.
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.
CS4215
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