IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-17
Q421 : CS42518 (8-Ch Codec with S/PDIF Receiver)-4/4
TX-SR503/503E/8350
Pin Name # Pin Description
CL_SDOUT 56 CODEC Serial Data Output (Output) - Output for two's complement serial audio data the internal
and external ADCs.
ADCIN1
ADCIN2
58
57
External ADC Serial Input (Input) - The CS42518 provides for up two external stereo analog to digital
converter inputs to provide a maximum of six channels on serial data output line when the CS42518
is placed in One Line mode.
OMCK 59
External Reference Clock (Input) - External clock reference that must be within the ranges specified in
currently active on the serial audio data line.
SAI_LRCK 60
Serial Audio Interface Left/Right Clock (Input/Output) - Determines which channel, Left of Right, is
currently active on the serial audio data line.
SAI_LRCK 61 Serial Audio Interface Serial Clock (Input/Output) - Serial clock for the Serial Audio Interface
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