Onkyo TX-SR604 Service Manual page 75

IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -15
Q301 : CS42518 (8-Ch Codec with S/PDIF Receiver)
TERMINAL DESCRIPTION (3/3)
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 58 External ADC Serial Input (Input) - The CS42518 provides for up two external stereo analog to digital
ADCIN2 57 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
TX-SR604/604E/8460