Pin No.
Pin Name
I/O
Description
-40-
IC DESCRIPTION -3/4 (CS4334) -1/1
1
2
3
4
5
6
7
8
SDATA
DEM/SCLK
LRCK
MCLK
AOUTR
AGND
VA
AOUTL(RTS1) I/
Serial Audio Data Input - two's complement MSB-first serial data is input on this pin. The data is
clocked into the CS4334 via internal or external SCLK,and the channel is determined by LRCK.
De-Emphasis/External Serial Clock Input - used for de-emphasis filter control or external serial
clock input.
Left/Right Clock - determines whick channel is currently being input on the Audio Serial Data
Input pin,SDATA.
Master Clock - frequency must be 256x,384x,or 512x the input sample rate in BRM and either
128x or 192x the input sample rate in HRM.
Analog Right Channel Output - typically 3.5 Vp-p for a full-scale input signal.
Analog Ground - analog ground reference is 0V.
Analog Power - analog power supply is nom5V.
Analog Left Channel Output - typically 3.5 Vp-p for a full-scale input signal.
I
I
I
I
O
I
I
O
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