CS4331 datasheet(26/38 Pages) CIRRUS

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JUMPER

PURPOSE

POSITION

FUNCTION SELECTED

CSLR/FCK

selects channel for

CS8412 channel status

information

See CS8412 data sheet for details

Clock

Select

Selects source of

system clocks and data

*8412

CS8412 clock/data source

EXT

External clock/data source

J22

J23

Selects MCLK as Input

or Output

See

Input/Output for Clocks and

Data section of text

CS8412 mode select

*Low

See CS8412 data sheet

for details

*High

*Low

SCLK

Selects SCLK Mode

INT

Internal SCLK Mode

*EXT

External SCLK Mode

DEM_8412

Selects source of de-

emphasis control

*Low

CS8412 de-emphasis

High

De-emphasis input static high

* Default setting from factory

Table 2. CDB4330 Jumper Selectable Options

CONNECTOR

INPUT/OUTPUT

SIGNAL PRESENT

+5V

input

(VD+5V) for CS8412 and digital section

input

(VA+) for Analog output filter op-amp

(configured for +5V)

+3/+5V

input

(VD+3/+5V) for Voltage Level Converter

input

(VA+3/+5V) for CS4330/31/33

GND

input

ground connection from power supply

Digital Input

input

digital audio interface input via coax

Optical Input

input

digital audio interface input via optical

MCLK, SCLK,

LRCK

input/output

I/O for master, serial, and left/right clocks

SDATA

input/output

I/O for serial data

AOUTL

output

left channel analog output

AOUTR

output

right channel analog output

Table 1. System Connections

CDB4330, CDB4331, CDB4333

DS136DB2

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