DS691DB1

5

CDB4350

9. BOARD CONNECTIONS AND SETTINGS

Board connections and settings are shown in Table 1, Table 2, and Table 3.

Table 1. System Connections

Table 2. CDB4350 Jumper Settings

*Default Factory Settings.

Table 3. CDB4350 Switch Settings

*Default Factory Settings.

Note:

1.

Switch settings take effect in Stand-Alone Mode only.

CONNECTOR

INPUT/OUTPUT

SIGNAL PRESENT

GND

Input

Ground connection from power supply

+12V

Input

+12 V positive supply for the on-board filtering

-12V

Input

-12 V negative supply for the on-board filtering

S/PDIF IN - J1

Input

Digital audio interface input via coax

S/PDIF IN - OPT1

Input

Digital audio interface input via optical

PCM INPUT - J10

Input

Input for master, serial, left/right clocks and serial data

AOUTA, AOUTB

Output

RCA line level analog outputs from active output stage

POUTA, POUTB

Output

RCA line level analog outputs from passive output stage

JUMPER

PURPOSE

POSITION

FUNCTION SELECTED

J6, J21

Selects analog output

*A

P

*CDB4350 outputs from AOUTA and AOUTB

CDB4350 outputs from POUTA and POUTB

J3, J4, J7

Selects Supply Voltage for

CS4350

+5V

*+3.3V

Supplies +5.0 V to associated CS4350 supply

*Supplies +3.3 V to associated CS4350 supply

J38

Selects source of control data

*PC CONTROL

shunts removed

*Control from PC and on-board microcontroller

External control input using center and right columns

J27

C2 micro programming

-

Reserved for factory use only

SWITCH

(Note 1)

PURPOSE

POSITION

FUNCTION SELECTED

S2

Resets CS8416 and CS4350

The CS8416 must be reset if switch S1 is changed

S1

CS8416 Format Select

SFSEL[1:0]

1,2

Default: SFSEL[1:0] = 00 (Closed). See CS8416 datasheet

for details.

S4

CS4350 Format Select

DIF[2:0]

1,2, 3

Default: DIF[2:0] = 000 (Closed). See CS4350 datasheet

for details.

CS4350 De-emphasis Select

4

open = De-emphasis enabled

*closed = De-emphasis disabled.

CS4350 Popguard Enable

5

open = Popguard enabled

*closed = Popguard disabled.

Selects PCM source for

CS4350

6

*open = CS8416

closed = PCM Header J10