Cirrus-logic CDB4350 Instrukcja Użytkownika Pobierz pdf (Strona 5)

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

*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

CS8416 Format Select

SFSEL[1:0]

1,2

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

for details.

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

*open = CS8416

closed = PCM Header J10

1 2 3 4 5 6 7 8 9 10 ... 15 16

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