Cirrus Logic CDB4350 - Manual (Page 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
*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