Cirrus Logic CDB42L51 - Manual (Page 18)

18 DS679DB2
CDB42L51
JMP LABEL PURPOSE POSITION FUNCTION SELECTED
J31 VL
Selects source of voltage for the
VL supply
*+1.8V Voltage source is +1.8 V regulator.
+2.5V Voltage source is +2.5 V regulator.
+3.3V Voltage source is +3.3 V regulator.
J36 VA_HP
Selects source of voltage for the
VA_HP supply
*+1.8V Voltage source is +1.8 V regulator.
+2.5V Voltage source is +2.5 V regulator. .
J25 VA
Selects source of voltage for the
VA supply
*+1.8V Voltage source is +1.8 V regulator.
+2.5V Voltage source is +2.5 V regulator. .
J28 VD
Selects source of voltage for the
VD supply
*+1.8V Voltage source is +1.8 V regulator.
+2.5V Voltage source is +2.5 V regulator. .
J52
J48
J47
J53 VL
+VA_HP
VA
VD
Current Measurement
*SHUNTED 1 Ω series resistor is shorted.
OPEN 1 Ω series resistor in power supply path.
J2 LINEB MUX
Selects signal source for the ADC
I/O
(AIN3B Select) LINEB signal routed to jumper J8.
(AIN2B Select) LINEB signal routed to jumper J3.
*AIN1B LINEB signal routed to AIN1B of ADC.
J1 LINEA MUX
Selects signal source for the ADC
I/O
(AIN3A Select) LINEA signal routed to jumper J14.
AIN2A LINEA signal routed to AIN2A of ADC.
*AIN1A LINEA signal routed to AIN1A of ADC.
J3
(AIN2B
Select)
Selects signal source for MIC1 and
MIC2 bias or signal source for the
ADC input
BIAS1 to MIC2 Bias on AIN2B of ADC routed to jumper J12.
BIAS1 to MIC1 Bias on AIN2B of ADC routed to MIC1.
*LINEB LINEB MUX routed to AIN2B of ADC.
J8
(AIN3B
Select)
Selects signal source for MIC2
bias or signal source for the ADC
input
BIAS2 to MIC2 Bias on AIN3B of ADC routed to jumper J12.
MIC2 MIC2 signal routed to AIN3B of ADC.
*LINEB LINEB MUX routed to AIN3B of ADC.
J14
(AIN3A
Select)
Selects signal source for the ADC
input
MIC2 MIC2 signal routed to AIN3A of ADC.
MIC1 MIC1 signal routed to AIN3A of ADC.
*LINEA LINEA MUX routed to AIN3A of ADC.
J12 MIC2 Bias Selects bias for MIC2
BIAS1 J3 (for Bias on AIN2B of ADC) routed to MIC2.
BIAS2 J8 (for Bias on AIN3B of ADC) routed to MIC2.
*Not connected Jumper placed on pin 2.
J6
Left
Channel
Selects between filtered and non-
filtered output
*AOUTA Connects AOUTA of part directly to LEFT RCA jack.
AOUTA (LPF) Connects low-pass filtered AOUTA to LEFT RCA jack. .
J4
Right
Channel
Selects between filtered and non-
filtered output
*AOUTB Connects AOUTB of part directly to RIGHT RCA jack.
AOUTB (LPF) Connects lowpass filtered AOUTA to RIGHT RCA jack. .
J10
16 ohm
HP LOAD
Load Simulation
SHUNTED 16 Ω resistor shunted from AOUTA to GND.
*Not connected Jumper placed on pin 1.
J13
16 ohm
HP LOAD
Load Simulation
SHUNTED 16 Ω resistor shunted from AOUTB to GND.
*Not connected Jumper placed on pin 1.
*Default factory settings
Table 4. Jumper Settings