Table 2. jumper settings, Details, Cdb42l52 – Cirrus Logic CDB42L52 User Manual

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DS680DB1

CDB42L52

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
J47
J74
J53
J48

VL

+VA_HP

VA

VD
VP

Current Measurement

*SHUNTED

1

Ω series resistor is shorted.

OPEN

1

Ω series resistor in power supply path.

J39

AIN1A_AC_DC

Selects either AC or DC couple for

AIN1A Input

*OPEN

AIN1A input is AC coupled to ADC.

SHUNTED

AIN1A input is DCcoupled to ADC.

J7

AIN1A_AC_DC

Selects either AC or DC couple for

AIN1B Input

*OPEN

AIN1A input is AC coupled to ADC.

SHUNTED

AIN1A input is DCcoupled to ADC.

J38

MIC1-_BIAS

Selects MICBIAS for MIC1- Input

*OPEN

AIN3A/MIC1- Input from Audio Jack.

SHUNTED

AIN3A/MIC1- Input is MICBIAS.

J46

MIC2-_BIAS

Selects MICBIAS for MIC1- Input

*OPEN

AIN3B/MIC2- Input from Audio Jack.

SHUNTED

AIN3B/MIC2- Input is MICBIAS.

J49

MIC1+_BIAS

Selects MICBIAS for MIC1+ Input

*OPEN

AIN4A/MIC1+ Input from Audio Jack.

SHUNTED

AIN4A/MIC1+ Input is MICBIAS.

J51

MIC2+_BIAS

Selects MICBIAS for MIC2+ Input

*OPEN

AIN4B/MIC2+ Input from Audio Jack.

SHUNTED

AIN4B/MIC2+ Input is MICBIAS.

J13

SPKRA-_FLT/NOFLT

Selects FLT or NOFLT output for

SPKOUTA-

1 - 2

No filtered output selected for SPKOUTA-.

*2 - 3

LC filtered output selected for SPKOUTA-.

J16

SPKRA+_FLT/NOFLT

Selects FLT or NOFLT output for

SPKOUTA+

1 - 2

No filtered output selected for SPKOUTA+.

*2 - 3

LC filtered output selected for SPKOUTA+.

J11

SPKRB-_FLT/NOFLT

Selects FLT or NOFLT output for

SPKOUTB-

1 - 2

No filtered output selected for SPKOUTB-.

*2 - 3

LC filtered output selected for SPKOUTB-.

J20

SPKRB+-_FLT/NOFLT

Selects FLT or NOFLT output for

SPKOUTB+

1 - 2

No filtered output selected for SPKOUTB+.

*2 - 3

LC filtered output selected for SPKOUTB+.

J14

SPKR_A-_CONN

Selects LCFLT or RCFLT output

for SPKOUTA-

1 - 2

RC filtered SPKOUTA- to J6.

*2 - 3

LC filtered SPKOUTA- to J6 and J60.

J17

SPKR_A+_CONN

Selects LCFLT or RCFLT output

for SPKOUTA+

1 - 2

RC filtered SPKOUTA+ to J6.

*2 - 3

LC filtered SPKOUTA+ to J6 and J59.

J12

SPKR_B-_CONN

Selects LCFLT or RCFLT output

for SPKOUTB-

1 - 2

RC filtered SPKOUTB- to J18.

*2 - 3

LC filtered SPKOUTB- to J18 and J101.

J23

SPKR_B+_CONN

Selects LCFLT or RCFLT output

for SPKOUTB+

1 - 2

RC filtered SPKOUTB+ to J18.

*2 - 3

LC filtered SPKOUTB+ to J18 and J99.

J15

MONO

Selects Full or Half Bridge output

for SPKOUTA-/+

*OPEN

Stereo Full Bridge outputs to J60 and J59.

SHUNTED

Mono Full Bridge output to J60 and J59.

J19

MONO

Selects Full or Half Bridge output

for SPKOUTB-/+

*OPEN

Stereo Full Bridge outputs to J101 and J99.

SHUNTED

Mono Full Bridge output to J101 and J99.

Table 2. Jumper Settings

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