Cirrus-logic CDB43L22 Manual de usuario descargar pdf (Pagina 18)

18 DS792DB1

CDB43L22

6. JUMPER SETTINGS

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

VL

+VA_HP

VA

VD

Current Measurement

*SHUNTED 1 Ω series resistor is shorted.

OPEN 1 Ω series resistor in power supply path.

J48 VP Current measurement *SHUNTED VP supply to CS43L22 is selected.

J13

J14

[No Label]

Applies a filtered or a non-filtered

version of the SPKA- signal to J60

*1 - 2 SPKOUTA- output routed to J60.

2 - 3 SPKOUTA- output not routed to J60.

J16

J17

[No Label]

Applies a filtered or a non-filtered

version of the SPKA+ signal to J59

*1 - 2 SPKOUTA+ output routed to J59.

2 - 3 SPKOUTA+ output not routed to J59.

J11

J12

[No Label]

Applies a filtered or a non-filtered

version of the SPKB- signal to

J101

*1 - 2 SPKOUTB- output routed to J101.

2 - 3 SPKOUTB- output not routed to J101.

J20

J23

[No Label]

Applies a filtered or a non-filtered

version of the SPKA- signal to J99

*1 - 2 SPKOUTB+ output routed to J99.

2 - 3 SPKOUTB+ output not routed to J99.

J15 MONO

Applies a short between SPKOUT

A+ and A-. (Used only after

MONO function is enabled in the

CS43L22)

*OPEN

Channel A+ and A- to J59 and J60 respec-

tively.

SHUNTED

Channel + to J59 and J60 respectively.

J19 MONO

Applies a short between SPKOUT

B+ and B-. (Used only after

MONO function is enabled in the

CS43L22)

*OPEN

Channel B+ and B- to J99 and J101 respec-

tively.

SHUNTED Channel - to J99 and J101 respectively.

J3 HP B LOAD

Selects 32 or 16 Ω load for

HP/LINE_OUTB (DAC out)

1 - 2 16 Ω load selected.

2 - 3 32 Ω load selected.

J9 HP A LOAD

Selects 32 or 16 Ω load for

HP/LINE_OUTA (DAC out)

1 - 2 16 Ω load selected.

2 - 3 32 Ω load selected.

J1 LEFT CH

Selects between a filtered or non

filtered version of the

HP/LINE_OUTA signal.

1 - 2 Non-filtered HP/LINE_OUTA to HP/Line Jack.

*2 - 3

Filtered HP/LINE_OUTA to HP/Line Jack.

J2 RIGHT CH

Selects between a filtered or non

filtered version of the

HP/LINE_OUTB signal.

1 - 2 Non-filtered HP/LINE_OUTA to HP/Line Jack.

*2 - 3

Filtered HP/LINE_OUTA to HP/Line Jack.

J22 HP DETECT

Selects the control source for the

SPKR/HP pin

1 - 2 FPGA.

*2 - 3 HP Jack.

J34 Board Power

Selects either USB or External

+5 V power for the board

1 - 2 External +5 V power.

*2 - 3

USB generated +5 V power. (USB hub must be

capable of greater than 300 mA)

J5 VP

Selects either External or Battery

power for VP and for the buck reg-

ulators that powers VA, VA_HP

and VD

*1 - 2 External from J35.

2 - 3

Battery from BT1-BT3 (bottom side)

Table 5. Jumper Settings

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 30 31

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