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Forum Post: RE: TLV320AIC3104EVM-K

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Hi Gerhard,

Thank you for your question.

The board you have is up to date, however the documentation is incorrect (and is in the process of getting fixed).

**Correction**

The previous table below had a few assumptions about the application. Here is the full jumper list with descriptions (the default position is now consistent with the TLV320AIC3106)

 

Jumper

Default Position

Jumper Description

JMP1

Installed

Connects Analog and Digital Grounds.

JMP2

Open

Selects onboard EEPROM as Firmware Source.

JMP3

Installed

Connects onboard Mic to IN2L.

JMP4

Installed

Connects onboard Mic to IN2R.

JMP5

Installed

Provides a means of measuring IOVDD current.

JMP6

Installed

Provides a means of measuring DVDD current.

JMP7

Installed

Provides a means of measuring DVRDD current.

JMP8

Installed

Provides a means of measuring AVDD_DAC current.

JMP9

Open

When installed, allows the USB-MODEVM to hardware reset the device   under user control.

JMP10

2-3

When connecting 2-3, mic bias comes from the MICBIAS pin on the   device; when connecting 1-2, mic bias is supplied from the power supply   through a resistor, which the user must install.

JMP11

Installed

When installed, shorts across the output capacitor on HPLOUT; remove   this jumper if using AC-coupled output drive

JMP12

Installed

When installed, shorts HPLCOM and HPRCOM. Use only if these signals   are set to constant VCM.

JMP13

Installed

When installed, shorts across the output capacitor on HPLCOM; remove   this jumper if using AC-coupled output drive.

JMP14

Installed

When installed, shorts across the output capacitor on HPROUT; remove   this jumper if using AC-coupled output drive.

JMP15

Installed

When installed, shorts across the output capacitor on HPRCOM; remove   this jumper if using AC-coupled output drive.

JMP16

2-3

When connecting 2-3, IOVDD is set to +3.3VD; when connecting 1-2,   IOVDD and DVDD are shorted at +1.8VD.

 

**Correction**

Here is the list of jumpers to install:

Jumper

Position

 

1-2

2-3

JMP1

Install

 

JMP3

Install

 

JMP4

Install

 

JMP10

Do not install

Install

JMP12

Install

 

JMP16

Do not   install

Install

The jumpers not listed should not be installed.

 

Regards,

~John


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