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EVM Description and Basics

2.2Default Configuration and Connections

2.2.1USB-MODEVM

Table 1 provides a list of the SW2 settings on the USB-MODEVM. For use with the TLV320AIC3107EVM, SW-2 positions 1 through 7 must be set to ON (LO), whereas SW-2.8 must be set to OFF (HI).

 

Table 1. USB-MODEVM SW2 Settings

SW-2 Switch Number

Label

Switch Description

1

A0

USB-MODEVM EEPROM I2C Address A0

 

 

ON: A0 = 0

 

 

OFF: A0 = 1

2

A1

USB-MODEVM EEPROM I2C Address A1

 

 

ON: A1 = 0

 

 

OFF: A1 = 1

3

A2

USB-MODEVM EEPROM I2C Address A2

 

 

ON: A2 = 0

 

 

OFF: A2 = 1

4

USB I2S™

I2S Bus Source Selection

 

 

ON: I2S Bus connects to TAS1020

 

 

OFF: I2S Bus connects to USB-MODEVM J14

5

USB MCK

I2S Bus MCLK Source Selection

 

 

ON: MCLK connects to TAS1020

 

 

OFF: MCLK connects to USB-MODEVM J14

6

USB SPI

SPI Bus Source Selection

 

 

ON: SPI Bus connects to TAS1020

 

 

OFF: SPI Bus connects to USB-MODEVM J15

7

USB RST

RST Source Selection

 

 

ON: EVM Reset Signal comes from TAS1020

 

 

OFF: EVM Reset Signal comes from USB-MODEVM J15

8

EXT MCK

External MCLK Selection

 

 

ON: MCLK Signal is provided from USB-MODEVM J10

 

 

OFF: MCLK Signal comes from either selection of SW2-5

2.2.2TLV320AIC3107EVM Jumpers and Switches

Table 2 provides a list of jumpers found on the EVM and their factory default conditions.

 

 

 

Table 2. List of Stand-alone Jumpers

 

Jumper

Jumper

Default

 

 

Number

Type

Position

Jumper Description

 

W1

2-pin

soldered

AVDD_ADC power

 

W2

2-pin

soldered

DRVDD power (DRVDD1 on EVM).

 

W3

2-pin

soldered

DRVDD power (DRVDD2 on EVM).

 

W3

2-pin

soldered

AVDD_DAC power.

 

W5

2-pin

soldered

SPVDD power.

 

W7

2-pin

soldered

DVDD power.

 

W8

2-pin

soldered

IOVDD power.

 

W9

3-pin

2-3

Mic bias select. Connect 1-2 to use AIC3107 Mic Bias. Connect 2-3 to use EVM 3.3V Mic Bias.

 

W10

2-pin

Open

Connect EVM Onboard Mic to AIC3107 MIC3R input.

 

W11

2-pin

Open

Connect EVM Onboard Mic to AIC3107 MIC3L input.

 

W12

2-pin

Open

Enable 16-ohm load for HPL output test.

 

W13

2-pin

Open

Enable 16-ohm load for HPR output test.

 

W14

3-pin

1-2

IOVDD select. Connect 1-2 for IOVDD=+1.8V. Connect 2-3 for IOVDD=+3.3V.

 

W15

2-pin

Open

GPIO1 access point.

 

W16

2-pin

Installed

Software reset enable.

 

SLAU261–November 2008

TLV320AIC3107EVM-K

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Texas Instruments TLV320AIC3107EVM-K quick start Default Configuration and Connections, USB-MODEVM SW2 Settings