Datasheet

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DAC3120 EVM

3.3.1 miniDSP Programs

miniDSP programs developed in TI PurePath Studio can be programmed as EVM applications using the

CodecControl software. A miniDSP program must be exported from PurePath Studio as a command script

and loaded with CodecControl as described in 2.6

3.4 Jumpers, Connectors, Test

W1: 1-2: Select analog volume control potentiometer.

2-3: Select microphone detection.

W2: insert to apply right channel mic-bias voltage to microphone connector.

W3: insert to apply left channel mic-bias voltage to microphone connector.

W4: AVDD wire loop. Cut and insert ampere meter to measure AVDD current.

W5: SPVDD wire loop. Cut and insert ampere meter to measure SPVDD current.

W6: HPVDD wire loop. Cut and insert ampere meter to measure HPVDD current.

W7: DVDD wire loop. Cut and insert ampere meter to measure DVDD current.

W8: IOVDD wire loop. Cut and insert ampere meter to measure IOVDD current.

TP1: I2C SCL

TP2: I2C SDA

TP3: MCLK for codec

TP4: I2S™ DIN to codec

TP5: I2S BCLK

TP6: I2S DOUT from codec

TP7: I2S WCLK

TP12: Reset

TP13: GPIO1 from codec

TP14: GND

TP15:

TP8, TP9, TP10, TP11, TP12: Not used by DAC3120

J1: mini USB-B connector

J2: Microphone input

J3: Class-D speaker terminal

J4: Headphone output

SW1: Reset codec

SW2: Select EVM application

SW3: Select patch script

SLAU302–December 2009 ACEV-1A EVM

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