SLAU936 August   2024 TAS2120

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Quick Start Guide
    1. 2.1 TAS2120EVM Setup for Software Mode
    2. 2.2 TAS2120EVM Setup for Hardware Mode
  9. 3Hardware
    1. 3.1  AC-MB Settings
      1. 3.1.1 Audio Serial Interface Settings
      2. 3.1.2 USB Audio AC-MB Settings
      3. 3.1.3 External Audio AC-MB Settings
    2. 3.2  AC-MB Power Supply
    3. 3.3  Default Jumper Setting on TAS2120EVM
    4. 3.4  I2C Target Address Selection
    5. 3.5  IOVDD Power Supply Options
    6. 3.6  AVDD Power Supply Options
    7. 3.7  VBAT Power Supply Options
      1. 3.7.1 VBAT 3S EVM Hardware Configuration
    8. 3.8  IOVDD_BUFF Power Supply Options
    9. 3.9  Speaker Outputs
    10. 3.10 2-Channel Configuration
    11. 3.11 4-Wire Measurement of Load
  10. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials
  11. 5Additional Information
    1. 5.1 Trademarks

2.1 TAS2120EVM Setup for Software Mode

Follow the information presented in this section to properly set the EVM for Software Mode. Place the jumpers as instructed in Table 3-3.

Table 2-1 Software Mode Jumper Settings
Jumper Setting Description

SEL1 (J9/J86)

I2C

Short from the middle row to the top pin to select I2C mode.

SEL2 (J10/J87)

Open

This pin is re-purposed as SCL, remove the jumper.

SEL3 (J78)

Open

This pin is re-purposed as SDA, remove the jumper.

SEL4 (J79)

0x90

Select the I2C address option.

SEL5 (J8/J12)

Open

This pin is not used in I2C mode, remove the jumper.
TAS2120EVM Software Mode Jumper Settings Figure 2-1 Software Mode Jumper Settings

Once all the jumpers on the EVM are properly located, follow the steps below:

  • Connect AC-MB to EVM by placing the EVM on top of the edge of the AC-MB.
  • Set the IOVDD jumper on AC-MB to either 3.3V or 1.8V.
  • Connect USB cable from PC to AC-MB.
  • Connect 5V power adapter to barrel jack J21 on TAS2120EVM.

At this moment, the device is powered up and running, ready to play audio. The evaluation kit works as any other sound card, select the EVM as system playback device and use any software like web browser, media player, and so forth.

Users can use PPC3 and connect to the device for specific device settings.