SLAU896A July   2023  – March 2026

 

  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. 2Hardware
    1. 2.1  AC-MB Settings
      1. 2.1.1 Audio Serial Interface Settings
      2. 2.1.2 USB
      3. 2.1.3 External
    2. 2.2  AC-MB Power Supply
    3. 2.3  Default Jumper Setting on TAS2574EVM
    4. 2.4  I2C Target Address Selection
    5. 2.5  IOVDD and AVDD Power Supply Options on EVM
    6. 2.6  VBAT Power Supply for TAS2574 on EVM
      1. 2.6.1 VBAT 2S EVM Hardware Configuration
      2. 2.6.2 VBAT 3S EVM Hardware Configuration
    7. 2.7  1-Channel Configuration
    8. 2.8  4-Channel Configuration
    9. 2.9  Speaker Outputs
    10. 2.10 4-Wire Measurement of Load
  9. 3Software
    1. 3.1 PurePath Console 3 Quick Start Up
    2. 3.2 PPC3 - 257x EVM Feature Description
      1. 3.2.1 Limiter and Brown-Out Protection
      2. 3.2.2 Playback and PCM Configuration
      3. 3.2.3 TDM Receiver and Transmitter PPC3 Configuration
      4. 3.2.4 Miscellaneous and IRQZ Configuration
      5. 3.2.5 Tone Generator and Ultrasonic Chirp Generator
      6. 3.2.6 AVDD Bridge, Music Efficiency and Noise Gate
      7. 3.2.7 Boost and Channel Gain
  10. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials (BOM)
  11. 5Additional Information
    1. 5.1 Trademarks
  12. 6Revision History

2.1.1 Audio Serial Interface Settings

The AC-MB provides the digital audio signals to the evaluation module from the USB, optical connector, stereo jack, and external audio serial interface (ASI) header. Figure 2-1 shows a block diagram of the ASI routing on the AC-MB.

TAS2574EVM AC-MB Audio Serial Interface RoutingFigure 2-1 AC-MB Audio Serial Interface Routing

Switch SW2 on the AC-MB selects the audio serial bus that interfaces with the TAS2574EVM daughter card. Next to switch SW2, the AC-MB has a quick reference table to identify the audio serial interface source options and switch settings. The AC-MB acts as the controller for the audio serial interface, with three different modes of operation: USB, optical or analog, or external ASI.