SBAU141A January   2009  – April 2024 PCM2912A

 

  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 Pin Assignments and Terminal Functions
    2. 2.2 Interface and Connections
  9. 3Software
    1. 3.1 Software Setup Guide
      1. 3.1.1 Basic Operating Setup for Windows 10
        1. 3.1.1.1 Basic Setup Before Evaluation
        2. 3.1.1.2 Volume and Mute Settings
        3. 3.1.1.3 Sampling Frequency
      2. 3.1.2 Basic Operating Setup for Mac OS
        1. 3.1.2.1 Basic Setup Before Evaluation
        2. 3.1.2.2 Volume Settings
        3. 3.1.2.3 Sampling Frequency
  10. 4Implementation Results
    1. 4.1 Evaluation Setup
    2. 4.2 Performance Data and Results
      1. 4.2.1 Measurements for Dynamic Characteristics
      2. 4.2.2 Playback Performance
      3. 4.2.3 Recording Performance
  11. 5Hardware Design Files
    1. 5.1 Schematics
    2. 5.2 PCB Layout
    3. 5.3 Bill of Materials (BOM)
  12. 6Additional Information
    1. 6.1 Trademarks
  13. 7Related Documentation
  14. 8Revision History

2.2 Interface and Connections

Table 3-2 lists the connector references for the DEM-PCM2912A EVM.

Table 2-2 DEM-PCM2912A EVM Connectors
ConnectorsPart/Description
CN1USB connector, type A
J1Mono microphone input
J2Headphone output terminal
D1LED (red); record indicator (flash while muting)
D2LED (green); playback indicator (flash while muting)
S1-1Microphone mute switch (ON: Mute; OFF: Unmute)(1)
S1-2Power select (ON: 100 mA; OFF: 500 mA)

S1-3

Microphone amplifier gain control
(ON: 0 dB; OFF: +20dB)
(1) The status of SW1 (microphone mute switch) is not reflected in the Mic Mute status of the Wave In display on a Windows-based PC; the operating system does not support an HID function.