Software Overview
11
SLOU464A – March 2017 – Revised October 2017
Copyright © 2017, Texas Instruments Incorporated
TAS6422-Q1 Evaluation Module
3.5
TAS6422 EVM Start Up
This section describes the TAS6422 start-up procedure. Have the equipment and accessories listed on
the first page of this document available.
3.5.1
TAS6422 EVM Setup
Hardware and software connections:
•
Desk top or laptop PC running Windows 7. Open PPC3 GUI.
•
Connect 14.4 VDC PSU to TAS6422 EVM
•
Connect speakers or resistive loads to TAS6422 EVM
•
Connect USB micro cable from PC to the EVM
•
Set the switches (SPDIF, STANDBY, MUTE) to up positions
•
Turn on the PSU
•
Audio source: This can be a DVD player with optical SPDIF cable or Windows Media Player from PC
•
At this point, 3.3 V LED, USB-LOCK LED and SPDIF-LOCK LED (if optical SPDIF is used) are on.
•
If the SPDIF LED is not on, the default I2S input is the USB audio source.
•
On the PPC3 window, launch TAS6422 EVM application
•
The audio can be streamed now to the speakers. Go to the GUI and click on “Device Monitor &
Control” box. Click on play button located on the top right of the window.
•
The following sections describe in detail the register settings of TAS6422.
Figure 10. TAS6422 EVM Connection