Hardware and software connections:
- Make sure that a desktop or laptop PC running
Windows 7 is used.
- Open PPC3 GUI.
- Connect 14.4 VDC PSU to TAS6424R-Q1
EVM.
- Connect speakers or resistive loads to TAS6424R-Q1 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,
then the default I2S input is the USB audio
source.
- On the PPC3 window, launch TAS6424E 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 the register settings of TAS6424R-Q1
in detail.