Cirrus Logic CK4970x4 - Manual (Page 34)

3-7 Copyright 2012 Cirrus Logic, Inc. DS898CK7
Installation, Setup, and Running First Application
CK49x User’s Manual
3.1.6 Downloading Other Applications
Separate project files (.cpa) are provided for other applications such as Dolby Digital. In order to evaluate
these, please contact your local FAE to ensure that the necessary licensing agreements have been
completed.
3.1.7 Running a Multichannel PCM Application via HDMI
The CK49x Evaluation System includes an HDMI 1.3–compliant receiver (Sil9135; To receive support for
the SiI9134 and SiI9135 chips, contact Silicon Image, Inc.) and an HDMI 1.32–compliant transmitter
(Sil9134), both of which are manufactured by Silicon Image, Inc.
To play multi-channel PCM via HDMI, follow the configuration and connections shown in Figure 3-1 .
1. Open the appropriate .cpa file
- For the DC4953x3, use the CS4953x->DSPComposer menu option and open:
C:\CirrusDSP\CS4953x\projects\pcm_mch_spp_hdmi_input_4953x3.cpa.
- For the DC4970x4, use the CS497xx ->DSPComposer menu option and open:
C:\CirrusDSP\CS4953x\projects\pcm_mch_spp_hdmi_input_4970x4.cpa.
2. Ensure that the cable is connected between HDMI Rx of the board and HDMI output of the player.
3. Play a 1 fs (44.1 kHz or 48 kHz) PCM track on the player. The user can choose to set the player to
always send PCM out through HDMI if you have a track/disc with compressed material.
4. Press “Go” in DSP Composer
5. The user will now hear audio through the powered speakers.
Note:
Click on File->Properties in DSPComposer and make sure the board connected field is set to
CDB49x
3.1.8 Running a Stereo Analog Input Application
The 4953x Evaluation System supports applications using Stereo Analog Input sources.
To play audio via Stereo Analog input, follow the configuration shown in Figure 3-1 .
1. Open the appropriate .cpa file
- For the DC4953x, use the CS4953x->DSPComposer menu option and open
C:\CirrusDSP\CS4953x\projects\pcm_app_analog_input_4953x4.cpa.
- For the DC4953x3, use the CS4953x->DSPComposer menu option and open
C:\CirrusDSP\CS4953x\projects\pcm_app_analog_input_4953x3.cpa.
- For the DC4970x4, use the CS497xx->DSPComposer menu option and open
C:\CirrusDSP\CS4953x\projects\pcm_app_analog_input_4970x4.cpa.
2. Connect a Stereo Analog Source to Analog Input Connectors on the board.
3. For the DC4953x only, play a 1 fs (44.1 kHz or 48 kHz) PCM track on the player. The user can choose
to set the player to always send PCM out through HDMI if you have a track/disc with compressed
material.
4. Press “Go” in DSP Composer
5. The user will now hear audio through the powered speakers.
Note:
Click on File->Properties in DSPComposer and make sure the board connected field is set to
CDB49x