Cirrus Logic CK4970x4 - Manual (Page 35)

4-1 Copyright 2012 Cirrus Logic, Inc. DS898CK7
Programming the DSP on the CK49x Evaluation Board
CK49x User’s Manual
Chapter 4
Programming the DSP on the CK49x Evaluation Board
4.1 Introduction
With the exception of the power selection jumpers, the CK49x is configured exclusively through software.
The DSP Composer
™ software is a graphical user interface (GUI) that is used to program the CK49x
DSP, and to configure the CK49x. This chapter provides basic instruction for using the GUI to control the
CK49x. Detailed information on using the DSP Composer can be found in the DSP Composer
™
User’s
Manual
. Your local Cirrus Logic representative can assist you in obtaining both the DSP Composer
software and the User’s Manual for the software.
4.2 Basic Application Download and System Configuration - PCM
Pass-through
Follow the instructions in Section 3.1.5 "Running a Stereo PCM Application on CK49x" on page 3-6 .
4.2.1 System Block
In DSP Composer, when you drag the System block onto the work space, a pop-up menu is displayed, as
illustrated in Figure 4-1 and Figure 4-2 . This menu offers the option of selecting the Chip ID that you need
to evaluate, the Firmware version and the PCM input mode from the pull-down menu.
.
Figure 4-1. System Properties Showing CS495304 as the Chip ID