Cirrus Logic CDB47xxx, User Manual

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4-3 Copyright 2012 Cirrus Logic, Inc. DS886DB9
Running the ADC In / DAC Out Example Application
CDB47xxx User’s Manual
Chip ID specifies the minimum Cirrus DSP chip that must be connected to the PC. The choices are
CS47024, CS47028, and CS47048 Software designed for a lower numbered chip runs on a higher
numbered chip.
4.2.2 Selecting / Changing Audio Input Sources
Configure the audio inputs to the DSP by dragging and dropping the Audio In block onto the workspace.
The dialog box shown in Figure 4-3 then appears. Choose from one of the supported input combinations
as described in the following sections. ADC is selected by default. The input configuration may be
changed later by right-clicking on the Audio In block and selecting Device Properties.
Figure 4-3. Selecting Audio In Source using Device Properties Dialog
Note:
All designs must include the Input Remap block. For details, see Section 4.2.3 “Input
Channel Remap” on page 4-6 .
Table 4-1. Chip ID and Audio Terminals
Chip ID Audio Input Terminals Audio Output Terminals
CS47024 2 (AIN_1a, b not supported) 4 (AOUT_5–AOUT_8 not supported)
CS47028 2 (AIN_1a, b not supported) 8
CS47048 4 8