User Manual

6
.
Figure 4-7. Codec DAC Properties
This Audio Out dialog allows the user to set the following parameters for the CS42448 DACs:
• Audio Data Format -1
2
S or Left-Justified 24-bit
• Output Sampling Frequency Range - Select the Fs range where 1FS = 32 kHz, 44.1 kHz, or 48 kHz, 2Fs =
64 kHz, 88.2 kHz, 96 kHz, etc.
• Select CODEC/DAC as SCLK and LRCLK Master device.
• S/PDIF Enable-Checking this box configures DAO3 for S/PDIF instead of I
2
S.
4.2.4 Changing Serial Control Protocol (I
2
C or SPI)
The CDB48500 is designed to communicate using either I
2
C or SPI protocols. In order to change the
communication mode in DSP Composer go to the menu bar and select File
 Properties, which brings up the
Project Properties dialog shown in Fig. 4-8. The Board Comm Mode pull-down menu allows the user to select
the serial protocol mode.
The “Advanced..” button of the Project Properties dialog is currently not active.