Cirrus-logic CDB48500-USB Manual do Utilizador descarregar pdf (Página 28)

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

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

4.2.4 Changing Serial Control Protocol (I

C or SPI)

The CDB48500 is designed to communicate using either I

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.

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Cirrus-logic CDB48500-USB Manual do Utilizador Página 28