ADSP-21368 SHARC Processor Hardware Reference 4-3
Digital Audio/Digital Peripheral Interfaces
This virtual connectivity design offers a number of distinct advantages:
• Flexibility
• Increased numbers and kinds of configurations
• Connections can be made through software—no hard wiring is
required
L
Inputs may only be connected to outputs.
DAI/DPI System Design
Figure 4-1 and Figure 4-2 show how the DAI pin buffers are connected
through SRU1 and Figure 4-3 and Figure 4-4 show how the DPI pin
buffers are connected through SRU2. The SRUs allow for very flexible
data routing. In its design, the DAI/DPI makes use of several types of data
from the sources, shown in Table 4-1.
For a sample of a DAI system configuration, refer to “Using the SRU()
Macro to Configure the DAI” on page 4-76.
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