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12 ASYNCHRONOUS SAMPLE
RATE CONVERTER
The asynchronous sample rate converter (SRC) block is used to perform
synchronous or asynchronous sample rate conversion across independent
stereo channels, without using any internal processor resources. Further-
more, the SRC is used to clean up audio data from jittery clock sources
such as the S/PDIF receiver. The SRC specifications are listed in
Table
12-1.
Table 12-1. SRC Specifications
Feature
Connectivity
Multiplexed Pinout
SRU DAI Required
SRU DAI Default Routing
SRU2 DPI Required
SRU2 DPI Default Routing
Interrupt Control
Protocol
Master Capable
Slave Capable
Transmission Simplex
Transmission Half Duplex
Transmission Full Duplex
ADSP-214xx SHARC Processor Hardware Reference
www.BDTIC.com/ADI
Availability
No
Yes
No
No
N/A
Yes
No
Yes
Yes
No
No
12-1
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