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ABU mode in C55x?

Started by ahma...@yahoo.com July 7, 2008
Dear

Does C55x support ABU mode like C54x? If yes what is the related document

from TI? If no, how can I convert my application working on C54x to

application for C55x?
What is the differencies between ABU mode and using DMA auto

initialization for autobuffering of MCBSP's data?
In my application I have three I/O devices which provide speech data

streams for my software application. I use these devices through McBSP

but because the sampling rate of this devices is low (8KHz) and I should

process a 540 samples block of each one the waiting state for each one is

long and the processing time for each one is also long. How can I exempt

the receive and transmit time for I/O data?

Regards