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Buses of TMS320C5X

Specify different buses of the TMS320C5X and their functions?

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The C5X architecture generally has four buses and their functions are listed as below:

a) Program bus (PB):

It transfers the instruction code and the immediate operands from the program memory space to the CPU.

b) Program address bus (PAB):

It offers addresses to the program memory space for both the reads and writes operation.

c) Data read bus (DB):

It inter-connects the various elements of CPU to the data memory space.

d) Data read address bus (DAB):

It offers the address to access data memory space. 

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