IOF access
[Pipeline details]

A few details

The IO File is accessed during stages s5 or/and s6.
As presented here, the IO File can do more than byte-oriented read-write operations. It can also do bit processing.
The following data is provided to the IOF, for each pipeline stage in which IOF access is required:

• byte address
• bit address
• opcode
• byte data in

Accessing the IOF

Main pipeline registers that implement IOF accessing instructions are presented here:

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