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Altera_Forum
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14 years ago

custom instruction multicycle: question on signal clk_en

Hello, i have a multicycle custom instruction which need to receive a data from its conduit port (the signal is imported from an other processor). i want to know if this custom instruction can ...
Altera_Forum's avatar
Altera_Forum
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14 years ago

Anything on the 'result' port is (or at least should be!) ignored except during the final clock cycle of the instruction.

There is nothing to stop you latching the data and using it when the instruction is being executed - but that latch might, more properly, be considered as path of the external logic the custom interface in connected to.