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Altera_Forum
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13 years ago

Q (number format) Multiply

I'm working on a project that uses a 32-bit accumulator, which it's input is a 32-bit step size (unsigned Q30.2) value. The accumulator can rollover when preforming a large number of iterations or w...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

PS. No, you dont need to shift step_size, because its really just an integer with an implied 2^-2 offset. This means the output is Q62.2