Petter Urkedal wrote:
On 2007-09-15, Farhan Mohamed Ali wrote:
I have read a little about bit-serial multipliers, but i'm still not
perfectly clear about it. I'm having some trouble visualizing the
dataflow. Do you have any good references for your design?
Unfortunately, I don't have anything other than the already quoted
http://www.andraka.com/multipli.htm, where the second entry has the
basic circuit layout. But, this has probably been described decades
ago, I just didn't look much since I though it was more fun to treat the
serial-multiplier problem as an exercise. (I now also have a version
widened to process two bits at a time.)
As you have probably seen from the "Sample VGA code..." thread, it seems
we don't need a multiplier at all in the nanocontroller. Understanding
multipliers may become more relevant in preparing the graphics pipeline
for ASIC.
Oops, didn't notice that. Could have saved me some sleep over the past
week! I'll look for something else to work on then. For the ASIC, seems
unlikely to me that we will have to resort to using sequential
multipliers, unless we are really die size constrained.
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