The performance tag has no wiki summary.
17
votes
2answers
815 views
How do microcontrollers achieve > 1 MIPS/MHz performance?
Like this one, which does 1.49 DMIPS/MHz. Even with pipelining there's still only 1 execute stage per cycle isn't it?
13
votes
8answers
713 views
Microcontroller/cpu for fast trigonometry in robot?
This concerns hardware that does weighs little, because a (fat cat sized, 6 legs with 3 DOF) walking robot should carry it around. Because of that walking it'll need to do a lot of trigonometry (using ...
7
votes
2answers
1k views
How does a Cortex M0 perform compared to 8-bit controllers?
This document cites 60 DMIPS/mW for a Cortex M0, vs 31 DMIPS/mW for an M3. (The latter doesn't agree with the numbers in this document, which cite 1.25 DMIPS/MHz and 0.19 mW/MHz, giving 6.6 DMIPS/mW.)
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5
votes
3answers
5k views
Arduino: faster alternatives to digitalread() and digitalwrite()?
What are the fastest alternatives to calling the Arduino functions digitalread() and digitalwrite()? AVR-specific or ...
4
votes
1answer
700 views
Does using only NAND/NOR gates increase circuit delay?
I remember learning in school that one can construct any logical circuit from solely NAND or NOR gates.
First of all, I am ...
2
votes
3answers
1k views
Improving throughput of a Bluetooth Low Energy Connection
Follow-Up question from Stackoverflow
I am trying to write a characteristic value repeatedly over a short amount of time. Different sources tell that rates between 200 and 305 kbit / s should be ...
1
vote
1answer
347 views
Simulating Multiple Feedback Low Pass filter using LTSPICE
I am trying to simulate the follwoing circuit in LTSpice IV. What I am looking for is overall performance in frequency domain.
I downloaded and readed a lot of LTSpice guides, but none of them were ...
