Re: CAN bit timing, Seg2 =1Tq

Got it,
Thanks,

ab

‫בתאריך שבת, 16 ביולי 2016 ב-15:05 מאת ‪Bram Kerkhof‬‏ <‪[email protected]
‬‏>:‬

> The first thing I usually do in these kinds of situation is rethink
> whether I am:
>
> A)      Using the right technology
>
> B)      Using the technology right
>
>
>
> The big advantages of CAN for me are that it is cheap, simple and reliable
> as long as you keep away from the bleeding edge (it’s called ‘bleeding’ for
> a reason ;-).
>
> When pushing the limits like this, you’ll end up with a system that’s
> either cheap and simple or reliable, which is probably not what you want.
>
>
>
> Keep in mind that impedance is everything at this point, and that you
> don’t only have to consider the backbone cable, but also all the
> connections in between. What works for 35m between two nodes, may not work
> over the same distance with multiple nodes on the bus.
>
>
>
> Do you really need 1 mbits? Chances are you can simply drop down to
> 500kbits without too much work.
>
> If throughput is an issue, consider splitting the network with a gateway.
> If timing determinability is an issue, consider a time-sensitive protocol
> implementation (like TTCAN) and a lower bandwidth.
>
>
>
> Or use something else entirely.
>
>
>
> Cheers,
>
> Bram
>
>
>
> *From:* [email protected] [mailto:[email protected]] *On
> Behalf Of *Amitai Broyde
> *Sent:* vrijdag 15 juli 2016 9:30
> *To:* [email protected]
> *Subject:* [CANLIST] CAN bit timing, Seg2 =1Tq
>
>
>
> Hi,
>
> I am using 1Mbps CAN network based on Cores running at 8MHz. I would like
> to extend the bus length by setting sampling point 125ns before end of bit
> time. Current bit sampling time is 250ns before end of bit time.
>
> Will it work?
>
>
>
> Regards,
>
> ab
>