[SI-LIST] Re: CAN Edge Rates
- From: "Martin.J Thompson" <Martin.J.Thompson@xxxxxxx>
- To: <chris.mcgrath@xxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Fri, 07 Jan 2005 11:10:01 +0000
>
>
>>>> "Chris McGrath" <chris.mcgrath@xxxxxxxx> 05 January 2005 21:50:20
>>>
>
>While CAN is hardly a "high speed" interface, we have a curiosity
which
>has prompted me to ask if anybody in this forum knows the edge rate
spec
>for physical layer CAN. I don't think that any standard defines this
>and our CAN transceiver vendor does not specify it in their data
sheet.
>
The Philips 82C250 says 14V/us slew rate with it's slew-rate-setting
resistor at 47k ohms. Does that help?
Are you doing high-speed or low-speed CAN?
There are very slow by SI standards, as they are designed to operate in
a very EMI-conservative environment.
Sorry not to be more help!
Cheers,
Martin
--
Martin Thompson CEng MIEE
TRW Conekt, Stratford Road, Solihull, B90 4GW. UK
+44 (0)121-627-3569 : martin.j.thompson@xxxxxxx
http://www.conekt.net/
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