CAN Controller

M

mihau

Guest
Hi all,

I design CAN controller in VHDL, and I don't know how it should start
working after power on. In the spec is written that CAN node can begin
transmission only during bus IDLE which means after at least 3 recessive
bits of intermission. But 3 recessive bits can also occur during
transmission from other node, so it is possible to violate spec by my CAN
controller starting transmission during these. Could someone clear this?

Mihau
 
"mihau" <spam@gohere.com> wrote in message
news:cf027c$jlm$1@srv.cyf-kr.edu.pl...
Hi all,

I design CAN controller in VHDL, and I don't know how it should start
working after power on. In the spec is written that CAN node can begin
transmission only during bus IDLE which means after at least 3 recessive
bits of intermission. But 3 recessive bits can also occur during
transmission from other node, so it is possible to violate spec by my CAN
controller starting transmission during these. Could someone clear this?
Click to expand...
I will answer to myself :) Just wait for 11 recessive bits and you are in
bus idle.

Mihau
 
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