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CTU CAN FD IP Core
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canbus
CTU CAN FD IP Core
Commits
51cafcd4
Commit
51cafcd4
authored
Jan 18, 2020
by
Ille, Ondrej, Ing.
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doc: Describe behaviour of COMMAND[ERCRST].
parent
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doc/core/Progdokum.lyx
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51cafcd4
...
...
@@ -2150,8 +2150,9 @@ name "fig:CTU-CAN-FD-operating-modes"
\
begin_layout
Standard
When
CTU
CAN
FD
is
error
active
,
it
takes
part
in
CAN
bus
communication
.
If
CTU
CAN
FD
becomes
error
passive
and
later
bus
-
off
,
it
stops
any
communicati
on
on
CAN
bus
and
waits
before
starting
Reintegration
until
it
receives
Error
counter
reset
command
(
writing
logic
1
to
COMMAND
[
ERCRST
]).
on
on
CAN
bus
(
error
frame
which
caused
transition
to
bus
off
is
still
transmitt
ed
)
and
waits
before
starting
Reintegration
until
it
receives
Error
counter
reset
command
(
writing
logic
1
to
COMMAND
[
ERCRST
]).
Upon
this
command
,
CTU
CAN
FD
starts
Reintegration
.
Reintegration
lasts
until
CTU
CAN
FD
detects
128
sequences
of
11
consecutive
recessive
bits
.
...
...
@@ -2181,6 +2182,24 @@ noprefix "false"
).
\
end_layout
\
begin_layout
Description
Note
COMMAND
[
ERCRST
]
is
\
begin_inset
Quotes
eld
\
end_inset
sticky
\
begin_inset
Quotes
erd
\
end_inset
.
This
means
that
if
CTU
CAN
FD
is
not
yet
bus
off
and
this
command
is
issued
,
it
will
be
remembered
by
CTU
CAN
FD
and
it
will
automatically
start
reintegrati
on
upon
nearest
transition
to
bus
-
off
.
This
gives
an
advantage
that
command
can
be
issued
in
advance
during
communicat
ion
and
CTU
CAN
FD
will
re
-
integrate
as
quickly
as
possible
after
becoming
bus
off
.
\
end_layout
\
begin_layout
Section
CAN
bus
configuration
\
begin_inset
CommandInset
label
...
...
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