
100
AT89C51CC03
4182O–CAN–09/08
Data and Remote Frame
Description of the different steps for:
Data Frame
Remote Frame, With Automatic Reply,
Remote Frame
u u
u
0
1
x
0 0
u u
u
E
N
C
H
R
T
R
P
LV
T
X
O
K
R
X
O
K
0
1
x
0 0
c u
c
u
0
x
1 0
u c
c
u
0
x
0 1
DA
TA
FR
AM
E
Node A
Node B
E
N
C
H
R
T
R
P
LV
T
X
O
K
R
X
O
K
message object in reception
message object disabled
message object in
message object disabled
transmission
u u
u
1
x
0 0
c u
u
c
0
1
x
1 0
u c
c
u
0
x
0 1
REM
OTE
FRA
ME
DA
TA
FR
AM
E
u u
u
1
0 0
u u
u
c
0
1
0
0 0
c u
c
u
0
1 0
E
N
C
H
R
T
R
P
LV
T
X
O
K
R
X
O
K
E
N
C
H
R
T
R
P
LV
T
X
O
K
R
X
O
K
(im
me
dia
te)
message object in reception
message object in transmission
message object disabled
message object in
reception by CAN
by CAN controller
transmission
controller
message object disabled
u u
u
1
x
0 0
u u
u
E
N
C
H
R
T
R
P
LV
T
X
O
K
R
X
O
K
1
0
0 0
c u
u
c
0
1
x
1 0
u c
c
u
1
0
0 1
RE
MO
TE
FR
AM
E
E
N
C
H
R
T
R
P
LV
T
X
O
K
R
X
O
K
u u
u
0
1
x
0 0
c u
c
u
0
x
1 0
u c
c
u
c
0
x
0 1
DA
TA
FR
AM
E
(de
fer
red
)
u : modified by user
i
c : modified by CAN
i
message object in reception
message object in transmission by user
message object disabled
message object in
message object disabled
reception by user
transmission