Datasheet

TLE6251-2G
Diagnosis-Flags at NERR and RxD
Data Sheet 23 Rev. 1.1, 2011-06-06
8 Diagnosis-Flags at NERR and RxD
Table 3 Truth Table
NSTB EN INH Mode Event NERR RxD SPLIT
1 1 HIGH NORMAL No CAN bus failure
1)
1) Only valid after at least four recessive to dominant edges at TxD when entering the Normal Operation Mode.
1 LOW: bus
dominant,
HIGH: bus
recessive
ON
CAN bus failure
1)
0
Wake-up via CAN bus/no wake-
up request detected
1
Wake-up via pin WK
2)
2) Only valid before four recessive to dominant edges at TxD when entering the Normal Operation Mode.
0
1 0 HIGH RECEIVE
ONLY
No
V
S
fail detected
3)
3) Power - On flag only available, if V
CC
and V
IO
are active. Power - On flag will be cleared when entering Normal Operation
Mode.
1 LOW: bus
dominant,
HIGH: bus
recessive
ON
V
S
fail detected
3)
0
No TxD time-out,
Over - Temperature event,
RxD recessive clamping or
bus dominant time out
detected
4)
4) Valid after a transition from Normal Operation Mode.
1
TxD time-out,
Over - Temperature event,
RxD recessive clamping or
bus dominant time out
detected
4)
0
0 0 HIGH STAND BY Wake-up request detected
5)
5) Only valid if V
CC
and V
IO
are active.
00 OFF
No Wake up request detected
5)
11
0 0 Floating SLEEP Wake-up request detected
5)
00 OFF
No wake-up request detected
5)
11