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13
D
Bit Name
12-15
MSN
(Message slot number)
(1) BOS (Bus Off Status) bit (D1)
When BOS bit = 1, it means that the CAN module is in a bus-off state.
[Set condition]
This bit is set to 1 when the transmit error counter value exceeded 255 and a bus-off state
is entered.
[Clear condition]
This bit is cleared when restored from the bus-off state.
(2) EPS (Error Passive Status) bit (D2)
When EPS bit = 1, it means that the CAN module is in an error passive state.
[Set condition]
This bit is set to 1 when the transmit or receive error counter value exceeded 127 and an
error passive state is entered.
[Clear condition]
This bit is cleared when restored from the error passive state.
13.2 CAN Module Related Registers
Function
Number of message slot which has finished sending or receiving
0000 : Slot0
0001 : Slot1
0010 : Slot2
0011 : Slot3
0100 : Slot4
0101 : Slot5
0110 : Slot6
0111 : Slot7
1000 : Slot8
1001 : Slot9
1010 : Slot10
1011 : Slot11
1100 : Slot12
1101 : Slot13
1110 : Slot14
1111 : Slot15
13-12
CAN MODULE
R
W
–
Ver.0.10
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