NEC V850E/Dx3 Preliminary User's Manual page 689

CAN Controller (CAN)
After reset: 0000H R
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(9) CnERC - CANn module error counter register
The CnERC register indicates the count value of the transmission/reception
error counter.
Address: CnERC <CnRBaseAddr> + 054H
15 14
CnERC REPS REC6
7 6
TEC7 TEC6
REPS
0
1
REC6 to
REC0
0 to 127
Note The REC6 to REC0 bits of the reception error counter are invalid in the
reception error passive status (CnINFO.RECS1, CnINFO.RECS0 bit = 11B).
TEC7 to
TEC0
0 to 255
Note The TEC7 to TEC0 bits of the transmission error counter are invalid in the bus-
off status (CnINFO.BOFF bit = 1).
Preliminary User's Manual U17566EE1V2UM00
13 12 11
REC5 REC4 REC3
5 4 3
TEC5 TEC4 TEC3
Reception error passive status bit
The value of the reception error counter is not error passive (< 128)
The value of the reception error counter is in the error passive range
(≥ 128)
Reception error counter bit
Number of reception errors. These bits reflect the status of the
reception error counter. The number of errors is defined by the CAN
protocol.
Transmission error counter bit
Number of transmission errors. These bits reflect the status of
the transmission error counter. The number of errors is
defined by the CAN protocol.
Chapter 19
10 9 8
REC2 REC1 REC0
2 1 0
TEC2 TEC1 TEC0
689