NEC UPD703116 User Manual page 585

(23) CAN1 error count register (C1ERC)
The C1ERC register indicates the count values of the transmission/reception error counters.
This register is read-only, in 16-bit units.
15 14 13 12
C1ERC REC7 REC6 REC5 REC4
Bit position Bit name
15 to 8 REC7 to
REC0
7 to 0 TEC7 to
TEC0
Note xxxx: CAN message buffer registers can be allocated to the xxxx addresses as programmable
peripheral I/O registers. Note, however, that the xxxx addresses cannot be changed after being
set.
m = 2, 6, A, E
CHAPTER 11 FCAN CONTROLLER
11 10 9 8 7 6
REC3 REC2 REC1 REC0 TEC7 TEC6
Indicates the reception error count.
0 to 255: The number of reception errors
This reflects the current status of the reception error counter.
The number of counts is defined by the CAN protocol.
Indicates the transmission error count.
0 to 255: The number of transmission errors
This reflects the current status of the transmission error counter.
The number of counts is defined by the CAN protocol.
User's Manual U14492EJ5V0UD
5 4 3 2 1 0
TEC5 TEC4 TEC3 TEC2 TEC1 TEC0
Function
Address Initial value
Note
xxxxmC56H 0000H
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