Cann Error Count Register (Cnerc) - NEC Renesas V850/SC1 User Manual

19.5.22 CANn error count register (CnERC)

The CnERC register indicates the count values of the transmission/reception error counters.
This register is read-only in 16-bit units.
The C2ERC register is valid only in models µ PD703089Y and 70F3089Y.
After reset: 0000H
15
CnERC REC7
(n = 1, 2) 7
TEC7
REC7 to REC0
• This reflects the current status of the reception error counter.
• The count value is defined by the CAN protocol.
TEC7 to TEC0
• This reflects the current status of the transmission error counter.
• The number of counts is defined by the CAN protocol.
CHAPTER 19 FCAN CONTROLLER (V850/SC3)
R Addresses: C1ERC: xx3FFC56H
14 13
REC6 REC5
6 5
TEC6 TEC5
0 to 255 Number of reception error counts
0 to 255 Number of transmission error counts
User's Manual U15109EJ3V0UD
C2ERC: xx3FFC96H
12 11 10
REC4 REC3 REC2
4 3 2
TEC4 TEC3 TEC2
Reception error counter
Transmission error counter
9 8
REC1 REC0
1 0
TEC1 TEC0
617