Renesas 16-bit single-chip microcomputer Manual De Usuario

Rev.1.02    Jul 01, 2005    page 209 of 314
REJ09B0126-0102

M16C/6N Group (M16C/6NL, M16C/6NN)

18. CAN Module

This document is under development and its contents are subject to change.

Reception error counting function
The value is incremented or decremented 
according to the CAN module’s error status.

00h to FFh 

(1)

CAN0 Receive Error Count Register

b7

            b0

Function

Counter Value

NOTE:

1. The value is indeterminate in bus off state.

RW

RO

C0RECR

00h

021Ch

Symbol

Address

After Reset

Transmission error counting function
The value is incremented or decremented 
according to the CAN module’s error status.

00h to FFh

CAN0 Transmit Error Count Register

b7

            b0

Function

Counter Value

RW

RO

C0TECR

00h

021Dh

Symbol

Address

After Reset

Time stamp function

0000h to FFFFh

Function

Counter Value

RW

RO

C0TSR

0000h

021Fh, 021Eh

Symbol

Address

After Reset

(b15)

(b8)

b7

b0 b7

b0

CAN0 Time Stamp Register

(b15)

b7

(b8)

b0 b7

b0

CAN0 Acceptance Filter Support Register

Write the content equivalent to the standard frame
ID of the received message.
The value is "converted standard frame ID" when 
read.

Standard frame ID

Function

Setting Values

RW

RW

C0AFS

Indeterminate

0243h, 0242h

Symbol

Address

After Reset