User's Manual

Rev.1.10 Jul 01, 2005 page 211 of 318
REJ09B0124-0110
M16C/6N Group (M16C/6NK, M16C/6NM) 18. CAN Module
Under development
This document is under development and its contents are subject to change.
Figure 18.10 C0CONR and C1CONR Registers
b7 b6 b5 b4 b3 b2 b1 b0
0 : One time sampling
1 : Three times sampling
0 0 0 0 : Divide-by-1 of fCAN
0 0 0 1 : Divide-by-2 of fCAN
0 0 1 0 : Divide-by-3 of fCAN
1 1 1 0 : Divide-by-15 of fCAN
1 1 1 1 : Divide-by-16 of fCAN
(1)
.....
0 0 0 : 1Tq
0 0 1 : 2Tq
0 1 0 : 2Tq
1 1 0 : 7Tq
1 1 1 : 8Tq
(b15) (b8)
b7 b6 b5 b4 b3 b2 b1 b0
RW
RW
RW
RW
Phase Buffer
Segment 1
Control Bits
Phase Buffer
Segment 2
Control Bits
Resynchronization
Jump Width
Control Bits
.....
CANi Configuration Register (i = 0, 1)
b3 b2 b1 b0
b7 b6 b5
b2 b1b0
b5 b4 b3
b7 b6
NOTE:
1. fCAN serves for the CAN clock. The period is decided by configuration of the CCLKi bit (i = 0 to 2, 4 to 6) in the CCLKR register.
Sampling Control
Bit
Prescaler Division
Ratio Select Bits
Propagation Time
Segment Control
Bits
RW
RW
RW
.....
.....
0 0 0 : Do not set a value
0 0 1 : 2Tq
0 1 0 : 3Tq
1 1 0 : 7Tq
1 1 1 : 8Tq
0 0 0 : Do not set a value
0 0 1 : 2Tq
0 1 0 : 3Tq
1 1 0 : 7Tq
1 1 1 : 8Tq
0 0 : 1Tq
0 1 : 2Tq
1 0 : 3Tq
1 1 : 4Tq
BRP
SAM
PTS
PBS1
PBS2
SJW
C0CONR
C1CONR
Indeterminate
Indeterminate
021Ah
023Ah
Symbol
Address After Reset
C0CONR
C1CONR
Indeterminate
Indeterminate
021Bh
023Bh
Symbol
Address After Reset
RWFunctionBit Symbol Bit Name
FunctionBit Symbol Bit Name