Renesas M16C/60 Series Hardware Manual page 224

Under development
This document is under development and its contents are subject to change.
M16C/6N5 Group
C0STR Register
Figure 1.19.9 shows the C0STR register.
CAN0 status register (Note)
b7 b6 b5 b4 b3
Note: This register can not be set in CAN reset/initialization mode of the CAN module.
(b15)
b7 b6 b5 b4 b3
Figure 1.19.9 C0STR Register
Rev.1.00 2003.05.30 page 210
b2 b1 b0
Symbol
C0STR
Bit symbol
MBOX Active slot bits
TrmSucc Successful
transmission flag
RecSucc Successful
reception flag
TrmState Transmission flag
(Transmitter)
RecState
Reception flag
(Receiver)
(b8)
b2 b1 b0
Symbol
C0STR
Bit symbol
State_Reset Reset state flag
State_ Loop back state flag
LoopBack
State_ Message order
MsgOrder state flag
State_ Basic CAN mode
BasicCAN state flag
State_ Bus error
BusError state flag
State_ Error passive
ErrPass state flag
State_ Error bus off
BusOff state flag
Nothing is assigned. When write, set to "0".
-
When read, its content is indeterminate.
(b7)
Address
After reset
0212 00
16 16
Bit name
b3 b2 b1 b0
0 0 0 0 : Slot 0
0 0 0 1 : Slot 1
0 0 1 0 : Slot 2
. .
.
1 1 1 0 : Slot 14
1 1 1 1 : Slot 15
0: No [successful] transmission
1: The CAN module has transmitted a message
successfully.
0: No [successful] reception
1: CAN module received a message successfully.
0: CAN module is idle or receiver.
1: CAN module is transmitter.
0: CAN module is idle or transmitter.
1: CAN module is receiver.
Address
After reset
0213 X0000001
16 2
Bit name
0: Operation mode
1: Reset mode
0: Normal operation mode
1: Loop back mode
0:Word access
1: Byte access
0: Normal operation mode
1: Basic CAN mode
0: No error has occurred.
1: A CAN bus error has occurred.
0: The CAN module is not in
1: The CAN module is in error passive state.
0: The CAN module is not in
1: The CAN module is in error bus off state.
CAN Module
Function
RW
RO
RO
RO
RO
RO
Function
RW
RO
RO
RO
RO
RO
error passive state.
RO
error bus off state.
RO
-