M16C Datasheet, PDF (178/262 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Preliminary Specifications REV.B
Mitsubishi microcomputers
Specifications in this manual are tentative and subject to change.
M16C / 6N Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
CAN Module
CAN Status Register
CAN Status Register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
C0STR
C1STR
Address
0212₁₆
0232₁₆
Bit symbol
MBox
Bit3..Bit0
Bit name
Mailbox Number
TrmSucc
Transmission
Successful
RecSucc
Receive
Successful
TrmState
Transmitter
RecState
Receiver
When reset
00₁₆
00₁₆
Function
Number of the mailbox which transmitted/
received a message successfully
b3 b2 b1 b0
0 0 0 0 : Mailbox 0
0 0 0 1 : Mailbox 1
...
1 1 1 1 : Mailbox 15
0: No [successful] transmission
1: CAN module 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.
RW
O-
O-
O-
O-
O-
(b15)
(b8)
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
C0STR
C1STR
Address
0213₁₆
0233₁₆
When reset
01₁₆
01₁₆
Bit symbol
Bit name
Function
RW
Reset
Reset
Acknowledge Bit
0: Operation Mode
1: Reset
O-
LoopBack
Loop Back
Acknowledge
0: Normal Operation Mode
1: Loop Back Mode
O-
MsgOrder Message Order
0: The address order for the message objects is O -
adapted to word access.
1: The address order is byte linear (8 Bit access
only).
BasicCAN
BasicCAN Feature 0: Normal Operation Mode
1: BasicCAN feature (slot #14/15)
O-
BusError
Bus Error
0: No error occurred.
1: CAN Bus-Error occurred.
O-
ErrPass
CAN module is in 0: CAN module is not Error Passive and Bus Off. O -
Error Passive state 1: CAN module is Error Passive or Bus Off.
BusOff
CAN module is in 0: CAN module is not Bus Off.
Error BusOff state 1: CAN module is Bus Off.
O-
Nothing is assigned. It is not allowed to write ’1’ to this bit location.
When read, their contents are indeterminate.
--
Figure 18-16. Structure of CAN status register
178