Mitsubishi Electric M32R Series User Manual page 649

13
D Bit Name
5 ML
(Message slot)
6 TRSTAT
(Transmit/receive status)
7 TRFIN
(Transmit/receive complete)
W = : Only writing a 0 is effective; when you write a 1, the previous value is retained.
(1) TR (Transmit Request) bit (D0)
To use the message slot as a transmit slot, set this bit to 1. To use the message slot as a data
frame or remote frame receive slot, set this bit to 0.
(2) RR (Receive Request) bit (D1)
To use the message slot as a receive slot, set this bit to 1. To use the message slot as a data
frame or remote frame transmit slot, set this bit to 0.
If both TR (Transmit Request) and RR (Receive Request) bits are set to 1, device operation is
indeterminate.
13.2 CAN Module Related Registers
Function
0: Message-lost not occurred
1: Message-lost occurred
For transmit slots
0: Transmission idle
1: Transmit request accepted
For receive slots
0: Reception idle
1: Storing received data
For transmit slots
0: Not transmitted yet
1: Finished transmitting
For receive slots
0: Not received yet
1: Finished receiving
13-35
CAN MODULE
R W
–
Ver.0.10