Datasheet

533
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
36.8.19 CAN Message Control Register
Name: CAN_MCRx
Access Type: Write-only
• MDLC: Mailbox Data Length Code
• MRTR: Mailbox Remote Transmission Request
Consumer situations can be handled automatically by setting the mailbox object type in Consumer. This requires only one
mailbox.
It can also be handled using two mailboxes, one in reception, the other in transmission. The MRTR and the MTCR bits must be
set in the same time.
31 30 29 28 27 26 25 24
––––––
––
23 22 21 20 19 18 17 16
MTCR MACR – MRTR MDLC
15 14 13 12 11 10 9 8
–
–
–
–
–
––
–
76543210
–
–
–
–
––
––
Mailbox Object Type Description
Receive No action.
Receive with overwrite No action.
Transmit Length of the mailbox message.
Consumer No action.
Producer
Length of the mailbox message to be sent after the remote frame
reception.
Mailbox Object Type Description
Receive No action
Receive with overwrite No action
Transmit Set the RTR bit in the sent frame
Consumer No action, the RTR bit in the sent frame is set automatically
Producer No action