SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 1211

• Manufacturer Part Number: SAM3X8E
• Manufacturer: Atmel Corporation

40.7.2.3
Table 40-5.
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
Mailbox Object Type
Producer
Transmit
Transmit Mailbox
When transmitting a message, the message length and data are written to the transmit mailbox
with the correct identifier. For each transmit mailbox, a priority is assigned. The controller auto-
matically sends the message with the highest priority first (set with the field PRIOR in
CAN_MMRx register).
It is also possible to configure a mailbox in Producer Mode. In this mode, when a remote frame
is received, the mailbox data are sent automatically. By enabling this mode, a producer can be
done using only one mailbox instead of two: one to detect the remote frame and one to send the
answer.
Description
The message stored in the mailbox data registers will try to win the bus arbitration immediately
or later according to or not the Time Management Unit configuration (see
The application is notified that the message has been sent or aborted.
The message prepared in the mailbox data registers will be sent after receiving the next remote
frame. This extends transmit mailbox features.
Section
SAM3X/A
SAM3X/A
40.7.3).
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