Datasheet

SAM7X Series [DATASHEET]

6120K–ATARM–11-Feb-14

• MMI: Mailbox Message Ignored

0 = No message has been ignored during the previous transfer

1 = At least one message has been ignored during the previous transfer

Cleared by reading the CAN_MSRx register.

Mailbox Object Type Description

Receive

Set when at least two messages intended for the mailbox have been sent. The first one is available in the

mailbox data register. Others have been ignored. A mailbox with a lower priority may have accepted the

message.

Receive with overwrite

Set when at least two messages intended for the mailbox have been sent. The last one is available in the

mailbox data register. Previous ones have been lost.

Transmit Reserved

Consumer

A remote frame has been sent by the mailbox but several messages have been received. The first one is

available in the mailbox data register. Others have been ignored. Another mailbox with a lower priority may

have accepted the message.

Producer A remote frame has been received, but no data are available to be sent.