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Table 5-12. TxMessage_0:Ctrl Flags
BIT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OFFSET 0E
FIELD
/// /// /// /// /// /// /// /// /// /// /// /// /// ///
Tx Abort
TRX
Table 5-13. TxMessage_0 Register Definitions
Field Name Description
ID_28:ID_0
Message Identifier for Both Standard and Extended Messages
Standard messages use ID_28 .. ID_18
D_63:D_0
Message Data
Byte 1 is D_63, D_56; Byte 2 is D_55, D_48; and so on.
RTR
Remote Bit
IDE
Extended Identifier Bit
DLC_3:DLC_0
Data Length Code
Invalid values are transmitted as they are, but only in 8 data bytes.
TxAbort
Transmit Abort
Set this flag to request the removal of the pending message in Tx message buffer. This
occurs the next time when an arbitration loss occurred. The flag is cleared when the
message either was removed or won arbitration. The TRX flag is released at the same time.
TRX
Message Transmit Request
1 = starts a message-transmit request. Note: The Tx message buffer must not be changed
while TRX is ‘ 1’ ! When the whole message is successfully transmitted, TRX goes LOW.
0 = do not start a message-transmit request.