Table 5-12. txmessage_0:ctrl flags, Table 5-13. txmessage_0 register definitions – Lantronix DSTni-EX User Manual

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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.

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