IF1 Arbitration 2 Register
| ID_16_28 | Message Identifier 28-16 ID28 - ID0, 29-bit Identifier (“Extended Frame”). ID28 - ID18, 11-bit Identifier (“Standard Frame”) |
| Dir | Message Direction 1 = Direction is transmit On TxRqst, the respective Message Object is transmitted as a Data Frame. On reception of a Remote Frame with matching identifier, the TxRqst bit of this Message Object is set (if RmtEn = one). 0 = Direction is receive On TxRqst, a Remote Frame with the identifier of this Message Object is transmitted. On reception of a Data Frame with matching identifier, that message is stored in this Message Object. |
| Xtd | Extended Identifier 1 = The 29-bit (“extended”) Identifier will be used for this Message Object. 0 = The 11-bit (“standard”) Identifier will be used for this Message Object. |
| MsgVal | Message Valid 1 = The Message Object is configured and should be considered by the Message Handler. 0 = The Message Object is ignored by the Message Handler. Note: The application software must reset the MsgVal bit of all unused Messages Objects during the initialization before it resets bit Init in the CAN Control Register. This bit must also be reset before the identifier Id28-0, the control bits Xtd, Dir, or the Data Length Code DLC3-0 are modified, or if the Messages Object is no longer required. |