Datasheet

Register 18: CAN IF1 Arbitration 2 (CANIF1ARB2), offset 0x034
Register 19: CAN IF2 Arbitration 2 (CANIF2ARB2), offset 0x094
These registers hold information for acceptance filtering.
CAN IFn Arbitration 2 (CANIFnARB2)
CAN0 base: 0x4004.0000
CAN1 base: 0x4004.1000
Offset 0x034
Type RW, reset 0x0000.0000
16171819202122232425262728293031
reserved
ROROROROROROROROROROROROROROROROType
0000000000000000Reset
0123456789101112131415
IDDIRXTDMSGVAL
RWRWRWRWRWRWRWRWRWRWRWRWRWRWRWRWType
0000000000000000Reset
DescriptionResetTypeNameBit/Field
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
0x0000ROreserved31:16
Message Valid
DescriptionValue
The message object is ignored by the message handler.0
The message object is configured and ready to be
considered by the message handler within the CAN
controller.
1
All unused message objects should have this bit cleared during
initialization and before clearing the INIT bit in the CANCTL register.
The MSGVAL bit must also be cleared before any of the following bits
are modified or if the message object is no longer required: the ID fields
in the CANIFnARBn registers, the XTD and DIR bits in the CANIFnARB2
register, or the DLC field in the CANIFnMCTL register.
0RWMSGVAL15
Extended Identifier
DescriptionValue
An 11-bit Standard Identifier is used for this message
object.
0
A 29-bit Extended Identifier is used for this message
object.
1
0RWXTD14
1521June 18, 2014
Texas Instruments-Production Data
Tiva
TM4C129ENCPDT Microcontroller