Register 20: CAN IF1 Message Control (CANIF1MCTL), offset 0x038
Register 21: CAN IF2 Message Control (CANIF2MCTL), offset 0x098
This register holds the control information associated with the message object to be sent to the
Message RAM.
CAN IFn Message Control (CANIFnMCTL)
CAN0 base: 0x4004.0000
CAN1 base: 0x4004.1000
Offset 0x038
Type RW, reset 0x0000.0000
16171819202122232425262728293031
reserved
ROROROROROROROROROROROROROROROROType
0000000000000000Reset
0123456789101112131415
DLCreservedEOBTXRQSTRMTENRXIETXIEUMASKINTPNDMSGLSTNEWDAT
RWRWRWRWRORORORWRWRWRWRWRWRWRWRWType
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
New Data
DescriptionValue
No new data has been written into the data portion of this
message object by the message handler since the last time
this flag was cleared by the CPU.
0
The message handler or the CPU has written new data into
the data portion of this message object.
1
0RWNEWDAT15
Message Lost
DescriptionValue
No message was lost since the last time this bit was
cleared by the CPU.
0
The message handler stored a new message into this
object when NEWDAT was set; the CPU has lost a message.
1
This bit is only valid for message objects when the DIR bit in the
CANIFnARB2 register is clear (receive).
0RWMSGLST14
Interrupt Pending
DescriptionValue
This message object is not the source of an interrupt.0
This message object is the source of an interrupt. The
interrupt identifier in the CANINT register points to this
message object if there is not another interrupt source with
a higher priority.
1
0RWINTPND13
1399June 18, 2014
Texas Instruments-Production Data
Tiva
™
TM4C1294NCPDT Microcontroller
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