LM3S8933 Luminary Micro, Inc, LM3S8933 Datasheet - Page 450

• Manufacturer Part Number: LM3S8933
• Description: Lm3s8933 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Reset
Reset
Type
Type
Controller Area Network (CAN) Module
CAN IF1 Message Control (CANIF1MCTL)
CAN0 base: 0x4004.0000
Offset 0x038
Type R/W, reset 0x0000.0000
450
Bit/Field
31:16
NewDat
15
14
13
12
R/W
RO
31
15
0
0
MsgLst
R/W
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.
RO
30
14
0
0
IntPnd
R/W
reserved
RO
NewDat
29
13
MsgLst
UMask
0
0
IntPnd
Name
UMask
R/W
RO
28
12
0
0
TxIE
R/W
RO
27
11
0
0
Type
R/W
R/W
R/W
R/W
RO
RxIE
R/W
RO
26
10
0
0
0x0000
Reset
RmtEn
R/W
0x0
0x0
0x0
0x0
RO
25
0
9
0
Preliminary
TxRqst
R/W
RO
24
0
8
0
Description
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.
New Data
0: 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.
1: The message handler or the CPU has written new data into the data
portion of this message object.
Message Lost
0 : No message was lost since the last time this bit was reset by the
CPU.
1: The message handler stored a new message into this object when
NewDat was set; the CPU has lost a message.
This bit is only valid for message objects with the Dir bit in the
CANIFnARB2 register set to 0 (receive).
Interrupt Pending
0: This message object is not the source of an interrupt.
1: This message object is the source of an interrupt. The interrupt
identifier in the CAN Interrupt (CANINT) register will point to this
message object if there is not another interrupt source with a higher
priority.
Use Acceptance Mask
0: Mask ignored.
1: Use mask (Msk, MXtd, and MDir) for acceptance filtering.
reserved
EoB
R/W
RO
23
0
7
0
RO
RO
22
0
6
0
reserved
RO
RO
21
0
5
0
RO
RO
20
0
4
0
R/W
RO
19
0
3
0
R/W
RO
18
0
2
0
DLC
July 25, 2008
R/W
RO
17
0
1
0
R/W
RO
16
0
0
0