LM3S2965-IRN50-A1T ETC2 [List of Unclassifed Manufacturers], LM3S2965-IRN50-A1T Datasheet - Page 449
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LM3S2965-IRN50-A1T
Manufacturer Part Number
LM3S2965-IRN50-A1T
Description
Microcontroller
Manufacturer
ETC2 [List of Unclassifed Manufacturers]
Datasheet
1.LM3S2965-IRN50-A1T.pdf
(574 pages)
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CAN Message 1 Interrupt Pending (CANMSG1INT)
CAN0 base: 0x4004.0000
CAN1 base: 0x4004.1000
Offset 0x140
Type RO, reset 0x0000.0000
November 30, 2007
Reset
Reset
Type
Type
Bit/Field
31:16
15:0
RO
RO
31
15
0
0
Register 34: CAN Message 1 Interrupt Pending (CANMSG1INT), offset 0x140
Register 35: CAN Message 2 Interrupt Pending (CANMSG2INT), offset 0x144
The CANMSG1INT and CANMSG2INT registers hold the IntPnd bits of the 32 message objects.
By reading these bits, the CPU can check which message object has an interrupt pending. The
IntPnd bit of a specific message object can be changed through two sources: (1) the CPU via the
CAN IFn Message Control (CANIFnMCTL) register, or (2) the message handler state machine
after the reception or transmission of a frame.
This field is also encoded in the CAN Interrupt (CANINT) register.
The CANMSG1INT register contains the IntPnd bit of the first 16 message objects in the message
RAM; the CANMSG2INT register contains the IntPnd bit of the second 16 message objects.
RO
RO
30
14
0
0
reserved
IntPnd
Name
RO
RO
29
13
0
0
RO
RO
28
12
0
0
RO
RO
Type
27
11
0
0
RO
RO
RO
RO
26
10
0
0
0x0000
Reset
0x00
RO
RO
25
0
9
0
Preliminary
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.
Interrupt Pending Bits
(of all message objects)
0: This message object is not the source of an interrupt.
1: This message object is the source of an interrupt.
RO
RO
24
0
8
0
reserved
IntPnd
RO
RO
23
0
7
0
RO
RO
22
0
6
0
RO
RO
21
0
5
0
RO
RO
20
0
4
0
LM3S2965 Microcontroller
RO
RO
19
0
3
0
RO
RO
18
0
2
0
RO
RO
17
0
1
0
RO
RO
16
0
0
0
449
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