Register 14: CAN IF1 Mask 2 (CANIF1MSK2), offset 0x02C
Register 15: CAN IF2 Mask 2 (CANIF2MSK2), offset 0x08C
This register holds extended mask information that accompanies the CANIFnMSK1 register.
CAN IF1 Mask 2 (CANIF1MSK2)
CAN0 base: 0x4004.0000
CAN1 base: 0x4004.1000
CAN2 base: 0x4004.2000
Offset 0x02C
Type R/W, reset 0x0000.FFFF
16171819202122232425262728293031
reserved
ROROROROROROROROROROROROROROROROType
0000000000000000Reset
0123456789101112131415
MSK
reserved
MDIRMXTD
R/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WROR/WR/WType
1111111100000111Reset
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
Mask Extended Identifier
0: The extended identifier bit (XTD in the CANIFnARB2 register) has
no effect on the acceptance filtering.
1: The extended identifier bit XTD is used for acceptance filtering.
0x1R/WMXTD15
Mask Message Direction
0: The message direction bit (DIR in the CANIFnARB2 register) has
no effect for acceptance filtering.
1: The message direction bit DIR is used for acceptance filtering.
0x1R/WMDIR14
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.
0x1ROreserved13
Identifier Mask
When using a 29-bit identifier, these bits are used for bits [28:16] of the
ID. The MSK field in the CANIFnMSK1 register are used for bits [15:0]
of the ID. When using an 11-bit identifier, MSK[12:2] are used for bits
[10:0] of the ID.
0: The corresponding identifier field (ID) in the message object cannot
inhibit the match in acceptance filtering.
1: The corresponding identifier field (ID) is used for acceptance filtering.
0xFFR/WMSK12:0
401June 22, 2010
Texas Instruments-Production Data
Stellaris® LM3S8530 Microcontroller