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UM10503
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User manual
Rev. 2.1 — 10 December 2015
1252 of 1441
NXP Semiconductors
UM10503
Chapter 45: LPC43xx/LPC43Sxx C_CAN
45.6.2.4.2
CAN message interface command mask 2 registers
Table 1053.CAN message interface command mask 2 registers (IF1_MSK2, address
0x400E 202C (C_CAN0) and 0x400A 402C (C_CAN1)) bit description
Bit
Symbol
Value Description
Reset
value
Access
12:0
MSK28_16
Identifier mask
0 = The corresponding bit in the identifier of the
message can not inhibit the match in the
acceptance filtering.
1 = The corresponding identifier bit is used for
acceptance filtering.
0xFFF
R/W
13
-
Reserved
1
-
14
MDIR
Mask message direction
1
R/W
0
The message direction bit (DIR) has no effect on
acceptance filtering.
1
The message direction bit (DIR) is used for
acceptance filtering.
15
MXTD
Mask extend identifier
1
R/W
0
The extended identifier bit (IDE) has no effect on
acceptance filtering.
1
The extended identifier bit (IDE) is used for
acceptance filtering.
31:16
-
-
Reserved
0
-
Table 1054.CAN message interface command mask 2 registers (IF2_MSK2, 0x400E 208C
(C_CAN0) and 0x400A 408C (C_CAN1)) bit description
Bit
Symbol
Value Description
Reset
value
Access
12:0
MSK28_16
Identifier mask
0 = The corresponding bit in the identifier of the
message can not inhibit the match in the
acceptance filtering.
1 = The corresponding identifier bit is used for
acceptance filtering.
0xFFF
R/W
13
-
Reserved
1
-
14
MDIR
Mask message direction
1
R/W
0
The message direction bit (DIR) has no effect on
acceptance filtering.
1
The message direction bit (DIR) is used for
acceptance filtering.
15
MXTD
Mask extend identifier
1
R/W
0
The extended identifier bit (IDE) has no effect on
acceptance filtering.
1
The extended identifier bit (IDE) is used for
acceptance filtering.
31:16
-
-
Reserved
0
-