Datasheet

UM10398 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved.
User manual Rev. 12.3 — 10 June 2014 297 of 547
NXP Semiconductors
UM10398
Chapter 16: LPC111x/LPC11Cxx C_CAN controller
16.6.2.4.1 CAN message interface mask 1 registers
16.6.2.4.2 CAN message interface mask 2 registers
Table 258. CAN message interface mask 1 registers (CANIF1_MSK1, address 0x4005 0028
and CANIF2_MASK1, address 0x4005 0088) bit description
Bit Symbol Value Description Reset
value
Access
15:0 MSK15_0 Identifier mask [15:0] 0xFFFF R/W
0 Match. The corresponding bit in the identifier of
the message cannot inhibit the match in the
acceptance filtering.
1 Mask. The corresponding identifier bit is used
for acceptance filtering.
31:16 - - Reserved 0 -
Table 259. CAN message interface mask 2 registers (CANIF1_MSK2, address 0x4005 002C
and CANIF2_MASK2, address 0x4005 008C) bit description
Bit Symbol Value Description Reset
value
Access
12:0 MSK28_16 Identifier mask [28:16] 0xFFF R/W
0 Match. The corresponding bit in the identifier of
the message cannot inhibit the match in the
acceptance filtering.
1 Mask. The corresponding identifier bit is used for
acceptance filtering.
13 - Reserved 1 -
14 MDIR Mask message direction 1 R/W
0 Without DIR bit. The message direction bit (DIR)
has no effect on acceptance filtering.
1 With DIR bit. The message direction bit (DIR) is
used for acceptance filtering.
15 MXTD Mask extend identifier 1 R/W
0 Without XTD. The extended identifier bit (XTD)
has no effect on acceptance filtering.
1 With XTD. The extended identifier bit (XTD) is
used for acceptance filtering.
31:16 - - Reserved 0 -