Controller area network (bxCAN) RM0008
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21.6.4 CAN filter registers
CAN filter master register (CAN_FMR)
Address offset: 0x200
Reset value: 0x2A1C 0E01
Note: All bits of this register are set and cleared by software.
CAN filter mode register (CAN_FM1R)
Address offset: 0x204
Reset value: 0x00
Note: This register can be written only when the filter initialization mode is set (FINIT=1) in the
CAN_FMR register.
Note: Please refer to Figure 199: Filter bank scale configuration - register organization on
page 510
Bits 23:16 DATA6[7:0]: Data Byte 6
Data byte 2 of the message.
Bits 15:8 DATA5[7:0]: Data Byte 5
Data byte 1 of the message.
Bits 7:0 DATA4[7:0]: Data Byte 4
Data byte 0 of the message.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Reserved
1514131211109876543210
Reserved FINIT
Res. rw
Bits 31:1 Reserved, forced to reset value
Bit 0 FINIT: Filter Init Mode
Initialization mode for filter banks
0: Active filters mode.
1: Initialization mode for the filters.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Reserved
1514131211109876543210
Reserved FBM13 FBM12 FBM11 FBM10 FBM9 FBM8 FBM7 FBM6 FBM5 FBM4 FBM3 FBM2 FBM1 FBM0
Res. rw rw rw rw rw rw rw rw rw rw rw rw rw rw
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