ST STM32F413 Reference Manual page 1089

RM0430
CAN filter mode register (CAN_FM1R)
Address offset: 0x204
Reset value: 0x0000 0000
This register can be written only when the filter initialization mode is set (FINIT=1) in the
CAN_FMR register.
31 30 29
Res. Res. Res. Res.
15 14 13
FBM15 FBM14 FBM13 FBM12 FBM11 FBM10
rw rw rw
Note: Refer to
Bits 31:28 Reserved, must be kept at reset value.
Bits 27:0 FBMx
Note: Bits 27:14 are available for dual CAN peripheral configuration and are reserved for
CAN filter scale register (CAN_FS1R)
Address offset: 0x20C
Reset value: 0x0000 0000
This register can be written only when the filter initialization mode is set (FINIT=1) in the
CAN_FMR register.
31 30 29
Res. Res. Res. Res.
15 14 13
FSC15 FSC14 FSC13 FSC12
rw rw rw
Bits 31:28 Reserved, must be kept at reset value.
Bits 27:0 FSCx
These bits define the scale configuration of Filters 27-0.
0: Dual 16-bit scale configuration
1: Single 32-bit scale configuration
Note: Bits 27:14 are available for dual CAN peripheral configuration and are reserved for
Note: Refer to
28 27 26 25
FBM27 FBM26 FBM25 FBM24 FBM23 FBM22 FBM21 FBM20 FBM19 FBM18 FBM17 FBM16
rw rw rw
12 11 10 9
FBM9
rw rw rw rw
Figure 372: Filter bank scale configuration - register organization on page 1063
:
Filter mode
Mode of the registers of Filter x.
0: Two 32-bit registers of filter bank x are in Identifier Mask mode.
1: Two 32-bit registers of filter bank x are in Identifier List mode.
single CAN peripheral configuration.
28 27 26 25
FSC27 FSC26 FSC25 FSC24 FSC23 FSC22 FSC21 FSC20 FSC19 FSC18 FSC17 FSC16
rw rw rw
12 11 10 9
FSC11 FSC10 FSC9
rw rw rw rw
:
Filter scale configuration
single CAN peripheral configuration.
Figure 372: Filter bank scale configuration - register organization on page
24 23 22
rw rw rw
8 7 6
FBM8 FBM7 FBM6
rw rw rw
24 23 22
rw rw rw
8 7 6
FSC8 FSC7 FSC6
rw rw rw
DocID029473 Rev 3
Controller area network (bxCAN)
21 20 19 18
rw rw rw rw
5 4 3 2
FBM5 FBM4 FBM3 FBM2
rw rw rw rw
21 20 19 18
rw rw rw rw
5 4 3 2
FSC5 FSC4 FSC3 FSC2
rw rw rw rw
17 16
rw rw
1 0
FBM1 FBM0
rw rw
17 16
rw rw
1 0
FSC1 FSC0
rw rw
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