ST STM32F205 series Reference Manual page 831

RM0033
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
Reserved
15 14 13
FBM15 FBM14 FBM13 FBM12 FBM11 FBM10
rw rw rw
Note: Refer to
Bits 31:28
Bits 27:0 FBMx
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
Reserved
15 14 13
FSC15 FSC14 FSC13 FSC12
rw rw rw
Bits 31:28 Reserved, must be kept at reset value.
Bits 27:0 FSCx
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 305.
Reserved, must be kept at reset value.
:
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.
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
These bits define the scale configuration of Filters 13-0.
0: Dual 16-bit scale configuration
1: Single 32-bit scale configuration
Figure 305.
24 23 22
rw rw rw
8 7 6
FBM8 FBM7 FBM6 FBM5
rw rw rw
24 23 22
rw rw rw
8 7 6
FSC8 FSC7 FSC6 FSC5
rw rw rw
RM0033 Rev 8
Controller area network (bxCAN)
21 20 19 18
rw rw rw rw
5 4 3 2
FBM4 FBM3 FBM2
rw rw rw rw
21 20 19 18
rw rw rw rw
5 4 3 2
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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