Controller area network (bxCAN) RM0390
1070/1328 RM0390 Rev 4
Note: Refer to Figure 392: Filter bank scale configuration - register organization on page 1044.
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.
Note: Refer to Figure 392: Filter bank scale configuration - register organization on page 1044.
CAN filter FIFO assignment register (CAN_FFA1R)
Address offset: 0x214
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 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. FBM27 FBM26 FBM25 FBM24 FBM23 FBM22 FBM21 FBM20 FBM19 FBM18 FBM17 FBM16
rw rw rw rw rw rw rw rw rw rw rw rw
1514131211109876543210
FBM15 FBM14 FBM13 FBM12 FBM11 FBM10 FBM9 FBM8 FBM7 FBM6 FBM5 FBM4 FBM3 FBM2 FBM1 FBM0
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31: Reserved, must be kept at reset value.
Bits 27:0 FBMx
: 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.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. FSC27 FSC26 FSC25 FSC24 FSC23 FSC22 FSC21 FSC20 FSC19 FSC18 FSC17 FSC16
rw rw rw rw rw rw rw rw rw rw rw rw
1514131211109876543210
FSC15 FSC14 FSC13 FSC12 FSC11 FSC10 FSC9 FSC8 FSC7 FSC6 FSC5 FSC4 FSC3 FSC2 FSC1 FSC0
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:28 Reserved, must be kept at reset value.
Bits 27:0 FSCx
: Filter scale configuration
These bits define the scale configuration of Filters 27-0.
0: Dual 16-bit scale configuration
1: Single 32-bit scale configuration
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