RM0008 Controller area network (bxCAN)
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CAN filter scale register (CAN_FS1R)
Address offset: 0x20C
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
CAN filter FIFO assignment register (CAN_FFA1R)
Address offset: 0x214
Reset value: 0x00
Note: This register can be written only when the filter initialization mode is set (FINIT=1) in the
CAN_FMR register.
Bits 31:14 Reserved. Forced to 0 by hardware.
Bits 13:0 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
Reserved
1514131211109876543210
Reserved FSC13 FSC12 FSC11 FSC10 FSC9 FSC8 FSC7 FSC6 FSC5 FSC4 FSC3 FSC2 FSC1 FSC0
Res. rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:14 Reserved, forced by hardware to 0.
Bits 13:0 FSCx: 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
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Reserved
1514131211109876543210
Reserved FFA13 FFA12 FFA11 FFA10 FFA9 FFA8 FFA7 FFA6 FFA5 FFA4 FFA3 FFA2 FFA1 FFA0
Res. rw rw rw rw rw rw rw rw rw rw rw rw rw rw
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