UM0306 Controller area network (bxCAN)
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CAN filter mode register (CAN_FM0R)
Address Offset: 204h
Reset Value: 00h
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 126: Filter bank scale configuration - register organization on
page 292
CAN filter scale register (CAN_FS0R)
Address Offset: 20Ch
Reset Value: 00h
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 126: Filter bank scale configuration - register organization on
page 292
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
rw rw rw rw rw rw rw rw rw rw rw rw rw rw
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
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
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