CONTROLLER AREA NETWORK (bxCAN)
CONTROLLER AREA NETWORK (Cont’d)
CAN FILTER MODE REG.1 (CFMR1)
Bit 1 = FMH4 Filter Mode High
Mode of the high registers of filter 4.
0: High registers are in mask mode.
1: High registers are in identifier list mode.
All bits of this register are set and cleared by soft-
ware.
Read / Write
Reset Value: 0000 0000 (00h)
Bit 0 = FML4 Filter Mode Low
7
0
Mode of the low registers of filter 4.
0: Low registers are in mask mode.
1: Low registers are in identifier list mode.
FMH7 FML7 FMH6 FML6 FMH5 FML5 FMH4 FML4
Note: Please refer to Figure 149.Filter Bank Scale
Configuration - Register Organisation
CAN FILTER MODE REG.0 (CFMR0)
All bits of this register are set and cleared by soft-
ware.
Bit 7 = FMH7 Filter Mode High
Read / Write
Mode of the high registers of Filter 7.
0: High registers are in mask mode.
1: High registers are in identifier list mode.
Reset Value: 0000 0000 (00h)
7
0
FMH3 FML3 FMH2 FML2 FMH1 FML1 FMH0 FML0
Bit 6 = FML7 Filter Mode Low
Mode of the low registers of Filter 7.
0: Low registers are in mask mode
1: Low registers are in identifier list mode
Bit 7 = FMH3 Filter Mode High
Mode of the high registers of Filter 3.
0: High registers are in mask mode
1: High registers are in identifier list mode
Bit 5 = FMH6 Filter Mode High
Mode of the high registers of Filter 6.
0: High registers are in mask mode
1: High registers are in identifier list mode
Bit 6 = FML3 Filter Mode Low
Mode of the low registers of Filter 3.
0: Low registers are in mask mode
1: Low registers are in identifier list mode
Bit 4 = FML6 Filter Mode Low
Mode of the low registers of Filter 6.
0: Low registers are in mask mode
1: Low registers are in identifier list mode
Bit 5 = FMH2 Filter Mode High
Mode of the high registers of Filter 2.
0: High registers are in mask mode
1: High registers are in identifier list mode
Bit 3 = FMH5 Filter Mode High
Mode of the high registers of filter 5.
0: High registers are in mask mode
1: High registers are in identifier list mode
Bit 4 = FML2 Filter Mode Low
Mode of the low registers of Filter 2.
0: Low registers are in mask mode
1: Low registers are in identifier list mode
Bit 2 = FML5 Filter Mode Low
Mode of the low registers of Filter 5.
0: Low registers are in mask mode
1: Low registers are in identifier list mode.
Bit 3 = FMH1 Filter Mode High
Mode of the high registers of Filter 1.
0: High registers are in mask mode
1: High registers are in identifier list mode
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STMICROELECTRONICS [ ST ]
