ST92F124 datasheet(355/429 Pages) STMICROELECTRONICS

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CONTROLLER AREA NETWORK (bxCAN)

CONTROLLER AREA NETWORK (Cont’d)

CAN FILTER MODE REG.1 (CFMR1)

All bits of this register are set and cleared by soft-

ware.

Read / Write

Reset Value: 0000 0000 (00h)

Note: Please refer to Figure 149.Filter Bank Scale

Configuration - Register Organisation

Bit 7 = FMH7 Filter Mode High

Mode of the high registers of Filter 7.

0: High registers are in mask mode.

1: High registers are in identifier list mode.

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 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 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 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 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 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.

Bit 0 = FML4 Filter Mode Low

Mode of the low registers of filter 4.

0: Low registers are in mask mode.

1: Low registers are in identifier list mode.

CAN FILTER MODE REG.0 (CFMR0)

All bits of this register are set and cleared by soft-

ware.

Read / Write

Reset Value: 0000 0000 (00h)

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 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 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 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 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

FMH7

FML7

FMH6

FML6

FMH5

FML5

FMH4

FML4

FMH3

FML3

FMH2

FML2

FMH1

FML1

FMH0

FML0

ST92F124 Datasheet(PDF) 355 Page - STMicroelectronics

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