ST72561AR7-Auto datasheet(252/324 Pages) STMICROELECTRONICS

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beCAN controller (beCAN)

ST72561-Auto

252/324

Doc ID 12370 Rev 8

Bit 4 = FACT3 Filter Active

The software sets this bit to activate filter 3. To modify the filter 3 registers (CF3R[0:7]) the

FACT3 bit must be cleared.

0: filter 3 is not active

1: filter 3 is active

Bit 3 = reserved. Forced to 0 by hardware.

Bits 2:1 = FSC2[1:0] Filter Scale Configuration

These bits define the scale configuration of Filter 2.

Bit 0 = FACT2 Filter Active

The software sets this bit to activate filter 2. To modify the filter 2 registers (CF2R[0:7]), the

FACT2 bit must be cleared.

0: filter 2 is not active

1: filter 2 is active

CAN filter configuration register 2(CFCR2)

Read/ write

Reset value: 0000 0000 (00h)

Note: All bits of this register are set and cleared by software.

Bit 7 = Reserved. Forced to 0 by hardware.

Bits 6:5 = FSC5[1:0] Filter Scale Configuration

These bits define the scale configuration of filter 5.

Bit 4 = FACT5 Filter Active

The software sets this bit to activate filter 5. To modify the filter 5 registers (CF5R[0:7]) the

FACT5 bit must be cleared.

0: filter 5 is not active

1: filter 5 is active

Bit 3 = Reserved. Forced to 0 by hardware.

Bits 2:1 = FSC4[1:0] Filter Scale Configuration

These bits define the scale configuration of filter 4.

Bit 0 = FACT4 Filter Active

The software sets this bit to activate filter 4. To modify the filter 4 registers (CF4R[0:7]), the

FACT4 bit must be cleared.

0: filter 4 is not active

1: filter 4 is active

FSC51

FSC50

FACT5

FSC41

FSC40

FACT4

ST72561AR7-Auto Datasheet(PDF) 252 Page - STMicroelectronics

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