MCAN_GFC

MCAN Global Filter Configuration

Global settings for Message ID filtering. The Global Filter Configuration controls the filter path for standard and extended messages as illustrated in Standard Message ID Filter Path and Extended Message ID Filter Path.

This register can only be written if the bits CCE and INIT are set in MCAN CC Control Register.

  0x80 32 Read/Write 0x00000000  

MCAN Global Filter Configuration

Bit  31 30 29 28 27 26 25 24  
                   
Access                   
Reset                   
Bit  23 22 21 20 19 18 17 16  
                   
Access                   
Reset                   
Bit  15 14 13 12 11 10 9 8  
                   
Access                   
Reset                   
Bit  7 6 5 4 3 2 1 0  
      ANFS[1:0] ANFE[1:0] RRFS RRFE  
Access      R/W R/W R/W R/W R/W R/W  
Reset      0 0 0 0 0 0  

Bit 0 – RRFE: Reject Remote Frames Extended

Reject Remote Frames Extended

0 (FILTER): Filter remote frames with 29-bit extended IDs.

1 (REJECT): Reject all remote frames with 29-bit extended IDs.

Bit 1 – RRFS: Reject Remote Frames Standard

Reject Remote Frames Standard

0 (FILTER): Filter remote frames with 11-bit standard IDs.

1 (REJECT): Reject all remote frames with 11-bit standard IDs.

Bits 3:2 – ANFE[1:0]: Accept Non-matching Frames Extended

Accept Non-matching Frames Extended

Defines how received messages with 29-bit IDs that do not match any element of the filter list are treated.

ValueNameDescription
0 RX_FIFO_0

Accept in Rx FIFO 0

1 RX_FIFO_1

Accept in Rx FIFO 1

2-3 REJECTED

Message rejected

Bits 5:4 – ANFS[1:0]: Accept Non-matching Frames Standard

Accept Non-matching Frames Standard

Defines how received messages with 11-bit IDs that do not match any element of the filter list are treated.

ValueNameDescription
0 RX_FIFO_0

Accept in Rx FIFO 0

1 RX_FIFO_1

Accept in Rx FIFO 1

2-3 REJECTED

Message rejected