MCAN_RXF0C

MCAN Receive FIFO 0 Configuration

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

  0xA0 32 Read/Write 0x00000000  

MCAN Receive FIFO 0 Configuration

Bit  31 30 29 28 27 26 25 24  
  F0OM F0WM[6:0]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  
Bit  23 22 21 20 19 18 17 16  
    F0S[6:0]  
Access    R/W R/W R/W R/W R/W R/W R/W  
Reset    0 0 0 0 0 0 0  
Bit  15 14 13 12 11 10 9 8  
  F0SA[13:6]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  
Bit  7 6 5 4 3 2 1 0  
  F0SA[5:0]      
Access  R/W R/W R/W R/W R/W R/W      
Reset  0 0 0 0 0 0      

Bits 15:2 – F0SA[13:0]: Receive FIFO 0 Start Address

Receive FIFO 0 Start Address

Start address of Receive FIFO 0 in Message RAM (32-bit word address, see Message RAM Configuration).

Write F0SA with the bits [15:2] of the 32-bit address.

Bits 22:16 – F0S[6:0]: Receive FIFO 0 Size

Receive FIFO 0 Size

The Receive FIFO 0 elements are indexed from 0 to F0S-1.

ValueDescription
0

No Receive FIFO 0

1-64

Number of Receive FIFO 0 elements.

>64

Values greater than 64 are interpreted as 64.

Bits 30:24 – F0WM[6:0]: Receive FIFO 0 Watermark

Receive FIFO 0 Watermark

ValueDescription
0

Watermark interrupt disabled.

1-64

Level for Receive FIFO 0 watermark interrupt (MCAN_IR.RF0W).

>64

Watermark interrupt disabled.

Bit 31 – F0OM: FIFO 0 Operation Mode

FIFO 0 Operation Mode

FIFO 0 can be operated in Blocking or in Overwrite mode (see Rx FIFOs).

ValueDescription
0

FIFO 0 Blocking mode.

1

FIFO 0 Overwrite mode.