66.6.25 MCAN Receive FIFO 0 Configuration

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

Name: MCAN_RXF0C
Offset: 0xA0
Reset: 0x00000000
Property: Read/Write

Bit 3130292827262524 
 F0OMF0WM[6:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 2322212019181716 
  F0S[6:0] 
Access R/WR/WR/WR/WR/WR/WR/W 
Reset 0000000 
Bit 15141312111098 
 F0SA[13:6] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 76543210 
 F0SA[5:0]   
Access R/WR/WR/WR/WR/WR/W 
Reset 000000 

Bit 31 – F0OM 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.

Bits 30:24 – F0WM[6:0] 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.

Bits 22:16 – F0S[6:0] 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 15:2 – F0SA[13:0] 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.