SPRUJ42E March 2022 – October 2024 AM2631 , AM2631-Q1 , AM2632 , AM2632-Q1 , AM2634 , AM2634-Q1
PRODUCTION DATA
Rx Buffer/FIFO Element Size Configuration register. Configure data field size for storage of accepted frames.
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Instance Name | Physical Address |
---|---|
MCAN0 | 5260 82BCh |
MCAN1 | 5261 82BCh |
MCAN2 | 5262 82BCh |
MCAN3 | 5263 82BCh |
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
NU58 | |||||||
R | |||||||
0h | |||||||
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
NU58 | |||||||
R | |||||||
0h | |||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
NU58 | RBDS | ||||||
R | R/W | ||||||
0h | 0h | ||||||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
NU57 | F1DS | NU56 | F0DS | ||||
R | R/W | R | R/W | ||||
0h | 0h | 0h | 0h |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
31:11 | NU58 | R | 0h | Reserved |
10:8 | RBDS | R/W | 0h | Rx Buffer data Field Size 3'b000 = 8 byte data field 3'b001 = 12 byte data field 3'b010 = 16 byte data field 3'b011 = 20 byte data field 3'b100 = 24 byte data field 3'b101 = 32 byte data field 3'b110 = 48 byte data field 3'b111 = 64 byte data field |
7 | NU57 | R | 0h | Reserved |
6:4 | F1DS | R/W | 0h | Rx FIFO 1 Data Field Size 3'b000 = 8 byte data field 3'b001 = 12 byte data field 3'b010 = 16 byte data field 3'b011 = 20 byte data field 3'b100 = 24 byte data field 3'b101 = 32 byte data field 3'b110 = 48 byte data field 3'b111 = 64 byte data field |
3 | NU56 | R | 0h | Reserved |
2:0 | F0DS | R/W | 0h | Rx FIFO 0 Data Field Size 3'b000 = 8 byte data field 3'b001 = 12 byte data field 3'b010 = 16 byte data field 3'b011 = 20 byte data field 3'b100 = 24 byte data field 3'b101 = 32 byte data field 3'b110 = 48 byte data field 3'b111 = 64 byte data field Note: In case the data field size of an accepted CAN frame exceeds the data field size configured for the matching Rx Buffer or Rx FIFO, only the number of bytes as configured by the MCAN_RXESC register are stored to the Rx Buffer respectively Rx FIFO element. The rest of the frame's data field is ignored. |