Datasheet

39.8.28 Rx FIFO 0 Status
Name: RXF0S
Offset: 0xA4
Reset: 0x00000000
Property: Read-only
Bit 31 30 29 28 27 26 25 24
RF0L F0F
Access
R R
Reset 0 0
Bit 23 22 21 20 19 18 17 16
F0PI[5:0]
Access
R R R R R R
Reset 0 0 0 0 0 0
Bit 15 14 13 12 11 10 9 8
F0GI[5:0]
Access
R R R R R R
Reset 0 0 0 0 0 0
Bit 7 6 5 4 3 2 1 0
F0FL[6:0]
Access
R R R R R R R
Reset 0 0 0 0 0 0 0
Bit 25 – RF0L Rx FIFO 0 Message Lost
This bit is a copy of interrupt flag IR.RF0L. When IR.RF0L is reset, this bit is also reset.
Overwriting the oldest message when RXF0C.F0OM = ‘1’ will not set this flag.
Value Description
0
No Rx FIFO 0 message lost.
1
Rx FIFO 0 message lost, also set after write attempt to Rx FIFO 0 of size zero.
Bit 24 – F0F Rx FIFO 0 Full
Value Description
0
Rx FIFO 0 not full.
1
Rx FIFO 0 full.
Bits 21:16 – F0PI[5:0] Rx FIFO 0 Put Index
Rx FIFO 0 write index pointer, range 0 to 63.
Bits 13:8 – F0GI[5:0] Rx FIFO 0 Get Index
Rx FIFO 0 read index pointer, range 0 to 63.
Bits 6:0 – F0FL[6:0] Rx FIFO 0 Fill Level
Number of elements stored in Rx FIFO 0, range 0 to 64.
SAM D5x/E5x Family Data Sheet
CAN - Control Area Network
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 1277