Rscan0Rfidx - Receive Fifo Buffer Access Id Register (X = 0 To 7) - Renesas RZ/A Series User Manual

RZ/A1L Group, RZ/A1LU Group, RZ/A1LC Group
21.3.26 RSCAN0RFIDx — Receive FIFO Buffer Access ID Register (x = 0 to 7)
Access: Can be read in 8-, 16-, and 32-bit units
Address: <RSCAN0_base> + 0E00
Initial value: 0000 0000
Bit 31 30 29
RFIDE RFRTR —
Initial value 0 0 0
R/W R R R
Bit 15 14 13
0 0 0
Initial value
R/W R R R
Table 21.40
Bit Position
31
30
29
28 to 0
RFIDE Bit
This bit indicates the ID format (standard ID or extended ID) of the message stored in the receive FIFO
buffer.
RFRTR Bit
This bit indicates the frame format (data frame or remote frame) of the message stored in the receive
FIFO buffer.
RFID[28:0] Bits
These bits indicate the ID of the message stored in the receive FIFO buffer.
R01UH0437EJ0600 Rev.6.00
Jan 29, 2021
+ (x * 0010 )
H H
H
28 27 26
0 0 0
R R R
12 11 10
0 0 0
R R R
RSCAN0RFIDx register contents
Bit Name Function
RFIDE Receive FIFO Buffer IDE
RFRTR Receive FIFO Buffer RTR
Reserved This bit is always read as 0.
RFID[28:0] Receive FIFO Buffer ID Data
The standard ID or extended ID of received message can be read.
Read bits b10 to b0 for standard ID. Bits b28 to b11 are read as 0.
25 24 23 22
RFID[28:16]
0 0 0 0
R R R R
9 8 7 6
RFID[15:0]
0 0 0 0
R R R R
0: Standard ID
1: Extended ID
0: Data frame
1: Remote frame
21. CAN Interface
21 20 19 18
0 0 0 0
R R R R
5 4 3 2
0 0 0 0
R R R R
17 16
0 0
R R
1 0
0 0
R R
21-62