Rscan0Rfptrx - Receive Fifo Buffer Access Pointer Register (X = 0 To 7) - Renesas RZ/A Series User Manual

RZ/A1L Group, RZ/A1LU Group, RZ/A1LC Group
21.3.27 RSCAN0RFPTRx — Receive FIFO Buffer Access Pointer Register (x = 0 to 7)
Access: Can be read in 8-, 16-, and 32-bit units
Address: <RSCAN0_base> + 0E04
Initial value: 0000 0000
Bit 31 30 29
RFDLC[3:0]
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 21.41
Bit Position
31 to 28
27 to 16
15 to 0
RFDLC[3:0] Bits
These bits contain the data length of the message stored in the receive FIFO buffer.
RFPTR[11:0] Bits
These bits contain the label information of the message stored in the receive FIFO buffer.
RFTS[15:0] Bits
These bits contain the timestamp value 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
RSCAN0RFPTRx register contents
Bit Name Function
RFDLC[3:0] Receive FIFO Buffer DLC Data
b31 b30 b29 b28
RFPTR[11:0] Receive FIFO Buffer Label Data
Label information of the received message can be read.
RFTS[15:0] Receive FIFO Buffer Timestamp Data
Timestamp value of the received message can be read.
25 24 23 22
RFPTR[11:0]
0 0 0 0
R R R R
9 8 7 6
RFTS[15:0]
0 0 0 0
R R R R
0 0 0 0: 0 data bytes
0 0 0 1: 1 data byte
0 0 1 0: 2 data bytes
0 0 1 1: 3 data bytes
0 1 0 0: 4 data bytes
0 1 0 1: 5 data bytes
0 1 1 0: 6 data bytes
0 1 1 1: 7 data bytes
1 X X X: 8 data bytes
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
21-63