Rscan0Cfptrk - Transmit/Receive Fifo Buffer Access Pointer Register (K = 0 To 5) - Renesas RZ/A Series User Manual

RZ/A1L Group, RZ/A1LU Group, RZ/A1LC Group
21.3.34 RSCAN0CFPTRk — Transmit/receive FIFO buffer Access Pointer Register
(k = 0 to 5)
Access: Can be read/written in 8-, 16-, and 32-bit units
Address: <RSCAN0_base> + 0E84
Initial value: 0000 0000
Bit 31 30 29
CFDLC[3:0]
Initial value 0 0 0
R/W R/W R/W R/W
Bit 15 14 13
0 0 0
Initial value
R/W R/W R/W R/W
Table 21.48
Bit Position
b31 to b28
b27 to b16
b15 to b0
This register is writable only when the CFM[1:0] value in the RSCAN0CFCCk register is 01
(transmit mode). This register is readable only when the CFM[1:0] value is 00
register should not be read or written when the CFM[1:0] value is 10
R01UH0437EJ0600 Rev.6.00
Jan 29, 2021
+ (k * 0010 )
H H
H
28 27 26
0 0 0
R/W R/W R/W
12 11 10
0 0 0
R/W R/W R/W
RSCAN0CFPTRk register contents
Bit Name Function
CFDLC[3:0] Transmit/Receive FIFO Buffer DLC Data
b31 b30 b29 b28
CFPTR[11:0] Transmit/Receive FIFO Buffer Label Data
• When CFM[1:0] value is 01
• When CFM[1:0] value is 00
CFTS[15:0] Transmit/Receive FIFO Buffer Timestamp Data
These bits are valid only when the CFM[1:0] value is B'00 (receive mode).
The timestamp value of the received message can be read.
25 24 23 22
CFPTR[11:0]
0 0 0 0
R/W R/W R/W R/W
9 8 7 6
CFTS[15:0]
0 0 0 0
R/W R/W R/W R/W
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
Set the label information to be stored in the transmit history buffer.
Only bits CFPTR[7:0] are valid.
The label information of the received message can be read.
21 20 19 18
0 0 0 0
R/W R/W R/W R/W
5 4 3 2
0 0 0 0
R/W R/W R/W R/W
(transmit mode):
B
(receive mode):
B
(receive mode). This
B
(gateway mode).
B
21. CAN Interface
17 16
0 0
R/W R/W
1 0
0 0
R/W R/W
B
21-77