Rscan0Cfdf1K - Transmit/Receive Fifo Buffer Access Data Field 1 Register (K = 0 To 5) - Renesas RZ/A Series User Manual

RZ/A1L Group, RZ/A1LU Group, RZ/A1LC Group
21.3.36 RSCAN0CFDF1k — Transmit/receive FIFO buffer Access Data Field 1 Register
(k = 0 to 5)
Access: Can be read/written in 8-, 16-, and 32-bit units
Address: <RSCAN0_base> + 0E8C
Initial value: 0000 0000
Bit 31 30 29
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 21.50
Bit Position
b31 to b24
b23 to b16
b15 to b8
b7 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
the CFDLC[3:0] value in the RSCAN0CFPTRk register is smaller than 1000
data is set are read as 00
(gateway mode).
R01UH0437EJ0600 Rev.6.00
Jan 29, 2021
+ (k * 0010 )
H H
H
28 27 26
CFDB7[7:0]
0 0 0
R/W R/W R/W
12 11 10
CFDB5[7:0]
0 0 0
R/W R/W R/W
RSCAN0CFDF1k register contents
Bit Name Function
CFDB7[7:0] Transmit/Receive FIFO Buffer Data Byte 7
Transmit/Receive FIFO Buffer Data Byte 6
CFDB6[7:0]
Transmit/Receive FIFO Buffer Data Byte 5
CFDB5[7:0] Transmit/Receive FIFO Buffer Data Byte 4
• When CFM[1:0] value is 01
CFDB4[7:0]
• When CFM[1:0] value is 00
. This register should not be read or written when the CFM[1:0] value is 10
H
25 24 23 22
0 0 0 0
R/W R/W R/W R/W
9 8 7 6
0 0 0 0
R/W R/W R/W R/W
B
Set the transmit/receive FIFO buffer data.
B
The message data stored in the transmit/receive FIFO buffer can be read.
21. CAN Interface
21 20 19 18
CFDB6[7:0]
0 0 0 0
R/W R/W R/W R/W
5 4 3 2
CFDB4[7:0]
0 0 0 0
R/W R/W R/W R/W
(transmit mode):
(receive mode):
(receive mode). When
B
, data bytes for which no
B
17 16
0 0
R/W R/W
1 0
0 0
R/W R/W
B
B
21-80