Rscan0Rfccx - Receive Fifo Buffer Configuration And Control Register (X = 0 To 7) - Renesas RZ/A Series User Manual

RZ/A1L Group, RZ/A1LU Group, RZ/A1LC Group
21.3.23 RSCAN0RFCCx — Receive FIFO Buffer Configuration and Control Register
(x = 0 to 7)
Access: Can be read/written in 8-, 16-, and 32-bit units
Address: <RSCAN0_base> + 00B8
Initial value: 0000 0000
Bit 31 30 29
— — —
Initial value 0 0 0
R/W R R R
Bit 15 14 13
RFIGCV[2:0]
0 0 0
Initial value
R/W R/W R/W R/W
Table 21.37
Bit Position
31 to 16
15 to 13
12
11
10 to 8
7 to 2
1
0
R01UH0437EJ0600 Rev.6.00
Jan 29, 2021
+ (x * 0004 )
H H
H
28 27 26
— — —
0 0 0
R R R
12 11 10
RFIM — RFDC[2:0]
0 0 0
R/W R R/W
RSCAN0RFCCx register contents
Bit Name Function
Reserved These bits are always read as 0. The write value should always be 0.
RFIGCV[2:0] Receive FIFO Interrupt Request Timing Select
b15 b14 b13
RFIM Receive FIFO Interrupt Source Select
Reserved This bit is always read as 0. The write value should always be 0.
RFDC[2:0] Receive FIFO Buffer Depth Configuration
b10 b9 b8
Reserved These bits are always read as 0. The write value should always be 0.
RFIE Receive FIFO Interrupt Enable
RFE Receive FIFO Buffer Enable
25 24 23 22
— — — —
0 0 0 0
R R R R
9 8 7 6
— —
0 0 0 0
R/W R/W R R
0 0 0: When FIFO is 1/8 full.
0 0 1: When FIFO is 2/8 full.
0 1 0: When FIFO is 3/8 full.
0 1 1: When FIFO is 4/8 full.
1 0 0: When FIFO is 5/8 full.
1 0 1: When FIFO is 6/8 full.
1 1 0: When FIFO is 7/8 full.
1 1 1: When FIFO is full.
0: An interrupt occurs when the condition set by the RFIGCV[2:0] bits is met.
1: An interrupt occurs each time a message has been received.
0 0 0: 0 messages
0 0 1: 4 messages
0 1 0: 8 messages
0 1 1: 16 messages
1 0 0: 32 messages
1 0 1: 48 messages
1 1 0: 64 messages
1 1 1: 128 messages
0: Receive FIFO interrupt is disabled.
1: Receive FIFO interrupt is enabled.
0: No receive FIFO buffer is used.
1: Receive FIFO buffers are used.
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
RFIE RFE
0 0
R/W R/W
21-57