Users Manual

R01UH0823EJ0110 Rev.1.10 Page 1236 of 1852
Nov 30, 2020
RX23W Group 36. CAN Module (RSCAN)
36.2.39 Receive FIFO Access Register mBL (RFTSm) (m = 0, 1)
This register can be read when the GRWCR.RPAGE bit is 1.
RFTS[15:0] Bits (Receive FIFO Buffer Timestamp Data)
These bits indicate the timestamp value of the message stored in the receive FIFO buffer.
36.2.40 Receive FIFO Access Register mBH (RFPTRm) (m = 0, 1)
x: Don’t care
This register can be read when the GRWCR.RPAGE bit is 1.
RFPTR[11:0] Bits (Receive FIFO Buffer Label Data)
These bits indicate the label information of the message stored in the receive FIFO buffer.
RFDLC[3:0] Bits (Receive FIFO Buffer DLC Data)
These bits indicate the data length of the message stored in the receive FIFO buffer.
Address(es): RSCAN.RFTS0 000A 85A4h, RSCAN.RFTS1 000A 85B4h
b15b14b13b12b11b10b9b8b7b6b5b4b3b2b1b0
RFTS[15:0]
Value after reset:
0000000000000000
Bit Symbol Bit Name Description R/W
b15 to b0 RFTS[15:0] Receive FIFO Buffer Timestamp
Data
Timestamp value of the received message can be read. R
Address(es): RSCAN.RFPTR0 000A 85A6h, RSCAN.RFPTR1 000A 85B6h
b15b14b13b12b11b10b9b8b7b6b5b4b3b2b1b0
RFDLC[3:0] RFPTR[11:0]
Value after reset:
0000000000000000
Bit Symbol Bit Name Description R/W
b11 to b0 RFPTR[11:0] Receive FIFO Buffer Label Data Label information of the received message can be read. R
b15 to b12 RFDLC[3:0] Receive FIFO Buffer DLC Data
b15 b12
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
R