RL78/F13, F14 CHAPTER 18 CAN INTERFACE (RS-CAN LITE)
R01UH0368EJ0210 Rev.2.10 1320
Dec 10, 2015
18.3.29 CAN Receive Buffer Register nBH (RMPTRn) (n = 0 to 15)
Address RMPTR0L: F03A6H, RMPTR0H: F03A7H RMPTR1L: F03B6H, RMPTR1H: F03B7H
RMPTR2L: F03C6H, RMPTR2H: F03C7H RMPTR3L: F03D6H, RMPTR3H: F03D7H
RMPTR4L: F03E6H, RMPTR4H: F03E7H RMPTR5L: F03F6H, RMPTR5H: F03F7H
RMPTR6L: F0406H, RMPTR6H: F0407H RMPTR7L: F0416H, RMPTR7H: F0417H
RMPTR8L: F0426H, RMPTR8H: F0427H RMPTR9L: F0436H, RMPTR9H: F0437H
RMPTR10L: F0446H, RMPTR10H: F0447H RMPTR11L: F0456H, RMPTR11H: F0457H
RMPTR12L: F0466H, RMPTR12H: F0467H RMPTR13L: F0476H, RMPTR13H: F0477H
RMPTR14L: F0486H, RMPTR14H: F0487H RMPTR15L: F0496H, RMPTR15H: F0497H
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
RMDLC[3:0] RMPTR[11:0]
After Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit Symbol Bit Name Description R/W
15 to 12 RMDLC[3:0] Receive Buffer DLC Data
b15 b14 b13 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
11 to 0 RMPTR
[11:0]
Receive Buffer Label Data Label information of the received message can be read. R
This register can be read when the RPAGE bit in the GRWCR register is 1.
• RMDLC[3:0] Bits
These bits indicate the data length of the message stored in the receive buffer.
• RMPTR[11:0] Bits
These bits indicate the label information of the message stored in the receive buffer.
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