Renesas RH850 Series Application Note

RH850 Series
CAN Transmit Procedure (CAN FD Mode)
Summary
This document describes an example of a procedure for transmitting CAN using the RH850 series. Please refer to the
notes in the latest user's manual hardware edition for the settings of each register.
Operation Confirmed Devices
This document applies to the RH850 series.
The variables described in the text are as follows.
RS-CAN FD channel number
GAFLIDj, GAFLMj, GAFLP0j,
GAFLP1j Register numbers
Transmit/Receive FIFO buffer
number
Receive FIFO buffer number
Receive buffer number
Transmit buffer number
RAM test number
GAFLCFGi、GTINTSTSi
register number
Number of each status register
The functions marked with "★" in the text are applicable to cases where 2 or more channels are installed.
In the text, CFD is omitted from the register names.
R01AN6029EJ0100 Rev.1.0
May 10, 2017
Table 1-1 Target Devices and Variables
Variable
RH850/E2x RH850/E1M-S2 RH850/P1M-E
m
j
k
x
q
p
r
i
y
Target MCU
0~4 0~3
0~15 0~15
0~14 0~11
0~7 0~7
0~79 0~63
0~79 0~63
0~63 0~63
0 0
0~2 0,1
Application Note
R01AN6029EJ0100
Rev.1.0
0~2
0~15
0~8
0~7
0~47
0~47
0~63
0
0,1
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