Renesas RH850 Series

RH850 Series CAN Transmit Procedure (CAN FD Mode)
R01AN6029EJ0100 Rev.1.0 Page
34
of 42
May 10, 2017
【Note】
1.
Rewrite the enable/disable of the transmit history buffer (the THLE bit of the THLCCm register) in
channel communication mode or channel standby mode.
Figure 5-3 Procedure for Enabling Use of Transmit History Buffer
【Note】
1.
Rewrite the enable/disable of the transmit history buffer (the THLE bit of the THLCCm register) in
channel communication mode or channel standby mode.
2.
Even if the use of the transmit history buffer is prohibited (the THLE bit is “0”) while an interrupt request is
generated (the THLIF flag in the THLSTSm register is “1”), the interrupt request flag (the THLIF flag) is not
automatically set to “0”. Set the interrupt request flag to "0" with the program.
Figure 5-4 Procedure for Prohibiting Use of Transmit History Buffer
START
Prohibit use of the transmit history buffer*
1.
、
2.
END
START
No
Yes
Is the transmit history buffer empty?
Enable use of the transmit history buffer*
1.
END