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Section 20 Controller Area Network
Page 1076 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
Method by Halt Mode
RCAN-TL1 is in Tx_Rx Mode
Set MCR[1] (Halt Mode)
Is RCAN-TL1
Transmitter, Receiver
or Bus Off?
Generate interrupt (IRR0)
Read IRR0 & GSR4 as '1'
RCAN-TL1 is in Halt Mode
Change ID or MBC of Mailbox
Clear MCR1
RCAN-TL1 is in Tx_Rx Mode
Yes
No
The shadowed boxes need to be
done by S/W (host processor)
Finish
current
session
Figure 20.25 Change ID of receive box or Change receive box to transmit box