SH7201 Datasheet, PDF (892/1196 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 19 Controller Area Network (RCAN-ET)
Method by Halt Mode
RCAN-ET is
in Tx_Rx Mode
Set MCR[1] (Halt Mode)
Is RCAN-ET
Transmitter, Receiver
or Bus Off?
Finish
current
session
Yes
No
Generate interrupt (IRR0)
Read IRR0 & GSR4 as '1'
RCAN-ET is in Halt Mode
Change ID or MBC of Mailbox
Clear MCR1
RCAN-ET is
in Tx_Rx Mode
The shadowed boxes need to be
done by S/W (host processor)
Figure 19.12 Change ID of Receive Box or Change Receive Box to Transmit Box
Rev. 2.00 Sep. 07, 2007 Page 864 of 1164
REJ09B0321-0200