SH7203 Datasheet, PDF (1034/1686 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 19 Controller Area Network (RCAN-TL1)
Method by Halt Mode
RCAN-TL1 is in Tx_Rx Mode
Set MCR[1] (Halt Mode)
Is RCAN-TL1
Transmitter, Receiver
or Bus Off?
No
Finish
current
session
Yes
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
The shadowed boxes need to be
done by S/W (host processor)
Figure 19.22 Change ID of receive box or Change receive box to transmit box
Rev. 2.00 Apr. 16, 2008 Page 1004 of 1652
REJ09B0313-0200