SH7147 Datasheet, PDF (753/1108 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 17 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?
No
Finish
current
session
Yes
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 17.13 Change ID of Receive Box or Change Receive Box to Transmit Box
Rev. 3.00 Oct. 06, 2008 Page 729 of 1080
REJ09B0230-0300