SH7137 Datasheet, PDF (796/1160 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 19 Controller Area Network (RCAN-ET)
Halt Request
Sleep Mode
Sequence flow
Write MCR[1] = 1
No
GSR[4] = 1?
Yes
IRR[0] = 1
Write IRR[0] = 1
Sleep Request
IRR[0] = 0
Write MCR[1] = 0 & MCR[5] = 1
IRR[0] = 1
Write IRR[0] = 1
IRR0 = 0
Sleep Mode
No
CAN Bus Activity
Yes
IRR[12] = 1
MCR[7] = 1?
No
Yes
MCR[5] = 0
Write IRR[12] = 1
IRR[12] = 0
No
GSR4 = 0?
Yes
Transmission/Reception Mode
User monitor
: Hardware operation
: Manual operation
Write IRR[12] = 1
IRR[12] = 0
Write MCR[5] = 0
CLK is
STOP
Only MCR, GSR,
IRR, IMR can be
accessed.
User monitor
Rev. 2.00 Sep. 10, 2008 Page 770 of 1130
REJ09B0402-0200