SH7710 Datasheet, PDF (339/996 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 10 Power-Down Modes
• Manual reset
1. A low signal is input to the RESETM pin.
2. The WDT counter overflows if WDT starts counting while the WT/IT and RSTS bits of the
WTCSR are set to 1.
Note: Immediately after a power-on reset or manual reset, be sure to execute the following
routine:
MOV.L #H'FFFFFF40, R1
MOV.L #H'80000005, R0
MOV.L #H'A4FC0008, R2
NOP
NOP
TESTCR2_SET
NOP
MOV.B R0, @R1
MOV.B R0, @R1
MOV.L R0, @R2
NOP
NOP
NOP
MOV.L @R2, R3
CMP/EQ R3, R0
BF
TESTCR2_SET
NOP
NOP
Rev. 2.00 Dec. 07, 2005 Page 297 of 950
REJ09B0079-0200