Fujitsu MB90480 Series Hardware Manual page 173

(3) Define the standby mode transition instruction between #pragma asm and #pragma
endasm and insert two NOP and JMP instructions after that instruction.
Example: Transition to stop mode
#pragma asm
MOV I: _IO_LPMCR,#H'98
NOP
NOP
JMP $+3
#pragma endasm
CHAPTER 6 LOW-POWER CONSUMPTION MODE
/* Set LPMCR STP bit to "1" */
/* Jump to next instruction */
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