/*載入RCSR*/
	ldr r0, =RCSR
	ldr r1, [r0]
						/* 屏蔽 RCSR_HWR | RCSR_WDR| RCSR_AMR |RCSR_GPR */
	and r1, r1, #0xf
								/* 清除reset控制狀態 */
	str r1, [r0]
								/*通過檢查RCSR來判斷是否是睡眠蘇醒 */
	teq r1, #4
	beq WakeUp
WakeUp:
	ldr r0, =PSPR
	ldr r1, [r0]
	mov PC, r1

/*切換到睡眠狀態*/
	mov r3, #0x3
	mcr p14, 0 ,Rx, c7, c0, 0