A.26MHZ主時(shí)鐘 B.32KHz實(shí)時(shí)時(shí)鐘 C.睡眠時(shí)鐘 D.復(fù)位信號(hào)
A.聽(tīng)筒 B.振動(dòng)器 C.話筒 D.揚(yáng)聲器
A.FM B.GPS C.BLUETOOTH D.WiFi