1. 鍚鍙楁帶婧愮殑鐢佃礬錛岀畝鍗曟ā鐢甸樼洰
VCCS 鐢靛帇鎺у埗鐢墊祦婧愶紝杈撳嚭U鏄鎺у埗絝銆
褰撹緭鍑虹鐭璺鏃訛紝U=0 鍒3U=0A錛岀浉褰撲簬鏂寮銆
鎵浠ュ師鐢佃礬鍙絳夋晥鎴愪笉鍚鍙楁帶婧愮殑鐢佃礬錛屽備笅鍥俱
鎵浠ISC=1A