1. 鍚鍙楁帶婧愮殑鐢佃矾锛岀畝鍗曟ā鐢甸樼洰
VCCS 鐢靛帇鎺у埗鐢垫祦婧愶紝杈撳嚭U鏄鎺у埗绔銆
褰撹緭鍑虹鐭璺鏃讹紝U=0 鍒3U=0A锛岀浉褰撲簬鏂寮銆
鎵浠ュ師鐢佃矾鍙绛夋晥鎴愪笉鍚鍙楁帶婧愮殑鐢佃矾锛屽備笅鍥俱
鎵浠ISC=1A