[問題] DIY 89S51 燒錄器問題
我照著網路上的電路圖接在麵包板上
電路圖:http://www.wretch.cc/blog/miaoichi/22866080
連PC的線是RS232的線 然後再接一個25pin printport接到板子上
打開 ISP 程式後 會出現
"Programmer Hardware not found... Print Port set to default LPT-1 "
然後按write後會出現
"NO response from uC"
40隻腳有接一顆 0.1u的陶瓷電容
需要怎麼做 才可以讓89S51燒錄成功
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