:::
Browsing this Thread:
1 Anonymous Users
|
Re: pic16f886 ra3 問題
|
||||
|---|---|---|---|---|
|
初級會員
 
|
不好意思, 應該是線路問題, 祝大家身體健康
發表於: 2021/5/28 15:05
|
|||
|
||||
|
pic16f886 ra3 問題
|
||||
|---|---|---|---|---|
|
初級會員
|
大家好, 目前遇到一個奇怪的問題, 硬體線路很簡單就是一個rc濾波器接到pic16f886的pin5(ra3), 在還沒燒任何程式的情況下, 系統給電後會看到pin5的電壓會先昇到預期的電壓但是會突然電壓往下掉(有一個負斜率, 感覺像濾波電容定電流放電), 然後電壓又回升到預期的電壓(看起來像rc充電的波形), 但是不裝mcu(直接從線路中移除)時卻不會有這種情形, 請問這是甚麼問題?
發表於: 2021/5/28 12:18
|
|||
|
||||
You can view topic.
你 不可以 發起新主題
You cannot reply to posts.
You cannot edit your posts.
You cannot delete your posts.
You cannot add new polls.
You cannot vote in polls.
You cannot attach files to posts.
You cannot post without approval.
You cannot use topic type.
You cannot use HTML syntax.
You cannot use signature.
You cannot create PDF files.
You cannot get print page.
