:::
Browsing this Thread:
1 Anonymous Users
|
PIC 的一些設計小技巧 & 3V 與 5V 的轉換技巧
|
||||
|---|---|---|---|---|
|
版主
 
|
1. 一些有關 PIC 的設計小技巧:
http://ww1.microchip.com/downloads/en/devicedoc/40040b.pdf 2. 3V 與 5V 轉換的技巧: http://ww1.microchip.com/downloads/en/DeviceDoc/chapter%208.pdf 剛有位客戶打電話來問 3.3V 送給 5V UART 的問題，因為RxD 的腳位是屬於 Schmitt Trigger 準位 (0.8 Vdd) 所以無法直接推動。參考一下 3V Tips & Tricks 裡的第 16 頁，只要使用一個二極體加一個提升電組就可以做到這 Level Shift 了。
發表於: 2010/2/23 14:39
|
|||
|
||||
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.
