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關於ATSAME54P20A燒錄及VDDCORE腳位的相關問題
#1
新會員
新會員


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您好:

我最近使用貴公司的SNAP燒錄器進行燒錄,在確保我們的target Board是有供電的情況下,第一次有將程式燒錄成功,可是我第二次想重複燒錄的時候卻跳出了以下的錯誤訊息

Failed to get Device ID. Please make sure the target device is attached and try the operation again.
Connection Failed.

我確定我的target Board是有供電的情況,用的也是同一個程式進行燒錄,想問是出了什麼狀況?

還有一個是關於此顆晶片的VDDCORE腳位,我們在target Board上面只要一接到此腳位供電會瞬間變成1.2V,只要將此腳位拔掉,target Board又會恢復成我們所供給的電壓,Datasheet中雖有說明此腳位的電壓值為1.2V,但我們還是不太能理解,主要是想知道這個腳位是否有必要去接?

謝謝

MPLAB V5.3
XC32 v2.30
Harmony V3

發表於: 2020/11/25 17:11
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Re: 關於ATSAME54P20A燒錄及VDDCORE腳位的相關問題
#2
管理員
管理員


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VDDCORE是輸出用途
縮圖
請參考公板線路來檢查電路設計

SAME54 Curiosity Ultra Evaluation Kit ( DM320210 )
https://ww1.microchip.com/downloads/en ... sity-Ultra-Main-Board.zip

SAM E54 Xplained Pro ( ATSAME54-XPRO )
https://ww1.microchip.com/downloads/en ... _Design_Documentation.zip

Attach file:



jpg  SAME54_VDDCORE.jpg (355.41 KB)
67979_5fbf190a227d9.jpg 937X696 px

發表於: 2020/11/26 10:55
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