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                ELINK離線編程器SWD接口引腳定義如圖所示: ![](https://box.kancloud.cn/34ec61a26d5cbfc956fc93625242fbc3_507x235.png) 用戶目標板設計建議: ● 硬件設計時建議按圖中引腳定義排板,方便后續接線; ●軟件設計時建議不要屏蔽或復用SWD專用引腳(解除方法詳見第五章編程器操作常見問題); ●使用編程器編程時,建議直接采用編程器3.3V電源輸出給目標板供電(原因有二:一是操作更加便利;二是像F2、F4系列的FLASH編程操作依賴于供電電壓)。
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