Comments (3)
若是, 则按照规格书VDDIO要求,耐压不能超过3.6V
若不是,则不不不按照规格书VDDIO要求,耐压可支持5.5V ??
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大部分客户忽略了规格书要求,这里补充提醒
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样机芯片按VBAT和VDDIO引脚短接设计或出现以下报错(vddio 错误),请注意烧写时USB端电压需转换!!!
使用一拖八烧写器烧写芯片VBAT和VDDIO引脚短接样机,,一拖八烧写器USB端电源电压需要转换为3.3V才能进行烧写(V2.0以上版本一拖八烧写器USB端电压PC部署工具3V~6V可设,不需要转换),否则可能出现烧录异常或者损坏芯片。USB端电压转换及接法如下:
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