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关于芯片烧录电压 #18

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Tsai1005 opened this issue Oct 30, 2020 · 3 comments
Open

关于芯片烧录电压 #18

Tsai1005 opened this issue Oct 30, 2020 · 3 comments
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@Tsai1005
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注意所选封装规格书是否VDDIO & VBAT 短接，
若是，则需要按照规格书VDDIO要求，耐压不能超过3.6V
若不是，则按照规格书VDDIO要求，耐压可支持5.5V
@Williamzhangtw
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Williamzhangtw commented Oct 30, 2020 •
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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　？？

@Tsai1005
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Tsai1005 commented Nov 4, 2020

大部分客户忽略了规格书要求，这里补充提醒

@rixin-Tech
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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！！！
image
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：
image
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@Tsai1005 @Williamzhangtw @rixin-Tech