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    V851s最小系统板(啥资源也没有)安排上了

    V853系列-AI视觉
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    • W
      whycan晕哥 LV 9 last edited by

      bfc81a35-4c84-4e81-950e-250378ef98f3-ef6110bbf9f697cfd0da9214385b346.jpg

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      • Y
        yelong98 LV 7 last edited by

        0603安逸,不用眼瞎去焊接了,这个好歹弄个wifi上去啊!851的sdk也没释放呢

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          whycan晕哥 LV 9 @yelong98 last edited by

          @yelong98

          37f48512-12db-4f80-aba5-e7b7bc3195d8-6503a8feaa3fc670a3939532ef211e6.jpg

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            whycan晕哥 LV 9 last edited by

            板子被我弄炸了,USB口也没反应了。

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            • Y
              yelong98 LV 7 @whycan last edited by

              @whycan 只留了一个tf卡,大概率跑不起来,我蹭了2颗851,发现sdk的tf启动引导有问题

              L 1 Reply Last reply Reply Quote Share 0
              • Moved from 其它全志芯片讨论区 by  xiaowenge xiaowenge 
              • L
                lovexulu LV 7 @yelong98 last edited by

                @yelong98 已成功卡启动

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                  yelong98 LV 7 @lovexulu last edited by

                  @lovexulu 怎么解决的?我之前还发了个帖子说tf启动到kernel就没下文了

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                    lovexulu LV 7 @yelong98 last edited by

                    @yelong98 按照大佬所说 配置uboot,参考论坛全志tina存储介质更换帖子修改。

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                      lovexulu LV 7 @yelong98 last edited by

                      @yelong98 tina_v851s-perf1_uart0.img 卡启动固件。

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                      • Y
                        yelong98 LV 7 @lovexulu last edited by

                        @lovexulu 多谢老铁

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                          super0759 LV 4 last edited by

                          楼主 有没有多余的板子 ,我们想买个。

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                            mysteryli LV 5 last edited by

                            好像没给DRAM供电啊,这能启动?

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                            • WhycanService
                              WhycanService LV 7 @mysteryli last edited by

                              @mysteryli

                              文件下载:V851S极简PCB工程(立创EDA格式).rar

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                                mysteryli LV 5 last edited by

                                晕哥,我复刻了大佬的作品,但是启动不了,测量LDOA-OUOT和VCC-1.8的电压是0.6V,请问是我芯片没有焊接好导致内部LDO输出不正确吗c7c64046-b836-43f1-80ef-a5a9030c4018-c8212ed36c3f802d338cc6ac4fb09e4.jpg
                                0d7c109d-840f-47c3-bc11-3810e19aeb50-image.png

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                                  mysteryli LV 5 last edited by

                                  我焊接的两块板子均是该现象。。

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                                    whycan晕哥 LV 9 @mysteryli last edited by whycan

                                    @mysteryli
                                    先 检测 3.3V与核心0.9v是否正常,确认 3.9, 0.9 对地 无短路 。

                                    确认 芯片背面焊接良好 ,确认无误 连接 debug 串口 按复位 能看到CCC 。

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                                      mysteryli LV 5 @whycan last edited by

                                      @whycan
                                      看不到CCC😲
                                      为了别糟蹋剩下的3片芯片和板子
                                      在线求哪位大佬能焊接这个芯片
                                      小弟愿赠送一片板子以示感谢

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                                        whycan晕哥 LV 9 @mysteryli last edited by

                                        @mysteryli
                                        还有元件取值问题 1.8V 下的C5 为10uf, R8 为0R。

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                                          lovexulu LV 7 @mysteryli last edited by

                                          @mysteryli 851s.jpg

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                                            mysteryli LV 5 @lovexulu last edited by

                                            @lovexulu
                                            老哥您好 不知道是否方便我把板子和芯片发给您代焊接呢,看来在下焊工实在拙劣

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                                              mysteryli LV 5 @whycan last edited by

                                              @whycan 在 V851s最小系统板(啥资源也没有)安排上了 中说:

                                              @mysteryli
                                              还有元件取值问题 1.8V 下的C5 为10uf, R8 为0R。

                                              看来原理图上标识错误,改了以后有一块板子的1.8V出来了(1.728V)
                                              但是还是没有看到CCC

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                                                lovexulu LV 7 @mysteryli last edited by

                                                @mysteryli 串口需要短接

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                                                  mysteryli LV 5 @lovexulu last edited by

                                                  @lovexulu
                                                  串口短接后 发的00 感觉是每次上电的毛刺
                                                  141f65af-dd90-45e5-a263-51d777dd4e07-image.png

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                                                    lovexulu LV 7 @mysteryli last edited by

                                                    @mysteryli 能加你微信,帮你看下?

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                                                      mysteryli LV 5 @lovexulu last edited by

                                                      @lovexulu 在 V851s最小系统板(啥资源也没有)安排上了 中说:

                                                      @mysteryli 能加你微信,帮你看下?

                                                      好的 大佬
                                                      13940358460
                                                      微信号

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