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    SOLVED imx462寄存器值

    VEYE MIPI camera
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      canglin @veye_xumm last edited by

      @veye_xumm 97da0fbf-4504-4bd2-a881-ec3c908fc3f9-image.png

      5d2bd481-c711-42aa-8d34-b0d62b0d89e3-image.png

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        canglin @veye_xumm last edited by

        @veye_xumm 帧率默认60fps吗

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        • veye_xumm
          veye_xumm @canglin last edited by

          @canglin 是的

          @canglin said in imx462寄存器值:

          帧率默认60fps吗

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            canglin @veye_xumm last edited by

            @veye_xumm 如果帧率配置成30fps,其他参数会修改吗

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              canglin @canglin last edited by

              @canglin 6e004faa-9682-456b-8a35-01db372b13a8-image.png 比如说这些参数

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              • veye_xumm
                veye_xumm @canglin last edited by

                @canglin
                降低帧率的话,V-Blanking会加大。比如默认是1080p@60fps,对应V-Total=V-Active+V-Blanking=1080+25;那么配置成30fps的时候,V-Total会配置为原来的2倍,增加的全部会加到V-Blanking中。

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                  canglin @veye_xumm last edited by

                  @veye_xumm 您好,麻烦问下,0x840寄存器读出来的数怎么推算csi_clk,我刚才读了下这个数,是(0x9878)38Mbps
                  4cc80b54-9b22-440a-8b76-c5b6c2b829e0-image.png

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                  • veye_xumm
                    veye_xumm @canglin last edited by

                    @canglin 你用的相机型号是RAW-MIPI-IMX462M吗?

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                      canglin @veye_xumm last edited by

                      @veye_xumm 是的,淘宝上买的
                      dd8aebab-abc6-485e-a370-589eeec63667-image.png

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                        canglin @canglin last edited by

                        @canglin 不好意思,看错了,读出来的数是0xd9878,速率是870Mbps

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                        • veye_xumm
                          veye_xumm @canglin last edited by

                          @canglin 应该是891Mbps/lane; csi_clk应该是这个值的一半,因为是双沿的。

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                            canglin @veye_xumm last edited by

                            @veye_xumm 你好,麻烦问下sensor的mipi clock默认是continue模式还是gate模式

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                            • veye_xumm
                              veye_xumm @canglin last edited by

                              @canglin 默认是discontinues模式。

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