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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 好的,多谢,麻烦问下imx462模组有没有在CYUSB3065平台上调过

      veye_xumm 1 Reply Last reply Reply Quote 0
      • veye_xumm
        veye_xumm @canglin last edited by

        @canglin 我们没有调过。

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          canglin @veye_xumm last edited by

          @veye_xumm 您好,麻烦问下数据速率是891Mbps吗,另外默认输出是mipi 2lane吗

          veye_xumm 1 Reply Last reply Reply Quote 0
          • veye_xumm
            veye_xumm @canglin last edited by

            @canglin
            第一个问题手册上有:
            b66165e3-bb8b-4f99-9d08-cc28db0d2c7e-image.png
            第二个,是的。

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              canglin @veye_xumm last edited by

              @veye_xumm 我用示波器量了下,mipi 的clk和数据波形
              数据波形ab8c3b30-6e67-4845-bae2-d0bb1d976614-image.png

              clk波形
              1e62976b-059f-4888-bd32-33a5a4a896a7-image.png

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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

                  veye_xumm 1 Reply Last reply Reply Quote 0
                  • 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

                        veye_xumm 1 Reply Last reply Reply Quote 0
                        • 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

                            veye_xumm 1 Reply Last reply Reply Quote 0
                            • 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

                                  veye_xumm 1 Reply Last reply Reply Quote 0
                                  • 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

                                      veye_xumm 1 Reply Last reply Reply Quote 0
                                      • veye_xumm
                                        veye_xumm @canglin last edited by

                                        @canglin 默认是discontinues模式。

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