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ADC12DL3200: ADC12DL3200选通信号

Part Number: ADC12DL3200

我正在使用ADC12DL3200,采样时钟为5G,当我配置寄存器0x201为0x05 即 DES_EN = 1, LALIGNED = 0,LDEMUX = 1 demux-by-2时,LaneA与LaneB的选通信号一直为0,LaneC与LaneD的选通信号则符合要求。

寄存器配置

0x200 0x00  // Disable LVDS Outputs

0x061 0x00  // Disable Calibration

0x060 0x01  // DES Input = VINA

0x201 0x05  // DES_EN = 1, LALIGNED = 0,LDEMUX = 1 demux-by-2

0x062 0x03  // CAL_BG=1, CAL_FG=1

0x061 0x01  // Enable Calibration

0x202 0x10  // LFRAME = 16d

0x204 0x02  // SFORMAT = 1 for 2's comp

0x205 0x03  // ACT_PAT = 0d send normal data, SYNC_PAT = 3d frame strobe on all outputs when ~SYNC asserted

0x200 0x01  // Enable LVDS Outputs

0x06C 0x00  // Clear CAL_SOFT_TRIG

0x06C 0x01  // Set CAL_SOFT_TRIG to perform Foreground Calibration

当我配置寄存器0x201为0x07 即 DES_EN = 1, LALIGNED = 1,LDEMUX = 1 demux-by-2时,LaneA、LaneB、LaneC与LaneD的选通信号一直为0,这是为什么