主题中讨论的其他器件: LMK04828
戴尔
我正在测试使用 GUI 创建的脚本、但我遇到 PLL 错误。
我们需要与我们的设置相匹配的寄存器值。
使用 DAC38J84的设置如下所示。
输入时钟:122.88Mhz
输入数据速率:122.88MHz
内插:16.
复数混频器使能
JESD LMFS:2441
内部 PLL 使用。
当寄存器6c 地址按如下方式设置时、读取0x000F。
请检查
DacRegWrite (0x00、0x0218);
DacRegWrite (0x01、0x0003);
DacRegWrite (0x02、0x2012);
DacRegWrite (0x03、0xA300);
DacRegWrite (0x04、0xF3F3);
DacRegWrite (0x05、0xFF07);
DacRegWrite (0x06、0xFFFF);
DacRegWrite (0x07、0x3100);
DacRegWrite (0x08、0x0000);
DacRegWrite (0x09、0x0000);
DacRegWrite (0x0A、0x0000);
DacRegWrite (0x0B、0x0000);
DacRegWrite (0x0C、0x0400);
DacRegWrite (0x0D、0x0400);
DacRegWrite (0x0E、0x0400);
DacRegWrite (0x0F、0x0400);
DacRegWrite (0x10、0x0000);
DacRegWrite (0x11、0x0000);
DacRegWrite (0x12、0x0000);
DacRegWrite (0x13、0x0000);
DacRegWrite (0x14、0x0000);
DacRegWrite (0x15、0x0000);
DacRegWrite (0x16、0x3000);
DacRegWrite (0x17、0x0000);
DacRegWrite (0x18、0x0000);
DacRegWrite (0x19、0x3000);
DacRegWrite (0x1A、0x0000);
DacRegWrite (0x1B、0x0000);
DacRegWrite (0x1E、0x9999);
DacRegWrite (0x1F、0x9980);
DacRegWrite (0x20、0x8008);
DacRegWrite (0x22、0x1B1B);
DacRegWrite (0x23、0x01FF);
DacRegWrite (0x24、0x0020);
DacRegWrite (0x25、0x8000);
DacRegWrite (0x26、0x0000);
DacRegWrite (0x2D、0x0001);
DacRegWrite (0x2E、0xFFFF);
DacRegWrite (0x2F、0x0004);
DacRegWrite (0x30、0x0000);
DacRegWrite (0x31、0x0400);
DacRegWrite (0x32、0x0F00);
DacRegWrite (0x33、0xA330);
DacRegWrite (0x34、0x0000);
DacRegWrite (0x3B、0x1800);
DacRegWrite (0x3C、0x1028);
DacRegWrite (0x3D、0x0088);
DacRegWrite (0x3E、0x0108);
DacRegWrite (0x3F、0x0000);
DacRegWrite (0x46、0x0044);
DacRegWrite (0x47、0x190A);
DacRegWrite (0x48、0x31C3);
DacRegWrite (0x49、0x0000);
DacRegWrite (0x4A、0x031E);
DacRegWrite (0x4B、0x0301);
DacRegWrite (0x4C、0x0403);
DacRegWrite (0x4D、0x0300);
DacRegWrite (0x4E、0x0F0F);
DacRegWrite (0x4F、0x1C61);
DacRegWrite (0x50、0x0000);
DacRegWrite (0x51、0x00DC);
DacRegWrite (0x52、0x00FF);
DacRegWrite (0x53、0x0000);
DacRegWrite (0x54、0x00FC);
DacRegWrite (0x55、0x00FF);
DacRegWrite (0x56、0x0000);
DacRegWrite (0x57、0x00FF);
DacRegWrite (0x58、0x00FF);
DacRegWrite (0x59、0x0000);
DacRegWrite (0x5A、0x00FF);
DacRegWrite (0x5B、0x00FF);
DacRegWrite (0x5C、0x1133);
DacRegWrite (0x5E、0x0000);
DacRegWrite (0x5F、0x0123);
DacRegWrite (0x60、0x4567);
DacRegWrite (0x61、0x0211);
DacRegWrite (0x64、0x0001);
DacRegWrite (0x65、0x0001);
DacRegWrite (0x66、0x0001);
DacRegWrite (0x67、0x0001);
DacRegWrite (0x68、0x7709);
DacRegWrite (0x69、0x0000);
DacRegWrite (0x6A、0x0000);
DacRegWrite (0x6B、0xBD07);
DacRegWrite (0x6C、0x0007);
DacRegWrite (0x6D、0x0090);
DacRegWrite (0x6E、0x0000);
DacRegWrite (0x6f、0x0000);
DacRegWrite (0x70、0x0000);
DacRegWrite (0x71、0x0000);
DacRegWrite (0x72、0x0000);
DacRegWrite (0x73、0x0000);
DacRegWrite (0x74、0x0000);
DacRegWrite (0x75、0x0000);
DacRegWrite (0x76、0x0000);
DacRegWrite (0x77、0x0000);
DacRegWrite (0x78、0x0000);
DacRegWrite (0x79、0x0000);
DacRegWrite (0x7A、0x0000);
DacRegWrite (0x7B、0x0000);
DacRegWrite (0x7C、0x0000);
DacRegWrite (0x7D、0x0000);
DacRegWrite (0x3B、0x1800);
DacRegWrite (0x25、0x8000);
DacRegWrite (0x3C、0x1228);
DacRegWrite (0x3C、0x1028);
DacRegWrite (0x3E、0x0128);
DacRegWrite (0x4C、0x0401);
DacRegWrite (0x4D、0x0300);
DacRegWrite (0x4B、0x0303);
DacRegWrite (0x4D、0x0300);
DacRegWrite (0x4E、0x0F0F);
DacRegWrite (0x00、0x0818);
谢谢你。






