主题中讨论的其他器件:LMK04828、
大家好、
使用 LMK04828为 DAC 和 FPGA 计时。 DAC 配置:LMF=421、K=20、子类1、使用 Link0。
DAC38J82没有数据输出、并卡在 CGS 阶段。 客户已确认 FPGA 始终循环执行 kcode、但在发出 SYNC 请求后 DAC 的 SYNC 始终为低电平、NCO 验证是否存在输出。
FPGA 368.64M
DAC 368.64M
SYSREF 18.432M
配置如下:
DAC38J82 0x00,0x0, 0x00,0x1, 0x00, 0x0218, 0x01, 0x0003, 0x02, 0x2082, 0x03, 0xA300, 0x04, 0xF0F0, 0x05, 0xFF07, 0x06, 0xFFFF, 0x07, 0x3100, 0x08, 0x0000, 0x09, 0x0000, 0x0A, 0x0000, 0x0B, 0x0000, 0x0C, 0x0400, 0x0D, 0x0400, 0x0E, 0x0400, 0x0F, 0x0400, 0x10, 0x0000, 0x11, 0x0000, 0x12, 0x0000, 0x13, 0x0000, 0x14, 0x0000, 0x15, 0x0000, 0x16, 0x0000, 0x17, 0x0000, 0x18, 0x0000, 0x19, 0x0000, 0x1A, 0x0023, 0x1B, 0x0000, 0x1E, 0x9999, 0x1F, 0x9980, 0x20, 0x8008, 0x22, 0x1B1B, 0x23, 0x01FF, 0x24, 0x0020, 0x25, 0x4000, 0x26, 0x0000, 0x2D, 0x0001, 0x2E, 0xFFFF, 0x2F, 0x0004, 0x30, 0x0000, 0x31, 0x1000, 0x32, 0x0000, 0x33, 0x0000, 0x34, 0x0000, 0x3B, 0x1800, 0x3C, 0x0228, 0x3D, 0x0088, 0x3E, 0x0108, 0x3F, 0x0000, 0x46, 0x1882, 0x47, 0x01C8, 0x48, 0x3143, 0x49, 0x0000, 0x4A, 0x0F3E, 0x4B, 0x1201, 0x4C, 0x1303, 0x4D, 0x0300, 0x4E, 0x0F0F, 0x4F, 0x1C61, 0x50, 0x0000, 0x51, 0x00DC, 0x52, 0x00FF, 0x53, 0x0000, 0x54, 0x00FC, 0x55, 0x00FF, 0x56, 0x0000, 0x57, 0x00FF, 0x58, 0x00FF, 0x59, 0x0000, 0x5A, 0x00FF, 0x5B, 0x00FF, 0x5C, 0x1133, 0x5E, 0x0000, 0x5F, 0x3210, 0x60, 0x5764, 0x61, 0x0211, 0x64, 0x0001, 0x65, 0x0001, 0x66, 0x0001, 0x67, 0x0001, 0x68, 0x7709, 0x69, 0x0000, 0x6A, 0x0000, 0x6B, 0xBD07, 0x6C, 0x0007, 0x6D, 0x0090, 0x6E, 0x0000, 0x6F, 0x0000, 0x70, 0x0000, 0x71, 0x0000, 0x72, 0x0000, 0x73, 0x0000, 0x74, 0x0000, 0x75, 0x0000, 0x76, 0x0000, 0x77, 0x0000, 0x78, 0x0000, 0x79, 0x0000, 0x7A, 0x0000, 0x7B, 0x0000, 0x7C, 0x0000, 0x7D, 0x0000, 0x3b,0x0000, 0x25,0x2000, 0x3c,0x228, 0x3c,0x228, 0x3e,0x128, 0x4c,0x1303, 0x4d,0x100, 0x4b,0x1200, 0x4d,0x100, 0x4e,0xf4f, 0x0,0x18, 0x4A,0x0F3e,//reset dac 204B IP core 0x4A,0x0F3e, 0x4A,0x0F3f, 0x4a,0x0f21, 0x02,0x2080, 0x2f,0x0, LMK04828 0x0000, 0x90, 0x0000, 0x00, 0x0002, 0x00, 0x0003, 0x06, 0x0004, 0xD0, 0x0005, 0x5B, 0x0006, 0x00, 0x000C, 0x51, 0x000D, 0x04, 0x0100, 0x14, 0x0101, 0x55, 0x0102, 0x55, 0x0103, 0x04, 0x0104, 0x20, 0x0105, 0x00, 0x0106, 0xF8, 0x0107, 0x10, 0x0108, 0x08, 0x0109, 0x55, 0x010A, 0x55, 0x010B, 0x00, 0x010C, 0x20, 0x010D, 0x00, 0x010E, 0xF0, 0x010F, 0x11, 0x0110, 0x02, 0x0111, 0x55, 0x0112, 0x55, 0x0113, 0x00, 0x0114, 0x22, 0x0115, 0x00, 0x0116, 0xF9, 0x0117, 0x11, 0x0118, 0x08, 0x0119, 0x11, 0x011A, 0x55, 0x011B, 0x00, 0x011C, 0x20, 0x011D, 0x00, 0x011E, 0xF0, 0x011F, 0xFE, 0x0120, 0x00, 0x0121, 0x55, 0x0122, 0x55, 0x0123, 0x00, 0x0124, 0x22, 0x0125, 0x00, 0x0126, 0xF9, 0x0127, 0x01, 0x0128, 0x00, 0x0129, 0x55, 0x012A, 0x55, 0x012B, 0x00, 0x012C, 0x02, 0x012D, 0x00, 0x012E, 0xF1, 0x012F, 0x09, 0x0130, 0x06, 0x0131, 0x55, 0x0132, 0x55, 0x0133, 0x00, 0x0134, 0x02, 0x0135, 0x00, 0x0136, 0xF9, 0x0137, 0x33, 0x0138, 0x21, 0x0139, 0x02, 0x013A, 0x00, 0x013B, 0xA0, 0x013C, 0x00, 0x013D, 0x06, 0x013E, 0x03, 0x013F, 0x06, 0x0140, 0x82, 0x0141, 0x00, 0x0142, 0x00, 0x0143, 0x12, 0x0144, 0xFF, 0x0145, 0x7F, 0x0146, 0x18, 0x0147, 0x5F, 0x0148, 0x02, 0x0149, 0x42, 0x014A, 0x02, 0x014B, 0x16, 0x014C, 0x00, 0x014D, 0x00, 0x014E, 0xC0, 0x014F, 0x7F, 0x0150, 0x03, 0x0151, 0x02, 0x0152, 0x00, 0x0153, 0x00, 0x0154, 0x78, 0x0155, 0x00, 0x0156, 0x78, 0x0157, 0x00, 0x0158, 0x96, 0x0159, 0x00, 0x015A, 0x62, 0x015B, 0xD4, 0x015C, 0x20, 0x015D, 0x00, 0x015E, 0x00, 0x015F, 0x0B, 0x0160, 0x00, 0x0161, 0x01, 0x0162, 0x44, 0x0163, 0x00, 0x0164, 0x00, 0x0165, 0x0C, 0x0171, 0xAA, 0x0172, 0x02, 0x017C, 0x15, 0x017D, 0x33, 0x0166, 0x00, 0x0167, 0x00, 0x0168, 0x0C, 0x0169, 0x59, 0x016A, 0x20, 0x016B, 0x00, 0x016C, 0x00, 0x016D, 0x00, 0x016E, 0x13, 0x0173, 0x00, 0x0182, 0x00, 0x0183, 0x00, 0x0184, 0x00, 0x0185, 0x00, 0x0188, 0x00, 0x0189, 0x00, 0x018A, 0x00, 0x018B, 0x00, 0x1FFD, 0x00, 0x1FFE, 0x00, 0x1FFF, 0x53,
您能帮助检查这个问题吗? 谢谢。
此致、
切里
