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AD9789输出问题?

felix2yk 在 2014-9-18 詢問的問題
最後回覆由ADI_Wei於2014-9-22提供

         Ad9789新手做了一块板,板上一切正常,SPI可控,并能正确回读;fdac = 2.4GHz; 输出频率为:100MHz;FDCO = 150MHz;输入波特率:120.96MHz;采用QUC模式; 示波器测试:DCO和FS信号正常;但没有输出。采用测试模式也没有。请问如何如下参数,配置是否正确。

         具体寄存器参数回读如下:

register[0]0x10
register[1]0x0
register[2]0x0
register[3]0xc
register[4]0x8
register[5]0x1
register[6]0xc7
register[7]0x1
register[8]0xd
register[9]  0x20
register[10]0xaa
register[11]0xaa
register[12]0xaa
register[13]0x0   
register[14]0x0
register[15]0x0
register[16]0x0
register[17]0x0
register[18]0x0
register[19]0x0
register[20]0x0
register[21]0x0
register[22]0x0
register[23]0x0
register[24]0xbd
register[25]0x0
register[26]0x30
register[27]0x75
register[28]0xaa
register[29]0xa
register[30]0x0
register[31]0x3
register[32]0xc8
register[33]0xf8
register[34]0x1f
register[35]0x87
register[36]0x80
register[37]0x80
register[38]0x0
register[39]0x0
register[40]0x0
register[41]0x0
register[42]0x0
register[43]0x0
register[44]0x0
register[45]0x0
register[46]0x0
register[47]0xce
register[48]0x80
register[49]0xf0
register[50]0x9e
register[51]0x43
register[52]0x0
register[53]0xca
register[54]0x3
register[55]0x0
register[56]0x0
register[57]0x40
register[58]0x0
register[59]0x0
register[60]0x0
register[61]0x2
register[62]0x18
register[63]0x0
register[64]0x0
register[65]0x0
register[66]0x0
register[67]0x0
register[68]0x0
register[69]0x0
register[70]0x0
register[71]0x0
register[72]0x0
register[73]0x0
register[74]0x0
register[75]0x0
register[76]0x0
register[77]0x0
register[78]0x0
register[79]0x0
register[80]0x0
register[81]0x0
register[82]0x0
register[83]0x0
register[84]0x0
register[85]0x0

結果