Now, DDS output frequency is 100MHz,the center frequency of BPF filter is 100MHz, but No output！why?
the following is the content fo the register:
| reg[0] | 0x10 | |
| reg[1] | 0x0 | |
| reg[2] | 0x0 | |
| reg[3] | 0xc | |
| reg[4] | 0x8 | |
| reg[5] | 0xf | |
| reg[6] | 0xcf | |
| reg[7] | 0x1 | |
| reg[8] | 0xf | |
| reg[9] | 0x20 | |
| reg[10] | 0xaa | |
| reg[11] | 0xaa | |
| reg[12] | 0xaa | |
| reg[13] | 0x0 | |
| reg[14] | 0x0 | |
| reg[15] | 0x0 | |
| reg[16] | 0x0 | |
| reg[17] | 0x0 | |
| reg[18] | 0x0 | |
| reg[19] | 0x0 | |
| reg[20] | 0x0 | |
| reg[21] | 0x0 | |
| reg[22] | 0x0 | |
| reg[23] | 0x0 | |
| reg[24] | 0xbd | |
| reg[25] | 0x0 | |
| reg[26] | 0x30 | |
| reg[27] | 0x75 | |
| reg[28] | 0xaa | |
| reg[29] | 0xa | |
| reg[30] | 0x0 | |
| reg[31] | 0x3 | |
| reg[32] | 0xc8 | |
| reg[33] | 0x79 | |
| reg[34] | 0x1f | |
| reg[35] | 0x87 | |
| reg[36] | 0x80 | |
| reg[37] | 0x80 | |
| reg[38] | 0x0 | |
| reg[39] | 0x0 | |
| reg[40] | 0x0 | |
| reg[41] | 0x0 | |
| reg[42] | 0x0 | |
| reg[43] | 0x0 | |
| reg[44] | 0x0 | |
| reg[45] | 0x0 | |
| reg[46] | 0x0 | |
| reg[47] | 0xce | |
| reg[48] | 0x80 | |
| reg[49] | 0xf0 | |
| reg[50] | 0x9e | |
| reg[51] | 0x43 | |
| reg[52] | 0x0 | |
| reg[53] | 0xca | |
| reg[54] | 0x3 | |
| reg[55] | 0x0 | |
| reg[56] | 0x0 | |
| reg[57] | 0x40 | |
| reg[58] | 0x0 | |
| reg[59] | 0x0 | |
| reg[60] | 0x0 | |
| reg[61] | 0x2 | |
| reg[62] | 0x38 | |
| reg[63] | 0x0 | |
| reg[64] | 0x0 | |
| reg[65] | 0x0 | |
| reg[66] | 0x0 | |
| reg[67] | 0x0 | |
| reg[68] | 0x0 | |
| reg[69] | 0x0 | |
| reg[70] | 0x0 | |
| reg[71] | 0x0 | |
| reg[72] | 0x0 | |
| reg[73] | 0x0 | |
| reg[74] | 0x0 | |
| reg[75] | 0x0 | |
| reg[76] | 0x0 | |
| reg[77] | 0x0 | |
| reg[78] | 0x0 | |
| reg[79] | 0x0 | |
| reg[80] | 0x0 | |
| reg[81] | 0x0 | |
| reg[82] | 0x0 | |
| reg[83] | 0x0 | |
| reg[84] | 0x0 | |
| reg[85] | 0x0 | |
| reg[86] | 0x0 | |
| reg[87] | 0x0 |