AD9106的3、4通道可以输出正弦波但是1、2通道没有信号

你好，我们在做一个三相电源，需要用AD9106产生3路500HZ的正弦波。硬件上使用的通道是1、2和3，我们按照官方的测试报告和datasheet写的程序，第3通道输出的频率，幅值都正常，但是第1通道和第2通道没有波形输出。官方测试报告使用的是第3和第4通道，我们仿照测试报告给的例程配置的1、2通道，请您帮忙看一下是否配置正确。我们现在手里有官方的测试报告，怀疑通道1、2的使能没有打开。请您尽快帮忙解答！（我们需要实际的解决方法）

uint32 InstruAndData_PatternType = 0x001F0000;	//Register 0x1F,  Data=0x0000(Continuous)
uint32 InstruAndData_Wave4_3 = 0x00263131;	//Register 0x26,  Data=0x3131(wavefrom typ)	DAC4 and DAC3 select the DDS prestore wave form.

    uint32 InstruAndData_Wave2_1 = 0x00273131;

uint32 InstruAndData_DGAIN4 = 0x00321000;		//DAC4_DGAIN 0x32, Data=0x4000  Very important,the maximum value is 0x4000
uint32 InstruAndData_DGAIN3 = 0x00331000;			//DAC3_DGAIN 0x33,

    uint32 InstruAndData_DGAIN2 = 0x00341000;
    uint32 InstruAndData_DGAIN1 = 0x00351000;

uint32 InstruAndData_DDSMSB = 0x003E0000;		//Register 0x3E, Data=0x0E00
uint32 InstruAndData_DDSLSB = 0x003FA700;		//Register 0x3F, Data=0xa700	50Hz output,50MHz fsys
uint32 InstruAndData_DDS4_PW = 0x00400000;		//Register 0x40, DDS4  degree	adjust the DDS4 and DDS3 to have the same phase

    uint32 InstruAndData_DDS3_PW = 0x00410000;
    uint32 InstruAndData_DDS2_PW = 0x00420000;

uint32 InstruAndData_Run = 0x001E0001;                //PAT_STATUS 0x1E, run bit=1	Very important
uint32 InstruAndData_update = 0x001D0001;		//Register 0x1D, Data=0xE600				//ADuC7026 Initialization

    DDS_TRIGGER = 1 ;
    delay(14);


    writeToAD9106(InstruAndData_PatternType);
    writeToAD9106(InstruAndData_Wave4_3);
    writeToAD9106(InstruAndData_Wave2_1);
    writeToAD9106(InstruAndData_DGAIN4);
    writeToAD9106(InstruAndData_DGAIN3);
    writeToAD9106(InstruAndData_DGAIN2);
    writeToAD9106(InstruAndData_DGAIN1);
    writeToAD9106(InstruAndData_DDSMSB);
    writeToAD9106(InstruAndData_DDSLSB);
    writeToAD9106(InstruAndData_DDS4_PW);
    writeToAD9106(InstruAndData_DDS3_PW);
    writeToAD9106(InstruAndData_DDS2_PW);


    writeToAD9106(InstruAndData_update);
    writeToAD9106(InstruAndData_Run);
    writeToAD9106(InstruAndData_update);
    delay(10);
    DDS_TRIGGER=0;
    writeToAD9106(InstruAndData_update);   

注：附件为我们的电路原理图