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TMS320F28379D: SDFM的Debug测试结果问题

Part Number: TMS320F28379D
Other Parts Discussed in Thread: C2000WARE, AMC1305M25

我在测试官方例程C2000Ware_5_02_00_00\device_support\f2837xd\examples\cpu1\sdfm_pwm_sync_cpu时使用了AMC1305M25评估模块与28379D进行测试,同时按照https://www.ti.com.cn/cn/lit/an/zhca818/zhca818.pdf该文档进行pwm和滤波器、过采样率配置。

AMC1305M25的AINP和AINN端输入的是100mV电压,pwm配置的时钟频率为10Mhz,DEBUG后逻辑分析仪可以抓到时钟波形和DOUT输出波形,但是我的SDFM滤波器输出结果似乎不对,Filter1_Result[1024]一直是4369,Filter2_Result[1024]一直是8738,Filter3_Result[1024]一直是13107,Filter4_Result[1024]一直是17476,我想问一下是什么原因会让我的SDFM输出结果变成这样?有何解决办法吗?