DRV10975闭环速度不受控

Other Parts Discussed in Thread: DRV10975

第一次使用TI的无霍尔电机控制IC,现在有一个问题,电机进入闭环后速度并不是我设置的速度(SpeedCtrl1:SpeedCtrl2),反馈速度(MotorSpeed1:MotorSpeed2)显示0x0230,我设置了几个不同的速度,但反馈速度都是0x0230,实际电机速度和反馈一致。我感觉应该是配置问题,但一直找不到错误。

IICwrite10975(0x52,reg_MotorParam1,0x7f);
IICwrite10975(0x52,reg_MotorParam2,0x5b);
IICwrite10975(0x52,reg_MotorParam3,0x3a);//0x3a 200us
IICwrite10975(0x52,reg_SysOpt1,0x00);
IICwrite10975(0x52,reg_SysOpt2,0x58);
IICwrite10975(0x52,reg_SysOpt3,0xff);
//////IICwrite10975(0x52,reg_SysOpt4,0xff);
IICwrite10975(0x52,reg_SysOpt4,0x7f);
IICwrite10975(0x52,reg_SysOpt5,0xbc);
IICwrite10975(0x52,reg_SysOpt6,0x07);
IICwrite10975(0x52,reg_SysOpt7,0xf8);
IICwrite10975(0x52,reg_SysOpt8,0x0d);
IICwrite10975(0x52,reg_SysOpt9,0x0e);

这是我的配置,请问哪个设置有问题,谢谢。