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DM6437 TMS320DM643x DMP DSP Subsystem6.4.2节中 i2c时钟的相关设置求教



TMS320DM643x DMP DSP Subsystem(SPRU978E)中

1.  第三条的值,为何在我PSC_PTCMD = 0x1时,打断点仿真器输出的值还是0不发生变化?

2.  第一条和第四条都是置0,操作的作用区别是?

3. 如果在第一条的寄存器置零,是否影响第三条的寄存器置1 ?