dsp的有些寄存器，比如WDCR寄存器没有进行位定义，例程里说 No bit definitions are defined for WDCR because the proper value must be written to the WDCHK field whenever writing to this register.
没有对SCSR进行位定义是 No bit definitions are defined for SCSR because a read-modify-write instruction can clear the WDOVERRIDE bit
求大神解答！