MSP3430_DSP_VOL_MAIN
SetRegister(MSP3430_WR_DSP, MSP3430_DSP_VOL_MAIN, 0x7300);
SetRegister(MSP3430_WR_DSP, MSP3430_DSP_VOL_MAIN, 0x0000);
SetRegister(MSP3430_WR_DSP, MSP3430_DSP_VOL_MAIN, fVolume);