/DIVA1,0=0:ACLK divider number=1
//XTS=0:LFXT1 low Freq. XT2OFF=0:XT2 Oscilator ON,XT5V=0: should always be reset
/*BCSCTL1 = DIVA_0 + RSEL2 + RSEL1 + RSEL0;//0Xx87;;
BCSCTL1 &=~ (XT2OFF + XTS + XT5V);
//SELM1,0=2:MCLK source select DCOCLK, DIVM1,0=0:MCLK divider number=1,
//SELS=0: SMCLK resource select XT2CLK, DEIS1,0=0:SMCLK divider number=1
//DCOR=0: Internal resistor enable(DCO start)
BCSCTL2 = SELS + DIVS_0 + SELM_0 + DIVM_0;//0x08;
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