where the source clock is chosen to be the maximum such that PCR_CNT<{circumflex over ( )}224???1, and N is a positive non-zero integer in the range RoundUp ??? ( MBS * PCR SCR ) < ??? = N < ??? = ( 2 10 - 1 ) ??? SOURCE ??? ??? CLK ??? ??? FREQ PCR_CNT ??? SCR .