STG4K3_PLL_SCALER
ulScaleClockReq = coreClock >> STG4K3_PLL_SCALER;
F = (u32)(ulTmp / (refClock >> STG4K3_PLL_SCALER));
#define STG4K3_PLL_MIN_VCO_SC (100000000 >> STG4K3_PLL_SCALER) /* Min VCO rate */
#define STG4K3_PLL_MAX_VCO_SC (500000000 >> STG4K3_PLL_SCALER) /* Max VCO rate */
#define STG4K3_PLL_MINR_VCO_SC (100000000 >> STG4K3_PLL_SCALER) /* Min VCO rate (restricted) */
#define STG4K3_PLL_MAXR_VCO_SC (500000000 >> STG4K3_PLL_SCALER) /* Max VCO rate (restricted) */