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S12ZVL internal Oscillator PLL

Question asked by RAJIV BANDODKAR on Jul 20, 2016
Latest reply on Jul 20, 2016 by Radek Sestak


Are there any the limitations of using internal 1MHz oscillator to get highest Bus frequency (32MHz for S12ZVL)? On my board I am not able to go above 16 MHz bus Freq.  With NXP's TRK-S12ZVL, I cannot go beyond 25MHZ. To me looks like some issue in the layout, but even with TRK-S12ZVL board (will surely be multi layer board) why not possible to achieve 32MHz Bus. Any special precautions?