Precautions For Pll Frequency Synthesizer - Renesas M16C/60 Series Hardware Manual

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M16C/6N5 Group

1.2 Precautions for PLL Frequency Synthesizer

Make the supply voltage stable to use the PLL frequency synthesizer.
For ripple with the supply voltage 5 V, keep below 10 kHz as frequency, below 0.5 V (peak to peak) as
voltage fluctuation band and below 1 V/mS as voltage fluctuation rate.
Rev.1.00 2003.05.30 page 2
1.2 Precautions for PLL Frequency Synthesizer