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Caution: during the pll clock operation – FUJITSU MB91460 SERIES FR60 User Manual

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Chapter 1 Introduction

1.How to Handle the Device

Caution: during the PLL clock operation

Even if oscillator is disconnected or input is stopped while selecting PLL clock, self-excited oscillation circuit in the PLL
may continue running at self-running frequency. This self-running operation is not covered by guarantee.

For more specification about operating voltage, see the latest data sheet.