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STM32H7 PLL minimum input frequency

Question asked by Uwe Bonnes on Oct 18, 2017
Latest reply on Oct 18, 2017 by Nesrine M

Hello,

 

STM32H743 datasheet Rev. 2  in chapter 6.3.10 PLL characteristics tells 2 MHz minimum PLL input clock (f (PLL_IN)). Reference manual RM0433 Rev 3 in chapter 8.5.5 "PLL description" tells about a low frequency VCO(VCOL) for input frequencies 1 to 2 MHz. Pleas resolve this inconsistancy.

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