stm32 /stm32n6 /STM32N655 /RCC /RCC_PLL3CFGR1

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Interpret as RCC_PLL3CFGR1

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0PLL3DIVN0 (B_0x0)PLL3DIVM0 (B_0x0)PLL3BYP 0 (B_0x0)PLL3SEL

PLL3SEL=B_0x0, PLL3BYP=B_0x0, PLL3DIVM=B_0x0

Description

RCC PLL3 configuration register 1

Fields

PLL3DIVN

PLL3 Integer part for the VCO multiplication factor

PLL3DIVM

PLL3 reference input clock divide frequency ratio

0 (B_0x0): Not applicable when PLL is enabled

1 (B_0x1): reference clock is divided by 1 (min value)

2 (B_0x2): reference clock is divided by 2

63 (B_0x3F): reference clock is divided by 63

PLL3BYP

PLL3 bypass

0 (B_0x0): PLL output is driven by the VCO, via the optional POSTDIV division

1 (B_0x1): PLL output is bypassed and driven by the PLL reference clock (default after reset)

PLL3SEL

PLL3 source selection of the reference clock

0 (B_0x0): hsi_ck selected as reference clock

1 (B_0x1): msi_ck selected as reference clock

2 (B_0x2): hse_ck selected as reference clock

3 (B_0x3): I2S_CKIN selected as reference clock

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