rcc+pllcfgr+pllm+pos

2025-04-28 04:08:59

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STM32入门:RCC与GPIO实验及配置详解

那么上面的指令就是干了·这些事:首先加载0x40021004到R0,再从0x40021006处加载一个字节,这个字节相当于RCC_CFGR的[23:16],然后将读取到的原值,将该值与0xD1进行或运算后写回原处。结果就是这几位:PLLMULL[3:0]被置位0111,PLLSRC被置位1。随后,又从0x40021005处加载一个字节,这个字节相当于RCC_CFGR的...
STM32F4深入学习【RCC】 - STM32/STM8单片机论坛 - ST MCU意法...

系统时钟由HSI时钟、HSE时钟、主PLL时钟三者之一来驱动同时，MCU可接入**32kHz低速内部RC(LSI RC)驱动...
stm32f4xx_hal_rcc.c line:545 check RCC_PLLCFGR_PLLP registers...

= RCC_OscInitStruct->PLL.PLLSource) || (READ_BIT(pll_config, RCC_PLLCFGR_PLLM) >> RCC_PLLCFGR_PLLM_Pos != RCC_OscInitStruct->PLL.PLLM) || (READ_BIT(pll_config, RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos != RCC_OscInitStruct->PLL.PLLN) || (READ_BIT(pll_config, RCC_P...
stm32h7xx-hal-driver/Src/stm32h7xx_hal_rcc.c at 6f5e35e30ac09...

Provides the STM32Cube MCU Component "hal_driver" of the STM32H7 series. - stm32h7xx-hal-driver/Src/stm32h7xx_hal_rcc.c at 6f5e35e30ac09ba7bf44139a97b289d3df53cf9c · STMicroelectronics/stm32h7xx-hal-driver