http://amitesh-singh.github.io/stm32/2024/06/17/overclocking-blue-pills.html WebSTM32, CMSIS, CAN, Часть 1 — передача / Хабр. Дано: Скорость передачи, bps = 250 кБит/с. Точка захвата на 87,5 % длины бита, sp = 0,875. Частота шины APB1, f_APB1 = 36 МГц. Решение: Знаем, что длительность бита равна: (x+y+1)*t_Q ...
Stm32学习笔记，3万字超详细_TheBszk的博客-CSDN博客
WebAdditionally, this function is responsible for setting the three internal variables rcc_ahb_frequency, rcc_apb1_frequency, and rcc_apb2_frequency. Those frequencies, … WebHigh Speed Internal Clock signal，高速内部时钟信号，出厂校准的8MHz内部RC振荡器。 LSI： Low Speed Internal Clock signal，高速内部时钟信号，带有校准功能的40KHz的内部RC振荡器。 RTC： Real Time Clock实时时钟，用于带有年、月、日、小时、分钟、秒钟的计 … shorten my words
System AHB and APB busses clocks configuration functions
WebStep One: Establishing Baseline Performance. The first step in the overclocking process is measuring the baseline performance of your system with a benchmarking utility. This will … WebMar 21, 2013 · Регистр RCC_APB1ENR (APB1 peripheral clock enable register) RCC->APB1ENR = RCC_APB1ENR_PWREN RCC_APB1ENR_LCDEN; или RCC->APB1ENR = 0x10000200; /* 0x10000200=1 0000 0000 0000 0000 0010 0000 0000 */ Для работы контроллера ЖКИ необходимо указать источник тактовых сигналов. WebJan 22, 2015 · In case of any STM32F4xx Discovery board, select PLL_M = 8. This will divide input clock with 8 to get 1MHz on the input for PLL. If you don’t use external clock, then this value MUST be set to 16, because internal RC will be used for PLL. Now you can expect top speed for your device. Some informations about Nucleo boards: Nucleo boards don ... shorten my text