Let me share some information about the general configuration of IO pins when STM32 is in low power state.
1. Configure unused GPIO inputs as analog inputs
A GPIO always has one input channel, which c...
STM32 uses an internal oscillator. When debugging the code that used to work, I found that it always died in the HAL_RCC_OscConfig function of the stm32f0xx_hal_rcc.c file. The following code was repe...
Preface
I have never used silicon chips before, and I know nothing about this brand. I remember it was a gecko logo. I was lucky enough to participate in the review this time, so I started to understa...
Question 1: When performing trigonometric operations, which method is faster? I am currently using cossp in c67fastMath downloaded from the official website, but the time it takes is about six times t...
Abstract: The COOLMOS ICE2A165/265/365 series chips launched by Infineon Technologies (IT) are PWM+MOSFET two-in-one chips. Their advantages are: using it as a switching power supply, no heat sink is ...[Details]
Recently, the 2019 China Automobile Industry Development (TEDA) International Forum was held in Tianjin. Leaders of relevant ministries and commissions expressed their views on key topics such as the...[Details]
In this section, we continue to debug the hardware circuit, test whether PCF8563 is normal, read the time, and then display it on the digital tube. The driver of 8563 is searched and then modified. T...[Details]
At the 2019 Supercomputing Conference, Intel launched a new software industry program, oneAPI, to help fully unleash the potential of multi-architecture computing in the era of the integration of hig...[Details]
Fluke's new 730G intelligent digital pressure calibrator comes with Hart communication function and is matched with a pressure calibration pump to achieve efficient and accurate measurement and calib...[Details]
Since BYD and CATL started the game on the safety of ternary batteries, many domestic car companies have worked hard to end the results of the thermal diffusion test of needle puncture within a certa...[Details]
Emitter Static Bias Circuit of Common Emitter Amplifier
The emitter static potential and bias voltage forming circuit (i.e., voltage follower) of the common-emitter amplifiers V502, V504, and V...[Details]
Abstract: DS18B20 is a new single-line digital thermometer produced by DALLAS Company in the United States that can completely replace DS1820. The article introduces the performance structure of...[Details]
Driven by the trend of digitalization, cars are transforming from a mechanized means of transportation to a mobile terminal that is interconnected with various ecosystems. Customers' expectations for...[Details]
Looking at the global mobile phone market, mobile phones of various styles and prices have made this market saturated. However, according to research data from Displaysearch, the global mobile phone m...[Details]
According to foreign media reports, a new type of battery system, switchable batteries, is expected to charge electric vehicles directly with renewable energy. Kannappan Chettiar, founder of battery ...[Details]
The generation mechanism of electromagnetic interference of switching power supply
The interference generated by the switching power supply can be divided into two types according to the type of ...[Details]
When the "HD storm" of megapixel network cameras swept the video surveillance market, analog cameras, which have a dominant position in the video surveillance market, also began to improve their im...[Details]
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Introduction
In recent years, with the in-depth development of the market economy and the continuous improvement of people's living standards, textile technology has been continuou...[Details]
Prerequisite: The computer has installed the keil5 environment (MDK-Arm) first step Go to the Keil official website https://www.keil.com/download/product/ to download C51 Step 2 Just double-click...[Details]
Analogue and Mixed Signal
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