－－－－－－－－－What to do when an ARM exception occurs and when an ARM exception returns－－－－－－－－－－ A: When an exception occurs, the steps performed by the ARM microprocessor are: 1> Store the address of the...
if(flag_1s==1) { tmp=T0count*65536+TH0*256+TL0 } Why is the pulse count for one second tmp=T0count*65536+TH0*256+TL0, not T0count++ for every interrupt?...
[i=s]This post was last edited by yaohongxia0903 on 2019-8-1 22:14[/i]VAS5176 is a 8.5V-24V input, highly integrated switch-type lithium-ion/polymer battery charging chip that regulates 2A charging cu...
When we design a small PLC control system, we often need to change the data inside the PLC externally, such as the value of Counter, Timer or Data, to meet the needs of the production process. And it ...
When talking about Chinese chips, Ni Guangnan is indispensable. Let’s learn more about the relevant content with the embedded editor.
Since he co-founded Lenovo in 1985, Ni Guangnan has been s...[Details]
Profit growth of 85% in 2017, target revenue of 12.5 billion yuan in 2018: The company released its 2017 annual report, achieving revenue of 8.886 billion yuan, a year-on-year increase of 48.01%; prof...[Details]
Recently, the "Smart Photovoltaic Industry Development Action Plan (2018-2020)" jointly issued by six departments has put this concept on the forefront. Photovoltaic smart solutions will become the ne...[Details]
I encountered a problem when debugging the STM32 system clock setting: TIM2 timing 1Ms, TIM2 interrupt service function time++, LED state changes when time=100. After the program runs, I found that t...[Details]
The frequency calculation formula of the PWM wave generated by the output comparison mode of the timer is: 72M/((2*(arr+1))*(psc+1) ) For example, if you set: PWM_Init(1000-1,72-1); (PWM_Init(arr,psc...[Details]
Microcontroller programming: Find the maximum number and store it in the BIG unit. Assume that the internal RAM stores a group of unsigned numbers starting from the LIST unit, with the number of data...[Details]
First of all, let's talk about the 19264 screen The 1926 screen is composed of 3 64*64, 64 rows and 192 columns, of which 192 columns are 64+64+64 = 192 They have CS1 CS2 CS3 controls respectively ...[Details]
The following is a software simulation PT2272 decoding program, which is simply posted here for your reference. Software decoding program (simulation PT2272) ; ;The crystal frequency is 11.0592MHz...[Details]
Xiaomi has always been active in the mobile phone industry as a "disruptor". Xiaomi has attracted a large number of users with its cost-effectiveness, but it has also been labeled as "loser" and "l...[Details]
The technical collaboration with Swedish battery manufacturer Northvolt will focus on developing system design solutions to integrate energy storage into wind and hybrid power plants.
Vest...[Details]
introduce This application document describes the Atmel? ATMEL MCU, CPLD download line interface; the interface for online programming of AT89SX microcontroller using AT89SISP programmer. AT89ISP s...[Details]
There are many special chips for remote control transmitters, which can be divided into two categories according to the encoding format. Here we will use the one that is more widely used and easie...[Details]
Recently, Foton Auman hydrogen fuel cell buses were highly praised by the Canadian Prime Minister and attracted numerous fans. Foshan held the "Second International Exchange Conference on Hydrogen ...[Details]
Each ADC module of STM32 can switch to different input channels and perform conversions through the internal analog multiplexer. STM32 has specially added a variety of group conversion modes, which c...[Details]
These days I have been doing an experiment on how to use 32V to drive a motor through an electronic regulator. After searching online, I found that there is very little information on this subject. A...[Details]
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