Please don't misunderstand when you see the picture, this is a failed test just like SPI! Failed test!
I didn't want to write this originally, but I thought since it's a test, I should record the test...
[i=s]This post was last edited by damiaa on 2020-9-4 12:15[/i]Everyone is discussing domestic MCUs very enthusiastically. I wonder which domestic MCUs are better than EMC?
The CPU's peripheral EMC cir...
The Pain of Zhongguancun How did Zhongguancun lose its status as a “technology center”?In 2004, the development of China's high-tech industry reached a turning point: China's high-tech industry was in...
Analog video signals are mixed with DC power for transmission
Using a non-differential transmission method, the video signal is mixed with the power supply for transmission, and the receiving end sepa...
Efficient use of power is at the core of electronic device design.
From 5G base stations, phased array antennas, data centers and vehicles to tablets, smartphones and video doorbells, designers know t...
On March 20, the signing ceremony of the strategic cooperation agreement between Neijiang Municipal People's Government and Provincial Natural Resources Investment Group was held in Neijiang Ci...[Details]
On November 8, Nexperia signed an agreement with Vishay, a company listed on the New York Stock Exchange, to sell NEPTUNE 6 LIMITED (hereinafter referred to as "NEPTUNE"), the parent company of Newpo...[Details]
On March 7, TrendForce research showed that in the PC or server field in 2022, both Intel and AMD will launch new CPUs that support the DDR5 generation. Therefore, memory suppliers led by Korean manu...[Details]
According to foreign media reports, a whistleblower said on social media on Monday local time that Apple will launch a Mac Pro equipped with an upgraded version of its self-developed M series chips i...[Details]
On the morning of June 26, the topping-out ceremony of the first phase project of Hefei Payton Storage Technology Co., Ltd. was successfully held. It is understood that after reaching an investment a...[Details]
SPI can work as a master or slave device and can support multiple masters and slaves on the same bus. SPI mainly uses
three signals.
(1) Master Output, Slave Input (MOSI)
is used for s...[Details]
1. Function: To measure the temperature. When the temperature reaches or exceeds the set temperature, the buzzer will sound an alarm. 2. Performance indicators: Temperature range: -40℃~300℃, resoluti...[Details]
1. Clock architecture
Simplify it as shown in the figure:
1.1.Clock source selection
There are two clock sources for S3C2440:
External crystal oscillator (OSC)
...[Details]
In less than five months, Venezuela has suffered four major nationwide blackouts, with more than 90% of the country plunged into darkness. Government departments once again attributed the blackouts...[Details]
The standard 51 is 12T, which means 12 clock cycles (crystal oscillator cycle, for example, 12M, the cycle is 1/12M, unit is second), the machine does an instruction cycle, exactly 1/12M*12=1uS, comm...[Details]
Seeing that many people have added wireless receivers to their phones and turned them into wireless chargers, I was eager to try it, but the object of my modification is a power bank. I believe thi...[Details]
August 23, 2021 – Mouser Electronics, the premier New Product Introduction (NPI) distributor with the widest selection of semiconductors and electronic components, is now stocking the Qorvo® QPD00...[Details]
1. Function positioning:
If you want to place the function int BIN2HEX(int xx)
{
...
} in the C source file tools.c
at 0x1000 in CODE MEMORY, compile the project first, then open the M51 file ...[Details]
The first step is to open stm32f10x.h and change #define HSE_VALUE ((uint32_t)8000000) /*! Value of the External oscillator in Hz */ change into: #define HSE_VALUE ((uint32_t)12000000)...[Details]
1. What is ripple?
Ripple is defined as the AC component superimposed on the DC stable quantity in a DC voltage or current.
It has the following main harms: it is easy to generate harmonics ...[Details]