I want to use 89c54 to generate 100khz square wave. I'm using 11m crystal, but when I use a timer to calculate the initial value, the frequency emitted is quite different from the calculated value, an...
Program implementation results:Use an SPI of stm32 to read the content in spi flsh using DMA, and then use usart1 dma to send the read data to the PC, baud: 115200;Selected FLASH: W25X40 4M bitCircuit...
Let eboot download NK through USB, has anyone realized it? Give me some tips! I use nboot+eboot startup mode, and I also read some information on the Internet. The problem is mainly due to interrupts....
[i=s] This post was last edited by wt11yn on 2015-6-1 12:25 [/i] In Tim Green's book, Chapter 8, Figure 8.31, I connected Cn to GND instead of the midpoint of R1/R2, so that the Zn network looks like ...
The wireless network card 8686 chipset interface uses PXA270 and USI. The SPI is used. Through the printed information, it can be seen that there is always an error when reading the chip ID: Chip(exp,...
In the control of brushless DC motors (BLDC), Lead Angle is often used, whether for sensored or sensorless motors. Because the motor coil is an inductive load, the current in the coil will have a cert...
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
A vacuum eutectic furnace is a critical piece of equipment used in the manufacturing and processing of various materials, particularly in the fields of microelectronics and nanotechnology. One of t...[Details]
introduction
Bluetooth technology is a short-range wireless communication technology designed to replace wired cables. It is a wireless communication technology standard developed by the SIG, ...[Details]
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
According to foreign media reports, Nissan Motor has recently reached a cooperation with US battery technology company LiCAP Technologies to jointly promote the research and development of next-gen...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
Over the past decade, the narrative surrounding fuel vehicles has been one of decline and replacement. Under the onslaught of new energy vehicles, traditional automakers have been forced to acceler...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
With the gradual popularization of new energy vehicles in recent years, more and more people have been able to access and purchase electric vehicles. The structure of electric vehicles is composed ...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
MCU
京公网安备 11010802033920号
EEWORLD
