I put my 6410 into hibernation and then woke it up. For less than 1 second, the screen showed the image before it went into hibernation. It seems that the video memory was not refreshed and the backli...
Using vivi, it shows booting the kernel but nothing happens: The details are as follows vivi> boot Copy linux kernel from 0x00030000 to 0x30008000, size = 0x001d0000 ... done zImage magic = 0x016f2818...
Since the clocks of the transmitting and receiving ends are from different sources, clock synchronization, i.e. code synchronization, is required. I used an early-late gate to achieve code synchroniza...
In the simple oscilloscope experiment in the previous article, when observing the waveform of the AC linear low-voltage power supply, what I saw was a regular undulating approximate straight line, ins...
For more information, please visit [color=red]bbs.getsoon.com.cn[/color] [b][size=3]NEC 78K0/KE2 Pulse Width Measurement (16-bit Timer/Counter 00)[/size][/b] Program function: Use TM00 counter to simu...
IC Design 1. Manager /Sr. Manager Master degree or above, more than 7 years, MLC/SLC, English proficient, Shanghai, salary open 2. Sr/Staff/Sr. Staff Design Engineer, Master degree or above, about 5 y...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]