Hello everyone, can someone explain to me why my S3C2440 temperature sensor driver can output normally if I use DS18B20 without connecting an external pull-up resistor, but cannot output normally afte...
BISS0001 is a high-performance sensor signal processing integrated circuit. The static current is extremely small. It can be equipped with a pyroelectric infrared sensor and a small number of peripher...
This manual is an introduction to the 8051 microcontroller software development tool from Keil Software. It is a user guide for new users and interested readers. Just reading this book will allow you ...
2440 implements multibin, FLASH is K9F1G08. After the generated xip.bin file is burned into FLASH, a file system exception occurs when running xipkernel. I checked in the .map file and it seems that t...
[i=s] This post was last edited by wo4fisher on 2018-9-3 17:02 [/i] [p=30, 2, left] I saw other friends sharing their experiences, progress, etc., and I was eager to get the board. However, I still di...
If you are programming the 5 series 430 with BSL, take F5438 as an example, define the connections as follows: 1.TXD P11; 2.TCK not connected; 3.RXD P12; 4.RST; 5.DGND; 6.DVCC (3.3V); 7.TST TEST;Chips...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]