Our handheld products use SD cards, but the speed is very slow: read 1MB/Sec, write 300KB/Sec. The product chip uses DM320, built-in SD controller, and the platform is embedded Linux. We have consulte...
[i=s] This post was last edited by bqgup on 2019-4-11 20:23 [/i] [postbg]3.jpg[/postbg][font=黑体][size=4] In Quartus II 9 software, in addition to using its powerful internal offline simulation functio...
The pins of the 2812 LQFP package are really abnormal. I want to expand an SRAM and find that the address and data lines are everywhere. It's too messy. I don't know how many vias I need to drill. In ...
[font=黑体][size=6][b]Sensor Introduction[/b][/size][/font] [font=微软雅黑][size=3]The PS/ALS sensor in the kit is RPR-0521RS, which is a highly integrated sensor that integrates infrared LED, proximity sen...
First of all, the arm software development environment rvds, arm7 or 9+jtag (14 pins), arm external nandflash, norflash, ram, ad can detect the chip id in the following situations. The first one is th...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[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]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
DSP and ARM Processors
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