[root@cdwx /]# ./led_test Unhandled fault: external abort on non-linefetch (0x018) at 0x76101040 Bus error The above error occurs when executing the program on the arm side. Please give me some advice...
画中画广告开始Luxurious MCU development system 498 yuanFor stable video output:S3C2410 ARM9 development board 780 yuan DSP5402 learning development board II 200 yuanSummer discount: S3C44B0 development board...
I am learning how to operate the registry, but I still don't understand a question. What can the registry do? I also know that many applications, drivers, and system configuration information are stor...
This is a repost. I have been an entrepreneur for 10 years, and I have experienced 9 failures and 1 survival. I have taken advantage and suffered losses, worked hard and been lazy. I am very sad to se...
I was inspired by this video.http://www.56.com/u45/v_NjgzMzc0MDI.htmlBased on the video, I guessed something. Set IO as input, open drain, and connect a 1M resistor. When a person touches IO with one ...
I am currently doing a pre-research project, the hardware platform is SAMSUNG S3C2443, I have been doing BSP development for 2440 for two years, OS is WINCE5.0, now I jump to 2443, I am not sure, main...
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
1. Project Introduction
Beijing Benz-Daimler Chrysler Co., Ltd. is a joint venture between Beijing BAIC Group and Benz-Daimler Chrysler. In October 2005, it started to build a new automobile ...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
1 Overview
As a driving power source, the new battery has a range of more than 200 km within the acceptable weight range of the mass market, which provides an important way for power batteries...[Details]