I can't get into my IIC interrupt, what's going on? PINSEL0 = (PINSEL0&0xFFFFFF0F) | 0x50; // Set I2C control port to be valid /* Set I2C interrupt to be enabled */ VICIntSelect = 0x00000000; // Set a...
For infrared communication, within a two-meter range, the transmission rate must reach 1Mb/s. I want to raise the carrier frequency of infrared transmission and reception to 20MHZ. I wonder if anyone ...
[font=楷体,楷体_GB2312][size=4]Based on my initial understanding of the development board, the development board itself already has a network module. At present, to complete the functions I expect, I need...
I have seen an article saying that "The Windows Media Player control that comes with the WinCE4.2 operating system is actually version 6.4, not version 9.0 as shown on its interface." I am using the S...
Dear brothers: I am using Atmel's AT91SAM9263, running WinCE6.0, but the official BSP has many bugs, and some tasks are very confusing. If anyone has used this chip and has the relevant BSP, please se...
Dear experts: I was working on the usbhost driver today and found that I could only load 2 devices and could not find the driver for the third one. The same is true for loading a USB flash drive. I wo...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
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]
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]
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]
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]
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]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[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]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]