The SDK I made before, installed fine in EVC. The day before yesterday, I changed the system to WIN2000 and installed EVC++SP4. But today, when I installed the previous SDK, it prompted an error sayin...
SPCON (Special Port Control Register ) bit description is as follows: ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ........................................... LCD_SEL [1:0] Select LCD ...
Abstract : This paper introduces a new PWM output method. It uses 89C51 as the main control part and 8254-2 programmable timer/counter to achieve 1Hz~3kHz step-by-step PWM output. It has the advantage...
Hello everyone, I only have one chip select for flash, but the flash is single chip with dual chip selects, how can I implement the driver? Can you give me some ideas?...
When reading the code of tinyx (I downloaded xorg-server-1.4), I wanted to understand how it initialized the mouse, keyboard and other devices, and found the following code: void InitInput(int argc, c...
I usually use MCU and DSP to control motors, and often use PWM edge alignment mode. I have always been confused about a question: What is the practical significance of PWM edge alignment and center al...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[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]
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]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[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]
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]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]