[font=微软雅黑]Regarding DDR3, I have previously summarized how to perform DDR3 SW leveling and configure EMIF4 registers. [/font][font=微软雅黑]However, during debugging, if you need to locate DDR3 problems,...
Recently I saw a friend asking online how to send a string of Chinese characters from a microcontroller to a computer. In fact, this question is not difficult. Haha. Just set the relevant parameters b...
Mainly using EX8900CE clock chip, connected with stm32l071 to form a test circuit, I would like to ask how to start outputting the perpetual calendar in the clock chip through I2C, using the tool IAR...
I am using CCS5.5, and the routine I opened is HVPM_Enhanced_Sensorless_2803x in HVMotorCtrl+PfcKit_v2.1 in controlsuite. During the start or run, I cannot assign values to SPIA (SpiaRegs) and SPIB (S...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
The number of timers/counters and interrupt sources directly determines the performance of the microcontroller. The MCS-51 microcontroller has two programmable 16-bit timers/counters and five inter...[Details]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[Details]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
Central topic:
Basic concepts of GSM mobile phones.
Considerations in design and debugging of mobile phone power amplifiers. Considerations in mass production testing of mobile ...[Details]
Some industrial applications require a
three-
phase supply to be fed into a low-power dc/dc converter that may have to handle 200V or 400V effective line-to-line voltages. In addition, the...[Details]
Due to the ultra-large scale of the distribution network and the low cost, wide coverage and convenient deployment of power line communication. Power line communication provides an excellent device in...[Details]