Is there anything special about the 9B90 C3 PB0 port?
Why can the external pull-up only go up to 1.3V in input mode?I hope experts can give me some advice!...
[i=s] 本帖最后由 dontium 于 2015-1-23 13:39 编辑 [/i]IntroductionNewer high-speed ADCs e outfittedwith a large analog-input bandwidth (aboutthree to six times the maximum samplingfrequency) so they can be use...
mSATA (mini-SATA) is a mini version of SATA interface. Its appearance and electronic interface are exactly the same as mini PCI-E, but the electronic signals are different and the two are incompatible...
int main(void){// disable JTAG port DDPCONbits.JTAGEN = 0;
//T2 interrupt initializationSEI(); //Turn on general interruptIFS0bits.T2IF=0;//Clear interrupt flagIPC2bits.T2IP=5;//Set interrupt priority...
In view of the fact that there are some unstable factors in the power circuit, the circuit designed to prevent such unstable factors from affecting the circuit effect is called a protection circuit . ...
I have been working on embedded systems for a year and a half. I have been adding functions, modifying UI and drivers based on others. I want to work on wireless systems, but I don't know how to start...
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]
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]
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]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[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]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[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]
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]
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]
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]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[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]