48 pins, no external crystal. 3.3V power supply. A friend said to turn off XT. I debugged and found that the XT pin is used for GPIO. The peripheral devices are disconnected. There is a 43K pull-up on...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:41[/i] When you get the latest chip, what parameters do you care about? How do you consider these parameters when designing the circuit?...
Simple basic applications are OK, but in terms of stability, sometimes when reconnecting, the reconnection task will be blocked in netconn_connect. Sometimes the network cable and PC are normal, and n...
With the increasing popularity of family cars, car anti-theft has gradually become a hot topic among car owners. Common anti-theft devices on the market have the following disadvantages: 1. Noise nuis...
[size=3][b]Construction goals and charging pile costs[/b][/size][p=25, null, left][color=rgb(62, 62, 62)]The country's strategic demands for the new energy vehicle industry are very clear, and the pol...
1. Start Open the website: https://dev.ti.com/, which is the entry point for all official development board support. You can get the latest development tools, documents, materials and information. 1.1...
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[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]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[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]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[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]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
SL11R is a 16-bit RISC microcontroller with a USB interface produced by Scanlogic. Its core processing speed reaches 48MIPS. It has rich hardware resources and 32-bit programmable I/O ports, and ca...[Details]
Microcontroller MCU
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