Principle of Sense Amplifier in SRAMIn SRAM, before the read operation begins, the two bit lines must be precharged and initialized to the same high level. After precharging, the memory cell selected ...
1. What is the inverted state of a transistor? Whenthe collector junction is forward biased and the emitter junction is reverse biased, it is an inverted state; when the collector junction is forward ...
Reference topics for the 2019 TI Cup National Undergraduate Electronic Design CompetitionDynamic wireless charging system for electric carsLine patrol robotLine load and fault detection deviceSimple c...
1. Serial port downloading of DSP programs.This method can save a lot of money on buying emulators. Is there anything special about this circuit? How is it different from the general serial communicat...
From the beginning of the project to the first half of the project, I always thought that the focus of the project was on the power supply processing and communication method selection of the modified...
7905onsemi and Avnet IoT Innovation Design Competition
As the title says, the school wants to purchase a circuit board engraving machine for teaching and training students. It should be able to process commonly used SMD component printed circuit boards. I...
When IAR optimization level is set to the highest, the compiler will directly optimize the following delay functions when they are called, and the delay effect cannot be achieved. void delay_n_ms(u...[Details]
K60 can use almost any GPIO as an external interrupt
To use external interrupts, you need to configure the registers and write the interrupt function.
Here I use pin 19 of port A as the key...[Details]
Turning interrupts off and on
Interrupt is an efficient dialogue mechanism, but sometimes you don't want to interrupt the program during execution, such as when printing something.
, but ...[Details]
Commonly known as megohmmeter, it is used to measure large resistance and insulation resistance. Its measurement unit is megaohm (mω), so it is called megohmmeter. There are many types of megohmmeter...[Details]
Tianfeng International analyst Ming-Chi Kuo has published the latest Apple research report. He predicts that Apple will release the second-generation AirPods Pro in the fourth quarter of 2022. ...[Details]
Abstract: The development of microelectronics technology and the demand for industrial measurement have given portable instruments a good development prospect. Portable instruments are small in siz...[Details]
Since I was in high school, the meal cards used in our school have been contact-type IC cards. There are also many IC card phones distributed on campus. After going to college, the campus cards used ...[Details]
1. System Principle
RS-232 interface
Also called a serial port, asynchronous port or a COM port, it is an interface between DTE (data terminal equipment) and DCE (data communication...[Details]
Contents The invention belongs to the field of flow measurement equipment, and in particular relates to a thermal flow meter. Background of the Invention A thermal flow meter is a tool that uses th...[Details]
1. Experimental Purpose 1. Understand the use of power supply, measuring instruments and digital multimeter; 2. Master the methods of measuring resistance, capacitance, voltage and current; 3...[Details]
Baidu's investment in the field of smart cars is becoming more targeted. Among China's Internet players, Baidu was one of the first to become famous and was also one of the first to engage in inves...[Details]
For products, packaging seems not so important. Unless you are giving it to your loved ones, it only plays a protective role. However, with the emergence of smart packaging, packaging has more functi...[Details]
At the analyst conference a few days ago, AMD announced the roadmap for the next-generation CPU/GPU. Starting with this year's Zen4 architecture, AMD's process will be upgraded to 5nm and improved 4n...[Details]
UltraSoC has announced plans to significantly expand its global operations to meet new opportunities in the secure, high reliability and high safety systems markets. This latest expansion follows the...[Details]
Mobile and portable
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