CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Operating Conditions
VDD . . . . . . . . . . . . . +9.5V to +10.5V
VCC . . . . . . . . . . . . +4.75V to +5.25V
Operating Temperature Range . . . . . . . . . . . . . . . . -55
[i=s] This post was last edited by azhiking on 2014-11-18 21:52 [/i] Since the evaluation board has an IO port expansion, you can only choose between hardware SPI and I2C. Since the speed of I2C is re...
UART, I2C and SPI are the three most commonly used communication protocols in microcontroller systems. We have already learned the UART and I2C communication protocols. In this class, we will learn th...
[size=4][color=#ff0000][b]Bidding dynamics: [/b][/color][/size][size=4][color=#ff0000][b] Starting price 1000 core coins[/b][/color][/size] [hr][size=4] This event is supported by [url=https://bbs.eew...
Help!!! I'm debugging a WinCE project recently, just learning for fun! ~ When selecting components, under Device Drivers, when I select sd and sdio, there are two single options under sd: legacy SD Bu...
LCD general timing design:please see the original post: [url=http://www.cnblogs.com/fishplj2000/archive/2012/02/29/2373465.html]http://www.cnblogs.com/fishplj2000/archive/2012/02/29/2373465.html[/url]...
[i=s]This post was last edited by Xinghuayu on 2016-8-23 17:37[/i] [size=4][font=宋体]Create a new Keil project (HAL library) for STM32F7. I used[/font]STM32F7-Discovery.[font=宋体]I saw the post[/font][u...
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]