3EQHM572-A-23.990N-D1.9

Memory Bank Design and Control  S3C44B0X has 6 groups of ROM/SRAM (ROM0 group is Boot ROM) and 2 groups of ROM/SRAM/FP/EDO/SDRAM. System management in S3C44B0X can control the access time and data ...[Details]

      Recently, according to foreign media reports, a 19-year-old Iowa girl, Victoria O'Connor, successfully recovered her stolen car with the help of the "Find My iPhone" feature of the iPhone. 　　It...[Details]

555 internal electrical schematic diagram 　　We know that 555 circuits can be generally classified into three categories in terms of application and working mode. Each type of working mode has many...[Details]

　　I recently helped a customer set up a WAF (Web Application Firewall). The WAF vendor required that multiple public IP addresses be set up on the load balancer. The architecture is as follows: 　　 　...[Details]

At present, facing the pneumonia epidemic caused by the novel coronavirus, people across the country have either volunteered to go to the battlefield or taken the initiative to isolate themselves, ...[Details]

Jiwei.com reported on April 1 that at the just-concluded spring new product launch conference, Skyworth launched the world's second 8K OLED TV W92 and Skyworth's first deformable OLED TV W82. With ...[Details]

China Energy Storage Network News: From April 24 to 26, 2017, the 7th China International Energy Storage Conference was successfully held at the Shangri-La Hotel in Suzhou. More than 1...[Details]

iPhone users are more likely to get matches than Android users on popular dating apps, a new study has revealed - and if you use a BlackBerry, you have little hope of getting a date. According to t...[Details]

      OnePlus has announced a successor to last year's budget-friendly Buds Z, and while the new Buds Z2 look exactly like the originals, they offer significant upgrades, most notably active noise ca...[Details]

The U.S. Department of Energy estimates that about 6 billion gallons of fuel are wasted each year in the U.S. because vehicles wait at traffic lights or leave their engines idling in heavy traffic. A...[Details]

Since last year, the global PC market has seen an upward trend for the first time after years of silence and decline. The main reason is that the demand for working from home brought about by the COV...[Details]

The MCS-51 microcontroller has multiple interrupt sources. Taking 8051 as an example, there are 5 interrupt sources, two external interrupts, two timing interrupts and one serial interrupt. In this...[Details]

How to enable and disable interrupts in 8051 and how to set priorities (1) The interrupt source raises an interrupt request, and the interrupt control permission control decides whether to respond to...[Details]

#include avr/io.h #include avr/interrupt.h #include inttypes.h #include avr/delay.h #include avr/signal.h #include "scancodes.h" #include "74c922.h"   #define GETPSDATA()  ((PIND PIND7)&0...[Details]

The inductor of a switching power supply is an important component of a switching power supply device. It works on the principle of electromagnetic induction. Its function is to block AC and pass DC,...[Details]