Last time, I followed the tutorial and started developing the hello_world routine step by step. Because there were many steps involved, I didn't quite understand how it succeeded. This time, I will st...
#include STC15.H#define const_voice_short 20 //Duration of short buzzer call#define const_voice_long 140 //Duration of long buzzer call/* Note 1:* Adjusting the jitter time threshold can change the tr...
[align=left][font=宋体](II) Programmable frequency divider[/font][/align][align=left]In digital system design, clock signals with different frequencies are often required. They are usually several divis...
(1) Harvard structure: Programs and data are stored in different memories, and each independent memory is independently addressed and accessed.(2) Multi-stage pipeline: A DSP instruction (fetch, decod...
Author: Amelie ZhengAs the number of cars increases year by year, higher requirements are placed on vehicle management at regional entrances and exits, which has promoted the rapid development of inte...
According to an analysis report released by Choong Hoon Yi, CEO of UBI Research, BOE may surpass LG to become the second largest supplier of Apple's OLED screens by 2023. BOE recently stated that by ...[Details]
Tsinghua Unigroup announced that its controlling shareholder, Tibet Unigroup Communications, plans to transfer 347,295,413 shares of the company through a public solicitation transfer agreement, acco...[Details]
Future product lineup includes R-Car SoC using advanced chiplet integration technology and automotive MCUs based on Arm® cores November 8 , 2023 , Beijing, China - Renesas Electronics, a...[Details]
introduction
Cortex
-M3 is ARM's first microcontroller core based on ARMv7-M. It is very different from ARM7 in terms of instruction execution, exception control, clock management, trace d...[Details]
TMOD: Working mode control register Register address 89H is not bit addressable. Sequence B7 B6 B5 B4 B3 B2 B1 B0 Bit Notation GATE C/T M1 M0 GATE C/T M1 M0 GATE——Gating bit W...[Details]
According to data from China Southern Power Grid, as of February 11, China Southern Power Grid has resumed work and started construction of 13 infrastructure projects, of which 5 main grid and powe...[Details]
What precautions should be taken when testing LEDs with a multimeter? LED (Light Emitting Diode) is a semiconductor diode (a pn junction) that emits light when positive current flows from the LED an...[Details]
At present, the construction of smart cities is accelerating, and a series of smart applications such as smart medical care, smart education, smart communities, and smart homes are rapidly becoming p...[Details]
For the current development of new energy vehicles, intelligent driving has become another selling point that consumers are most concerned about when buying cars, after the three-electric system and ...[Details]
The startup code is a must for almost every arm program. When I first looked at other people's startup code, I felt confused, so lazy thoughts came to my mind: why should I write it when others have ...[Details]
There are many battery shapes that, unfortunately, allow users to incorrectly insert the battery. The simple circuit in Figure 1 gives a single-cell Li-ion battery charger added protection from da...[Details]
As an important tool for obtaining information, sensors play a significant role in industrial production, science and technology, etc. However, with the rapid development of microprocessor technolo...[Details]
The circuit is mainly based on the 2.4 GHz two-way wireless transmission module JF24C. This module realizes high-speed data transmission function with a small volume, with a maximum rate of 1 Mb/s, an...[Details]
0 Preface
With its advantages of "lightweight, environmentally friendly, low noise and low price", electric bicycles have become a common means of transportation and travel for people, bringing...[Details]
According to news on September 19, Apple’s iPhone 15 series reviews are officially lifted tonight. What everyone is most concerned about is the performance of the A17 Pro chip equipped in the iPhone ...[Details]
Linux and Android
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