SP（R13）
Special registers
LR（R14）
1. When a subroutine exists, the return address of the subroutine is saved
2. When an abnormal interrupt occurs, save the return address of the abnormal mode
...
Live broadcast collection
Award-winning live broadcast: ADI's smoke detector integrated solution based on ADPD188BILive playback:Click to watchLive Documentation:
Click to downloadLive QA:
1. What is ...
I accidentally discovered that the operating voltage range of a microcontroller is 5.5V-28V. This made me very curious in an era when 3.3V is the mainstream?I know that most automotive-grade MCUs are ...
The main new technology of the airbag system is to use weight sensors or infrared, ultrasonic and other sensors to determine the distance between the passenger and the dashboard, as well as the passen...
As shown in the picture, I use it on a motorcycle. The IO is connected to a 3.3V microcontroller. It works fine when it is just installed, but after two days of use, it is accidentally turned on. The ...
The battery management system is an important electronic control unit in hybrid electric vehicles. It has the function of ensuring the normal, reliable and efficient operation of the battery and is...[Details]
The concepts of intelligent driving and driverless driving were still new to most people a few years ago, but today, the development of these technologies has created many previously unforeseen poss...[Details]
Trends in UPS Design In the past two decades, uninterruptible power supplies have rapidly become popular with the widespread use of information equipment, and are widely used in the protection of in...[Details]
With the gradual popularization of electronic products such as smart phones and tablets, mobile power banks are also becoming more and more popular. Mobile power banks are like a portable power s...[Details]
Jump instructions are used to implement program flow jumps. There are two ways to implement program flow jumps in ARM programs: — Use dedicated jump instructions. — Directly write the jump address ...[Details]
The RAM area of the network card is shown in Figure 2. When we set PSTART and PSTOP, the receiving area is determined to be between 46 and 7F, and the remaining 6 pages are used as the sending buffe...[Details]
Lam Research Corporation recently launched three groundbreaking selective etching products:
Argos®, Prevos™, and Selis®.
Designed to complement and expand Lam Researc...[Details]
As a hardware developer, we often lose things while using them. Tweezers, pliers, screwdrivers, etc. are always the same. Recently, I added two oscilloscope probes. When it comes to changing the os...[Details]
ARM GNU Assembler Framework .section .data Initialized data .section .bss Uninitialized data .section .text .global _start _start: Assembly code Entry address Assembler Example //star...[Details]
China Energy Storage Network:
Based on local resource endowments, Sichuan plans to build a new power system with large-scale hydropower, wind and photovoltaic bases as the foundation, safe,...[Details]
As one of the top high-tech enterprises in China, Dongguan New Energy has invested a lot of money and manpower in research and development in the field of lithium-ion batteries. Its technology level ...[Details]
In the 2008 Zhejiang Province College Student Electronic Design Competition, there was a topic called "Music Player Design", which required playing music with 12 keyboards. One of the technical ind...[Details]
Micro supercapacitors can provide longer service life, high power density, fast charging and high reliability at 85°C to meet the energy storage needs in automotive electronic applications.
...[Details]
The influence of the core air gap on the magnetic induction intensity is a very important issue. How to choose the air gap is crucial. We might as well explain it further through a specific example...[Details]
MiR Fleet Enterprise is more than just a simple upgrade; it also brings modules that keep pace with customer needs and technological developments, as well as other advanced features.
Sha...[Details]
Microcontroller MCU
京公网安备 11010802033920号
EEWORLD
