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 ...
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 ...
I won’t say who it is specifically, but I can only say that it is one of the best suppliers in the domestic industry.We used to work with suppliers in Taiwan, which are among the best in the global in...
Weebit Nano recently launched Weebit Resistive RAM (ReRAM), a non-volatile memory (NVM) that can replace flash memory. Compared with flash or other NVM, it has higher performance and better security,...[Details]
AT89C2051 single-chip microcomputer ultrasonic ranging system single-chip microcomputer main control chip uses 51 series AT89C2051 single-chip microcomputer, which has stable working performance and i...[Details]
This article introduces the usage and precautions of several instruments commonly used by electricians, mainly including a brief introduction to multimeter, ohmmeter, voltmeter, ammeter, resistance...[Details]
On November 16, based on its groundbreaking electro-hydraulic brake system MK C1, technology company Continental developed the MK C2, which provides higher availability and performance while achievin...[Details]
First install ADS1.2, which is mainly used to compile and debug programs for ARM processors. All the source programs below will be compiled by ADS and eventually linked into executable files, i.e. .b...[Details]
As the world's requirements for environmental protection and energy efficiency become increasingly stringent, new energy vehicles have become a development trend in the automotive industry. As one ...[Details]
Circuit Function and Benefits
The traditional method of generating a negative reference voltage from a positive reference voltage uses only an inverting op amp, which requires two precision mat...[Details]
Sawtooth voltage generator
In some control applications, a linearly increasing voltage (sawtooth wave) is required to control the detection process, move the recording pen or move the el...[Details]
At the forum held by Gasgoo.com today, Professor Yin of Jiaotong University (who was the doctoral supervisor of my former colleague) talked about a lot of interesting stories, especially about the ...[Details]
Foxconn founder Terry Gou is looking for new investors to inject capital into a new advanced LCD panel factory he built, sources said. The 61 billion yuan ($8.5 billion) Guangzhou plant was suppose...[Details]
Nubia released a pre-launch poster for its new Red Magic 5G phone on its official Weibo account. The theme of the poster is "144Hz, refreshing your vision once again." Later, Nubia Presiden...[Details]
SysTick is a 24-bit timer built into the Cortex-M core, so we can see its register definition and configuration function SysTick_Config() in the core_cm3.h or core_cm4.h header file. SysTick's functi...[Details]
At present, the development of the Internet of Vehicles has become one of the main tracks for the development of China's automobile industry. In the "Action Plan for the Development of the Internet o...[Details]
With the rapid development of new energy vehicles and autonomous driving, many EMI problems have occurred in the application of automotive power chips:
First, autonomous driving and smart cock...[Details]