-
Through the previous learning to set the ARM interrupt vector table, the basic framework design is completed. Now let's start setting the CPU to SVC mode (here refers to 32-bit mode).
Also in the ARM...[Details]
-
Use 51 MCU external interrupt 0 to control LED on and off #include reg52.h. typedef unsigned char u8; typedef unsigned int u16; sbit key1=P3^2; sbit LED=P2^0; void delay(u16 i) { while(i--);...[Details]
-
Vector interrupt means that different interrupts have different entry addresses, while non-vector interrupt has only one entry address. After entering, the interrupt flag is judged to identify which i...[Details]
-
For noise figure testing, the Y-factor method is selected for testing in most cases. However, when the device under test contains an automatic gain control circuit (AGC), the Y-factor method is subje...[Details]
-
"Post-joint venture does not mean no joint venture, nor is it a new joint venture, but it marks a critical time point in the development of China's automobile industry. Let's follow the automotive ...[Details]
-
Power domain and body domain Global sales of new energy vehicles continue to grow, and governments around the world have introduced relevant policy subsidies to support their development. China's new...[Details]
-
Q1: What are the requirements for the oscilloscope required for high-speed serial testing? Which indicators are the most critical?
A: Basically, the bandwidth and sampling rate must meet the requ...[Details]
-
1. Definition of ground wire
What is a ground wire? The definition of a ground wire that everyone learns from textbooks is that a ground wire is an equipotential body that serves as a potentia...[Details]
-
Signal integrity design is increasingly valued in product development, and there are many types of signal integrity testing methods, including frequency domain, time domain, and some comprehensiv...[Details]
-
At present, there are two main types of display screens according to the data transmission method: one is a real-time video screen that displays the same content as the computer; the other is an inde...[Details]
-
Ambient temperature (surrounding temperature) If the thermometer is exposed to a sudden environment with a temperature difference greater than 20°C, please keep it for at least 20 minutes to adapt to...[Details]
-
At the 2021 Hangzhou Yunqi Conference, Banma Smart Driving Co-CEO Zhang Chunhui officially released the self-developed AliOS intelligent driving system kernel. The kernel is a microkernel architectur...[Details]
-
1. Basic Concepts
1. There are 5 interrupt sources in the 89C51 microcontroller: two external interrupts, two timer/counter interrupts (overflow), and one serial port interrupt.
2. There are two...[Details]
-
As China rapidly moves toward becoming a world power in science and technology, new infrastructure represented by 5G, big data centers, artificial intelligence, and industrial Internet is in full swi...[Details]
-
Test products: Car audio and video monitoring board and 24V power board
Leimao laboratory temperature and humidity: 26 degrees, 61%
Test standards: static electricity, surge, load d...[Details]
RF/Wirelessly
京公网安备 11010802033920号
EEWORLD