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MRS (Read Status Register) MRS r1, CPSR; CPSR--->r1
MSR (Write Status Register) MSR cpsr_c, #0xD3 ; CPSR = 0xD3
STMFD SP! {R8-R9}
Meaning: (1) SP = SP-4 bytes (2) R9--- SP (3) SP = SP-4 (4) R...[Details]
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In the first quarter of this year, market demand in areas such as 5G mobile phones, laptops, tablets, game consoles, TVs and other consumer electronics, 5G base stations, servers, network communicati...[Details]
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Introduction
All LEDs, regardless of their color, size, or power, can fully perform as long as the driving current is constant. LED manufacturers will list the specifications of their product...[Details]
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In two-wire LIN applications, the power saving mode is used together with the silent mode of the LIN transceiver to save the most current. In this mode, all generated clocks are turned off, allowing ...[Details]
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Now let's analyze how uboot starts the kernel. We know that the u-boot kernel startup is achieved through two instructions. nand read.jffs2 0x30007FC0 kernel; bootm 0x30007FC0 Reading the kerne...[Details]
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1. Experimental tools: an STM32 development board, L298N motor driver, DC motor And the software used (STM32CubeMX, keil4) 2. Encoder Principle 1. Overview: An encoder is a rotary sensor that conve...[Details]
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Using dual Orins to build a three-in-one domain controller for smart driving, cockpit, and parking is not difficult in terms of hardware , but all in software . Today we will take a look at a three-i...[Details]
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According to foreign media reports, KLA Corporation announced the launch of four new products for automotive chip manufacturing: 8935 high-productivity patterned wafer inspection system, C205 broadba...[Details]
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Mines have become the first scene to achieve commercialization in the L4 autonomous driving ecosystem
Autonomous driving was once regarded as the ultimate scenario for artificial intelligence....[Details]
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On August 4, KPMG China released the 2021 "China's Leading 50 Automotive Technology Companies" list. In order to promote the development of China's automotive technology field, the list has been held...[Details]
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In electronically controlled gasoline injection engines, the oxygen sensor used for closed-loop control of the fuel system is an important electronic component that monitors the oxygen content in t...[Details]
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Gas alarms play a relatively important role in production safety. In China, alarms have been developed from scratch in manufacturing enterprises, and now they are more and more widely ...[Details]
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ATX-3000S series is a desktop wire harness tester Insulation test detection voltage DC50V-750V Withstand voltage test detection voltage AC50V-500V Four-wire resistance test, with a minimum test accur...[Details]
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1 Introduction
The automatic temperature control phototherapy system is a medical physiotherapy instrument. Its principle is to use a single-chip microcomputer to control the thyristor to cont...[Details]
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On November 10, security company Trend Micro recently discovered that the CMU (Connect Connectivity Master Unit) system of many models of Japanese automaker Mazda has multiple high-risk vulnerabili...[Details]