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1. Register: There are 37 registers in total, and up to 17 registers can be active (16 data registers, 2 status registers: CPSR and SPSR) R13: Stack pointer: points to the top of the stack in the c...[Details]
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dma current group ptr and len
PDC_RPR
PDC_RCR
dma next group of spare ptr and len
PDC_RNPR
PDC_RNCR
When the device starts, PDC_RCR will decrease from the maximum until it reaches 1. When anot...[Details]
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Arm recently announced the launch of the new Arm Mali-C55 image signal processor (ISP), which is Arm's smallest and most configurable ISP product to date, and has been favored by partners, including ...[Details]
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In communication electronic circuits, small signals need to be amplified with a certain gain. Small signals in communication are all high-frequency signals, so the analysis of the circuit is based on ...[Details]
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The instrument that uses ultrasonic testing method to detect is called ultrasonic flaw detector. Its principle is: when ultrasonic wave propagates in the material to be tested, the acoustic charact...[Details]
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This paper analyzes a
buffered soft-
switching
DC converter and
compares
the harmonics of the converter's input and output waveforms with a hard
-switching
circuit
. The result...[Details]
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In the first working week of the Year of the Ox, the number of national artificial intelligence innovation and application pilot zones expanded. The Ministry of Industry and Information Technology...[Details]
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The list of brands that won the Red Dot Design Award this year has finally been announced, including old faces such as Google, Sony, Siemens, Xiaomi, LG, HP, etc. A total of 75 products won awa...[Details]
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On the afternoon of October 29, the signing ceremony of the strategic cooperation agreement between Zhumadian Municipal People's Government and China Pingmei Shenma Group was held in Zhengzhou. Zhu...[Details]
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A few weeks ago, Apple released the iPhone 13, equipped with the latest A15 chip. But Apple's promotion of the A15 is a bit strange, mainly because Apple did not make any generational comparisons bet...[Details]
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1. Introduction
The key factor that determines the quality of communication between a base station transmitter and a mobile receiver is the propagation channel of the signal. As the signal ...[Details]
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A servo, also known as a servo motor, is an electromechanical structure with a closed-loop control system. A servo is mainly composed of a housing, a circuit board, a coreless motor, gears, and a pos...[Details]
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China Energy Storage Network News:
Zhejiang will promote the construction of a provincial demonstration zone for a new type of power system in two phases: the first phase will resolve the m...[Details]
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There are three basic elements that cause interference:
(1) Interference source refers to the components, equipment or signals that generate interference. It can be described in mathematical term...[Details]
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Temperature sensors are instruments for measuring temperature and are widely used in industry, scientific research, medical treatment and other fields. This article will introduce in detail the mea...[Details]
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