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The latest report from Counterpoint research shows that MediaTek once again won the championship in the mobile phone processor market in the second quarter of 2021 with a share of 38%, not only setti...[Details]
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1. Mode 0 In mode 0, the input mode of the serial port synchronous shift register. It is mainly used to expand the input and output of the parallel port. Data is input or output by the RXD pin, and t...[Details]
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1. Two working states: ARM state 32-bit instruction Thumb 16-bit instruction
The two states can be converted through some mechanisms
2. ARM's addressing space can reach up to 4G, and is aligned...[Details]
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What does high definition mean?
High Definition, in English, means "high resolution". Generally speaking, high definition has four meanings: high-definition television, high-definition equ...[Details]
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This is a 100W power audio amplifier circuit diagram built based on a pair of FET components in the final amplification process. The FET components use a pair of K134 and J49, and the replacement f...[Details]
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In many occasions, we often need to measure high-precision angles and positions, such as the throttle position of the car and steering torque sensing, etc. Therefore, SPC for transmitting magnetic in...[Details]
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This article is based on the mstar801 platform Linux2.6.35.11 version.
First of all, it should be noted that system calls do not cause process context switching.
1. Introduction to system call - th...[Details]
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The core component of audio monitoring is the microphone. For audio and video integrated monitoring, the camera is the eye and the microphone is the ear. The images seen by the eyes and the sounds...[Details]
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Figure 3.19 illustrates a 100MBPS
data transmission
system. Due to inter-symbol interference and additional noise, the signal waveform output at point D shows more jitter than the wav...[Details]
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In addition to launching the official version of macOS Big Sur, Apple also seems to have "mistakenly" launched the iOS 14.3 developer beta early this morning, which has now been withdrawn. However, f...[Details]
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The following is my learning experience when learning AVR microcontrollers. I share it with you and learn together. 1. AVR microcontrollers use RISC architecture, while 8051 microcontrollers use CIS...[Details]
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The attractive market cake of subway lighting has attracted the attention of many lighting manufacturers. Whether it is old-fashioned lighting companies such as Philips, Sanxiong Aurora, or LED c...[Details]
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1 Introduction Defective Ground Structure (DGS) is one of the hot topics in the microwave field. It is developed from the photonic bandgap structure (PBG). DGS changes the distribution of shieldi...[Details]
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Introduction
This article introduces the process of porting μC/OS-Ⅱ to ATMEL's 8-bit microcontroller ATmega128. The so-called porting is to make a real-time kernel run on a certain microprocess...[Details]
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(November 8, 2024, Shanghai) Today
, Nanxin Technology announced the launch of a new high-efficiency synchronous bidirectional buck-boost charging chip SC8808, which can support a charging volt...[Details]