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164 Marquee, #include reg51.h #include intrins.h #define uint unsigned int #define uchar unsigned char sbit dat=P2^6; sbit clk=P2^7; uchar ii; uchar code seg7code ={0x01,0x02,0x04,0x08,0x10,0x20,0...[Details]
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Silicon Frequency Controller (SFC)
SFC Principle
Due to the limitations of quartz materials and their oscillation principles, people have been exploring new technologies to replace them in ...[Details]
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As the energy crisis and environmental problems continue to deepen, the development of new energy has attracted more and more attention. In recent years, with the strong support of national policies,...[Details]
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Preface A stepper motor is a brushless motor that converts electrical impulses into mechanical rotation. As the name suggests, it rotates gradually according to the input pulse and is the main execut...[Details]
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A motor is an electromagnetic device that converts or transmits electrical energy according to the law of electromagnetic induction. Its main function is to generate driving torque as a power sou...[Details]
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1 Overview
PHILIPS 51LPC series microcontrollers currently include seven models, P87LPC760/1/2/4/7/8/9. 51LPC provides high-speed and low-speed crystal oscillator and RC oscillation modes, whi...[Details]
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Keysight Technologies (NYSE: KEYS) announced that in line with the philosophy of taking root in China and giving back to China, Keysight China's fifth Thanksgiving Month began on March 2. Mr. Zhongyi...[Details]
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0 Introduction
A digital filter is a device that changes the relative proportion of frequency components contained in the input signal or filters out certain frequency components through a...[Details]
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Source: The content is original from Semiconductor Industry Observer (ID: icbank), author: Jiang Siying, thank you! On January 16, 2021, the China IC Conference, an annual high-profile event for fa...[Details]
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According to news on April 28, cloud storage service provider Dropbox announced on Thursday that it will lay off 500 people, accounting for 16% of its total employees. This is a restructuring measure...[Details]
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Recently, foreign media ultragamerz exposed a set of design drawings suspected to be Sony's next-generation VR headset, which stated that PS VR 2 may adopt a wireless transmission solution. Although ...[Details]
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The electronics for automotive infotainment TFT-LCD displays must be minimal to limit PCB size and cost. After reviewing the drawbacks of typical low-integration solutions, we introduce a new appro...[Details]
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With its many advantages, three-phase brushless DC (BLDC) motors are becoming the first choice for designing modern battery-powered motor products. However, in order to make the products ergonomic...[Details]
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Kernel version: linux-3.5 Development board: tiny4412 Author: Peng Donglin Email: pengdonglin137@163.com Problem: Since I use git to manage the kernel code, the kernel version becomes the following ...[Details]
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text: Question 1: Regarding the Nor/Nand startup judgment: The video explains how to write 0 to , and if it is 0, Nand starts. The video routine is: mov r1, 0 ldr r0, str r1, ldr r2, cmp r1, r...[Details]
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