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(11) Label: DIVS Function: Double-byte binary signed number division (complement code)
Entry conditions: dividend is in R2, R3, R4, R5, divisor is in R6, R7.
Exit information: quotient is in R2, R3 ...[Details]
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USB objects are divided into master and slave, so that the handshake between two devices can be broken by the master device at the beginning; but for CH375, its master and slave configuration...[Details]
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A direct conversion radio uses a pentode tube to achieve 450 times audio gain. Pentodes have high transconductance, which is the ratio of the change in anode current to the change in control grid volt...[Details]
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Also known as a multimeter, three-function meter, multiplexer, it is a multi-function, multi-range measuring instrument. Generally, a multimeter can measure DC current, DC voltage, AC voltage, resist...[Details]
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GPS positioning and track recorder based on C3-370C! I bought a C3-370C GPS from 51hei and prepared to do GPS track recording, because I always wanted to add coordinate information to travel photos....[Details]
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This is the 18B20 program that I passed on 16F877, 18F1320, and 18F1220. The main problem with 18B20 is the delay. Once this is solved, everything can pass.
C Program
#include ...[Details]
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Today, the proportion of CCFL backlight in LCD TV has dropped to 15%, while the penetration of LED backlight in LCD TV has reached 50%, and as the cost of LED decreases, this proportion will certai...[Details]
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In the past, LED lamps all used constant voltage power supplies. At that time, we did not understand the performance of LEDs. According to the data given by the manufacturer, each small lamp bead w...[Details]
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The kernel source directory currently used /home/S3-ARM/Part-4-CoreAndDriver/UP/subject3/lesson3/new/linux-mini2440/ Kernel source code compilation command make uImage ARCH=arm CROSS_COMPILE=arm-...[Details]
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Magnachip Semiconductor announced today that they will officially terminate the acquisition agreement with domestic Wisdom Road Capital. They said the course of action came after the two sides wer...[Details]
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On June 30, the Xiamen (Haicang) Integrated Circuit Enterprise Joint Product Release Conference and Signing Ceremony kicked off. At the conference, Yu Daquan, CEO of Xiamen Yuntian Semiconductor Tech...[Details]
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Yesterday, a former employee of Smartisan angrily criticized Luo Yonghao for his shamelessness on Twitter and took the initiative to post on Weibo to confirm the unverified leaked photos. Later th...[Details]
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After looking at many people's codes on the Internet and the routines provided by various development boards, I found that most of them use the officially released function library for programming. Af...[Details]
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I'm learning embedded low-level system development recently. When writing startup code, I need to set the SP of each mode and adjust the working mode of the CPU. Some of the code is as follows:
...[Details]
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In modern industrial production, frequency converters, as an important electrical equipment, are widely used in speed control of various mechanical equipment. Through the speed control function of ...[Details]