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[align=left][color=#008000]以下是任务切换过程:[/color][/align]
[align=left]OSCtxSw[/align][align=left]pushsr; emulate interrupt by also saving the SR[/align][align=left]PUSHALL; push all registers[/al...
introduction Power supply devices, whether DC or AC, must use electronic transformers (soft magnetic electromagnetic components) made of soft magnetic cores. Although there are already air-core elec...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:00[/i] [b][color=red]After winning the highest award "Sony Cup" and "National First Prize" in the "National College Student Electronic Design...
There are three FPGA/CPLD logic device manufacturers: XLINX, ALTERA, and LATTICE. XLINX is the leader in terms of technical strength and market ranking, followed by ALTERA, and finally LATTICE. Each m...
What should I do if the error shown in the figure appears when AD10 is imported into CAD? The imported file is not completely contained in the valid PCB area (100inch*100inch), so it will be moved acc...
Recently, the U.S. Department of Commerce announced that it would prohibit companies in the country from selling any electronic technology or communication components to ZTE, a Chinese communicatio...[Details]
1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[Details]
In the development of artificial intelligence, talent reserve is undoubtedly an important part. Artificial intelligence should be a bottom-level technology that can be deeply embedded in any indust...[Details]
At present, the Beidou system has achieved industrial breakthroughs and leapfrog development in five major areas, including the automotive OEM market, smart phones, and high-precision applications....[Details]
STM32 has two watchdogs: independent watchdog and window watchdog. This article mainly introduces the use of independent watchdog. Independent watchdog (IDWG): driven by an independent 40KHZ low-sp...[Details]
The STM8L contains a 12-bit ADC with 25 input channels, including an internal temperature sensor, an internal reference voltage As can be seen from the figure above, there is an internal re...[Details]
/*----------------------------------------------- Name: IIC protocol PCF8591 AD/DA conversion Content: Use DA input, digital tube display output digital quantity, LED display analog voltage size ...[Details]
****************************************************************** 1. The operand is in register, R0--R7 2. Operands are in internal RAM 3. Operands are in external RAM But they are all similar. For ...[Details]
Design a program for the 51 single-chip microcomputer. It is known that the crystal oscillator frequency of the 89C51 single-chip microcomputer is 12MHz, and it is required to use T1 timing to output...[Details]
AI
chips are becoming a new trend in the industry. On November 15, Qualcomm announced that it would invest in nine Chinese AI algorithm + chip innovation companies. Let's follow the network c...[Details]
/********************************************************************** Read LCD status word to STA function: used to judge busy or idle before writing data or commands to the LCD *****************...[Details]
The Arctic region has always been cut off from the outside world, and if oil workers and polar expedition personnel are in danger, they need
robots
to provide rescue work.
Sergey...[Details]
The chip is EM78P153 P64, P65 is connected to the crystal oscillator, the oscillation mode is 4MHz crystal oscillator watchdog gate, the instruction cycle is 2 CLOCK, P63 is the reset pin *****...[Details]
JP Morgan recently released a report stating that the growth of high-end smartphones has clearly peaked this year, and the production of iPhone X is expected to decrease by at least 50% this quarte...[Details]
It has been a long time since I updated my disassembly work. This time, I bring you the belated disassembly of the Honor V10 Premium Edition. Let's follow the mobile phone portable editor to learn...[Details]