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1. Undefined exception mode 0. When executing undefined instructions, enter und mode and enter the process: The CPU jumps to address 0x4 to execute the code, and automatically saves the CPSR regist...[Details]
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Multiple reports claim that Samsung is preparing to launch the Galaxy S21 series in January. News in July revealed that the series includes three models: Galaxy S21, Galaxy S21 + and Galaxy S21 Ultra...[Details]
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According to foreign media reports, calcium-based batteries are expected to achieve higher energy density at a lower manufacturing cost, and eventually this laboratory technology will be able to repl...[Details]
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Circuit function: When the voltage is lower than 180V or higher than 250V, it can give an audible and visual alarm. When an AC contactor is connected externally, it can cut off the power supply to...[Details]
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A week has passed, and earth-shaking changes have taken place in the electronic world. We have gathered the information worth paying attention to this week and read the major events of the week in on...[Details]
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China Energy Storage Network
: The Guiding Opinions pointed out that the energy internet will be promoted in two phases in the near and medium term. The first phase will be from 2016 to 2018,...[Details]
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ATmega168 I/O P311 "Register Overview". All I/O and peripherals of the ATmega168 are placed in the I/O space. All I/O addresses can be accessed by the LD/LDS/LDD and ST/STS/STD instructions to trans...[Details]
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On the evening of January 8, the official microblog of Top Group released information, announcing that the Top
Robot
electric drive system production line was officially put into production...[Details]
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An oscilloscope is an electronic measuring instrument that is widely used in electronics, machinery, machine tools, electricity, ships, petroleum and other fields. When we use an oscilloscope, we m...[Details]
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IO output and input /* The button is connected to RB1 to light up the LED, and PORTA RA0 controls the output. Press once to light up, press again to turn off, and so on. RB is connected to an externa...[Details]
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Recently, there was news that Hisense Group laid off 10,000 employees and Haier was also laying off employees. In response, Hisense Group said that the company did take measures such as reducing exec...[Details]
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Most power factor correction (PFC) power stages operate in critical conduction mode (CrM), which controls the inductor current to ramp up from zero to a desired peak level and then back down to z...[Details]
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Solar energy, as an inexhaustible, pollution-free, clean energy, has been recognized as the most effective energy source to solve the energy crisis in the future. LED lamps have the advantages of lon...[Details]
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Common assembly instructions 1. General registers and program counter in ARM state (1) Registers used by each working mode in ARM state (2) Current Program Status Register (CPSR) N: Whether the r...[Details]
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Since cars consume large amounts of electricity, only battery technologies with high power density are desirable, and since cars need to be used every day, the batteries must be rechargeable. Howev...[Details]