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After the first stage is completed, the start_armboot function is called to start the second stage. The start_armboot function is in the lib_arm/board.c file. 1. uboot second stage The first stag...[Details]
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1. How much bandwidth is required for PCIE 5.0 transmitter testing? a) For chip testing, the Base Spec must be followed, so the specification requires an oscilloscope with a bandwidth of more than 50...[Details]
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The ground resistance tester is a handheld grounding measuring instrument. The instrument is equipped with accessories necessary for testing. The instrument is equipped with two jaws: a voltage clamp...[Details]
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Requirements: Generate a certain waveform 1 /*DA conversion experiment, such as generating sawtooth wave*/
2
3 #include reg52.h
4
5 unsigned char xdata ad_cs0 _at_ 0xc000;
6 unsigned ch...[Details]
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In the production process of new energy vehicle batteries, the Zeiss industrial CT machine METROTOM can detect the internal structure and composition of the battery to ensure its quality and safety...[Details]
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PCB electromagnetic compatibility design is to reduce external electromagnetic radiation and improve the ability to resist electromagnetic interference. Reasonable layout and wiring are the key to the...[Details]
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ASA (VI curve) test is one of the most important test functions on the circuit online maintenance tester. This article briefly introduces the principle of ASA test. It mainly focuses on the fault d...[Details]
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On April 15, Li Shufu, chairman of Geely Holding Group, confirmed in a live broadcast that Geely is producing coronavirus-proof cars. Sitting in a Geely car is as safe as wearing a 3M mask, and the p...[Details]
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The input clock of the timer is PCLK;
T0 and T1 are a group, T0 and T1 share an 8-bit divider
T2, T3, and T4 are a group and share an 8-bit divider. T4 has no output pin and can only be u...[Details]
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Apple has just officially launched the 16-inch MacBook Pro. There was no press conference, but it was directly released online. This product, which has been rumored for half a year, has finally been ...[Details]
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It’s almost a tradition for Microsoft to hold a Surface event in October, and even though everything has been postponed due to the pandemic, it won’t change this year. According to well-known leaker ...[Details]
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The detection system platform is constructed by Lab Windows/CVI virtual instrument technology, and the design of a general detection system for a certain equipment based on PXI bus is introduced. The ...[Details]
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1. Experimental purpose: Experiment 3: Use the PO and P2 ports to realize the display effect of the digital tube from 0 to 7: (1) Master the method of programming microcontroller control programs usi...[Details]
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According to foreign media reports, an international research team led by Stanford University has developed a new rechargeable battery that can store six times more power than current batteries. The ...[Details]
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According to a press release on October 23,
Qualcomm
Technologies launched a new generation of chip versions for its autonomous driving and digital
cockpit
platforms, namely the Sna...[Details]
Microcontroller MCU
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