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On November 26, the power supply service command center of State Grid Suzhou Power Supply Company (hereinafter referred to as "Suzhou Power Supply Company") issued an early warning message on the l...[Details]
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The previous article talked about the s3c_rtc_probe function, but because it was too long, I didn’t finish it. This article continues the previous article. After talking about this function, we can...[Details]
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14.1 Interrupt System
The ARM system CPU has 7 working modes
User mode (usr): the normal program execution state of the ARM processor
Fast interrupt mode (fiq): us...[Details]
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2019 is a milestone year for China's electricity marketization. It is the first time in the history of China's electricity spot market construction that users have been introduced, renewable energy...[Details]
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Today, Qu Heng, general manager of Xiaomi Ecosystem, said on Weibo that starting today, a small number of Xiaomi watch users will receive grayscale upgrades, and from tomorrow to the 5th, Xiaomi watc...[Details]
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Modern electronic device designs must provide multiple different direct current (DC) voltages, which requires internal circuits to convert voltages through step-up and step-down methods to power di...[Details]
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When I was studying Chapter 9 and Hardware Communication in "Linux Device Drivers (3rd Edition)", I was not very clear about the concept of IO bus, so I looked for relevant information. Now I summari...[Details]
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The engine is the most important factor affecting the NVH performance of a car. In-depth prediction and optimization of vibration and noise performance during the engine design phase has become a b...[Details]
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The programmable logic controller (PLC) host supports the connection of expansion modules through the backplane bus. The backplane bus is a high-speed data path between the PLC host and the I/O exp...[Details]
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#ifndef __USBEP1_H_ #define __USBEP1_H_ #include "usb.h" #include "usbhw.h" extern s8 sendBuffer ; //Mouse data send buffer extern u8 mouse_connect; //mouse connection flag void usb_ep1_in_proces...[Details]
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PCB design and implementation
Proper PCB design is critical to properly calibrate a VNA. Techniques such as TRL can compensate for errors in PCB design, but they cannot completely eliminate them. F...[Details]
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NVIDIA H100 GPU, the new engine of global AI infrastructure, delivers an order of magnitude performance leap
SANTA CLARA, Calif. — GTC — March 22, 2022 PT — Driving the next wave of AI...[Details]
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European PEGASUS pointed out that virtual simulation testing is required for level 3 and above autonomous driving systems. Virtual sensing is an important part of virtual testing. The quality of the ...[Details]
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Qualcomm and Samsung achieve the world's first 5G carrier aggregation connection operating two uplink carriers and four downlink carriers concurrently in the FDD frequency band Key points: • Sna...[Details]
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China Energy Storage Network News:
Lin Zhibo, Chairman and Party Secretary of China Southern Power Grid Industrial Investment Group Co., Ltd.
With the proposal and implementation of ...[Details]