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News on the morning of March 23. Whistleblower Max Weinbach shared the newly surfaced design schematics of the iPhone 14 Pro and iPhone 14 Pro Max, showing that Apple’s upcoming iPhone pro seri...[Details]
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When there is no check bit, the data bit is usually 8 bits. When using the parity bit, the data bit should be set to 9. A parity bit is also included with the data bits. See the reference manual for ...[Details]
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Liu Yunhou, President and Deputy Secretary of the Party Committee of State Grid Technical College
State Grid Corporation of China held a special video conference to arrange and deploy the cons...[Details]
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IIC (Inter-Intergrated Circuit) bus is a two-wire serial bus developed by PHILIPS. It is used to connect microcontrollers and their peripheral devices. IIC only needs two wires, SDA (data line) and SC...[Details]
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When Huawei Mate X was first announced, it was equipped with Kirin 980 processor. Later, due to various reasons, the product launch was delayed. However, in a recent event held by Huawei, foreign med...[Details]
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Discussions on the relationship between power supply technology and electronic transformers: the role of electronic transformers in power supply technology, the requirements of power supply technol...[Details]
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When communicating with my classmates at work, the most common thing I hear is "MCU is too difficult". In fact, it is not that MCU is difficult to learn, but that we don't know how to get started. ...[Details]
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89C51 microcontroller structure block diagram 1. An 8-bit microprocessor CPU. 2. On-chip data memory (RAM128B/256B): used to store data that can be read/written, such as intermediate results of ope...[Details]
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Use of high frequency switching power supply:
1. During the installation, commissioning and operation of the high-frequency switching power supply, ensure that the metal shell power cord and the sh...[Details]
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The mouse is a device used to control the movement of the screen cursor. It is one of the most important external input devices of the computer and can be used in the graphic system of human-comput...[Details]
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The serial port is a very commonly used debugging tool, and we must all be proficient in using its various functions. 1. Question requirements and solutions What we need to do is that the compute...[Details]
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In the field of automotive chips where the localization rate is relatively low, domestic chip manufacturers are constantly making breakthroughs. On the evening of June 5, National Core Technology ...[Details]
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STMicroelectronics (ST) has collaborated with selected partners to build a complete ecosystem for securely connecting Industrial Internet of Things (IIoT) and automotive systems to cellular networks ...[Details]
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At the beginning of 2019, the Party Committee of State Grid Corporation of China, guided by Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era, thoroughly implemented the ne...[Details]
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To set the system to work in svc privileged mode, we know from the previous learning that this requires setting the CPSR program status register.
In the ARM Architecture Reference Manual.pdf d...[Details]