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As early as June 1, the Shanghai Stock Exchange officially accepted the listing application of ACM Semiconductor Equipment (Shanghai) Co., Ltd. on the Science and Technology Innovation Board. Recentl...[Details]
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1. Introduction Infrared transmitter module: Power supply 3.3V or 5V, transmits 38KHz infrared signal through the transmitter tube, high level drive Infrared receiving module: Power supply 3.3V or 5V...[Details]
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In the semiconductor field, EDA software, as the most upstream and high-end industry in IC design and circuit board design, is known as the "mother of the electronics industry" in the industry. ...[Details]
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Note that cache cache memory is distinguished from block device page cache. One is hardware implementation and the other is software implementation, block device page cache. There...[Details]
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How touch screens work Touch screens are divided into types: resistive, capacitive, surface acoustic wave, infrared scanning, etc. The most commonly used is the 4-wire resistive touch screen. ...[Details]
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AT256 A4 pro4 full variety integrated circuit screening tester British abi_AT256 A4 pro4 full variety integrated circuit screening tester channel configuration: Special VI dynamic impedance port te...[Details]
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7-bit: resistance resolution - 127 resistors (128 steps) -- W /* -----------------------------------------Macro definition-----------------------------------------*/ /* -----------------------...[Details]
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NEON is an ARM technology based on the SIMD concept. SIMD, Single Instruction Multiple Data, is a parallel processing technology that uses a single instruction to process multiple data. Compared with...[Details]
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Many electrical novices are not sure how to start debugging after designing electrical control cabinets and PLC programs. Or some people have caused PLC burnout and other problems due to inappropri...[Details]
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With the advent of the 5G era, Nokia has been quiet until recently when there was news that Nokia's first 5G mobile phone model is Nokia 8.3 5G PureView. Obviously, photography will also be a h...[Details]
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Piezoelectric ceramic actuators are new micro-displacement devices developed in recent years. They have the characteristics of small size, large thrust, high precision and displacement resolution, ...[Details]
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One sensitive test of high-resolution ADC fidelity is the ability to faithfully digitize a sine wave. This test requires a sine wave generator with residual distortion close to 1 ppm (parts per milli...[Details]
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CMI, also known as sign-inversion code, is a two-level non-return-to-zero code. The "0" code is represented by fixed negative and positive levels, and the "1" code is represented by alternating po...[Details]
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As a backup power source, batteries have been widely used in computer networks, communications, electricity and other fields. The charge of the battery is closely related to the reliability of the en...[Details]
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ARM seven working modes: Figure 1-1:
Figure 1-1
The above seven working modes can be set in cpsr: M =Mode number as follows.
Figure 1-2
The reason for having so many...[Details]