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1. Development of DSP
In the application of sound reinforcement system, we often convert the sound signal into digital signal (A/D), process it according to a certain format, and then convert the d...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Write a program with the following functional requirements: when the level of the P1.0 pin changes positively, count the input pulses of P1.1; when the level of the P1.2 pin changes negatively, stop ...[Details]
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ARM coprocessor cp15 has 16 registers. For details, see "ARM Architecture and Programming" Here I will briefly talk about the operation of the two coprocessors MRC and MCR, refer to the "s3c2440" com...[Details]
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If everything goes well, the Galaxy S21 should be officially available for sale in January, and Samsung may officially release the phone in December. So far, we know very little about this pho...[Details]
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The USB function test of STC8H8K64U has many problems and cannot be explained/solved, so I will not write it in the series. I will just put the record here to stimulate discussion. Code Test code d...[Details]
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The commercialization of 5G is advancing rapidly, bringing new vitality to the dormant smartphone market. As terminal manufacturers are diving into the exploration of 5G application scenarios, the su...[Details]
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Last Friday, Apple finally released its first 5G-enabled iPhone 12 series, which many users have been looking forward to for a long time. Although Apple's 5G device is a year late, the iPhone is stil...[Details]
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LED display is a flat display screen composed of light-emitting diode dot matrix modules or pixel units. It has the advantages of high luminous efficiency, long service life, flexible configurati...[Details]
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At present, point-by-point correction has gradually become
a prerequisite for the bidding of mid-to-high-end projects of
full-color
LED screens
. The technological progress of major general c...[Details]
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The latest report from market research firm CINNO Research shows that after falling below 90% last month, the average capacity utilization rate of panel factories rebounded by 2.4 percentage points t...[Details]
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FIQ (Fast Interrupt Request) FIQ exceptions are designed to support data transfer or channel processing. In ARM state, the system has enough private registers to avoid the need for register preservat...[Details]
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The following is a knowledge inventory and analysis of the advantages and disadvantages of incandescent lamps, energy-saving lamps, fluorescent lamps and LED lamps.
Incandescent lamp
...[Details]
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On April 18, 2024, the "2024 " Robot
+" Industry Application Innovation and Development Blue Book"
created by the Veken Industry Research Center
was released at the "OFweek 2024 (13th) China...[Details]
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1. Comparison of I2S, AC97, PCM between S3C6410 and WM9713:
1. I2S, AC97, and PCM are different, each has its own, and the timing of the three is different. For the two sides to communicate, t...[Details]