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平臺 tiny4412 ADK Linux-4.4.4 u-boot使用的U-Boot 2010.12,是友善自帶的,爲支持設備樹和uImage做了稍許改動 platform tiny4412 ADK Linux-4.4.4 U-Boot uses U-Boot 2010.12, which is provided by Friendly. It has been sligh...[Details]
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The capacity of a variable capacitor is generally very small and cannot be measured with a multimeter, but it can be used to determine whether there is contact or leakage between the moving and fix...[Details]
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Autonomous driving or unmanned driving is not new. With the popularity of artificial intelligence technology, this term has become a household name. Many people think that this technology can bring g...[Details]
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The power-on reset (POR) pulse is generated by the on-chip detection circuit. The detection levels are listed in Table 19. POR is generated when VCC falls below the detection level. The POR circuit c...[Details]
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Since the second half of 2020, chip shortages have become the main theme of the semiconductor industry. The reason is that during the COVID-19 pandemic, more and more people need to work and study at...[Details]
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1 Introduction
With the development of computer technology, especially the widespread penetration of wireless technology into all aspects of people's lives, people's lives have undergone p...[Details]
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Rockchip, a leading domestic SOC solution provider focusing on mobile Internet and digital multimedia chip design, announced that the AI computing stick based on its RK1808 chip will be officially ...[Details]
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Figure 1 Three-phase half-wave/single-phase load AC/AC conversion circuit
Figure 2 Voltage waveform with resistive load
Taking the three-phase to single-phase direct frequency conversion ...[Details]
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On October 10, STMicroelectronics and Qualcomm Technologies International Ltd., a subsidiary of Qualcomm Incorporated, announced that the two parties have reached a new strategic agreement to joint...[Details]
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In a DSO, the spectrum of a signal can be obtained through the fast Fourier transform (FFT), and then a signal can be analyzed in the frequency domain. For example, the measurement of power supply har...[Details]
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1. The certainty of the program is greater than that of the hardware. Don't be afraid of program problems.
2. The most important thing for writing a program is not to learn a certain language, ...[Details]
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Motorola's upcoming 4G thousand-yuan phone Moto G22 will be equipped with MediaTek Helio G37 SoC, which is an octa-core CPU with four 1.8GHz and four 2.3GHz cores, supplemented by a PowerVR GE8320 GP...[Details]
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GSM/3GSM radio access technology has dominated the global cellular communications market with more than 2.5 billion users and the number of users is still rising. In order to keep pace with the develo...[Details]
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The RF power amplifier (RF PA) is an important component of various wireless transmitters. In the front-end circuit of the transmitter, the RF signal power generated by the modulation oscillation cir...[Details]
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Let's take a look at the ARM storage system:
It can be seen that the fastest are the processor and internal registers, which are few in number and very expensive. Next is TCM tightly cou...[Details]