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The following is an analysis of the nand flash initialization code nand_init():
1. If (CONFIG_COMMANDS & CFG_CMD_NAND) is defined and (CFG_NAND_LEGACY) is not defined, then start_armboot() call...[Details]
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During the LED lighting design process, engineers can start the specific LED lighting circuit design after selecting the LED driver solution. This circuit design process is not easy, as it involves...[Details]
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On the Technology Day on October 24, Xiaopeng Motors reported the latest progress and next plans in the field of supercharging. Xiaopeng Motors said that Xiaopeng's 480kw high-voltage superchargin...[Details]
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Language compression technology not only saves storage space, but also reduces the bandwidth occupied during transmission. The rapid development of digital signal processing...[Details]
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Apple has accepted so many pre-orders for the HomePod mini that it soon had to push back its delivery dates worldwide by up to two months in some regions and models. Despite being considered an excel...[Details]
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This review starts with the Tamron 28-75mm F/2.8 Di III RXD from last year: thanks to its excellent portability, large aperture of F2.8 and good image quality, the author has watched this lens rise f...[Details]
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The glorious past of 51 single chip microcomputer 51 single-chip microcomputer refers to the MCS-51 series of single-chip microcomputers, CICS instruction set. Developed by Intel, its structure add...[Details]
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This section only introduces commonly used DC and AC motors, and common faults of other special motors and electric motors.
1. About the rotating magnetic field three-phase AC asynchronous mot...[Details]
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On June 7, Xinxingji Technology Co., Ltd. (hereinafter referred to as "Xinxingji") announced that it had completed a Pre-A round of financing worth hundreds of millions of yuan. This round of financi...[Details]
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Freescale's MPC5676R is a 32-bit multi-core Qorivva MCU using
Power
Architecture technology, mainly used in automotive powertrain systems. MPC5676R integrates two 180MHz
processors
, three s...[Details]
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1. What is PWM What is PWM? Professionally speaking, it is pulse width modulation. In layman's terms, it is the continuous output of high and low levels. For example, the microcontroller outputs ...[Details]
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NVIDIA and Didi Chuxing announced today that Didi will use NVIDIA GPUs and other technologies to develop autonomous driving and cloud computing solutions. Didi will use NVIDIA GPUs to tra...[Details]
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In the ARM instruction set, LDR is usually used as a load instruction, but it can also be used as a pseudo-instruction.
(1) LDR r0,=name. This instruction with an equal sign is a pseudo-instructi...[Details]
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Apple today released the first beta of the iOS and iPadOS 15.2 update to developers for testing purposes. iOS and iPadOS 15.2 can be downloaded through the Apple Developer Center or via OTA after i...[Details]
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Abstract: Although traditional perimeter security or fence alarm systems (such as active infrared counter-radiation, microwave counter-radiation, leakage cable, vibration cable, electronic fence, ...[Details]