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Active Power Management
On-chip power management techniques fall into two broad categories, managing active system power and managing standby power.
Active power management falls into t...[Details]
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1. Introduction to MC68K CPU
The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and compatible 68K, CPU32, ...[Details]
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I want to transplant uboot1.4 to the board, but I failed after a long time. I am determined to understand the principle and process of uboot, so I decided to write a simple bootloader to sort out w...[Details]
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A charger that looks like an authentic Apple product, but only costs a few dollars. How is such a low price achieved? Driven by curiosity, a hardware engineer disassembled it and found the circuits...[Details]
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Lithium nickel oxide (LiNiO2) is a promising cathode material. Its extremely high capacity and cobalt-free composition allow for large-scale manufacturing and are more sustainable. However, its short...[Details]
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Automobile exhaust has become one of the main sources of urban air pollutants. Governments at all levels have taken comprehensive measures from development planning, urban construction, energy supp...[Details]
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Recently, the lithium battery energy storage system developed by Powin Corporation (hereinafter referred to as "Powin") of the United States successfully obtained the UL 9540A certification certifi...[Details]
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The OFweek Cup 2023 China Robot Industry Annual Awards (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative
robot
...[Details]
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Well-known whistleblower @TheGalox_ said that Samsung will provide One UI 3.1 upgrade support for older models, and the upgrade list includes at least: Galaxy Note 20 Galaxy Note 20 Ultra Galaxy Z...[Details]
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An interrupt occurs when the normal flow of program execution is temporarily stopped, for example, to handle an external interrupt request. Before handling an exception, the current processor state mu...[Details]
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The circuit schematic and PCB diagram of the L297A+L298N chip stepper motor driver module drawn by Altium Designer are as follows: (The project file can be downloaded in the 51hei attachment) The a...[Details]
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Switching power supply is one of the indispensable power supply methods for the rapid development of electronic information. With its advantages of low power consumption, high efficiency and signif...[Details]
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Today, when debugging the serial port program (STM32107RC), I found that UART4 was clearly configured and could send, but it could not interrupt the reception. I saw many people on the Internet had t...[Details]
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High-side current sensing usually uses dedicated devices that support extended common-mode voltages, but dedicated devices also have their own limitations. For example, when the common-mode voltage i...[Details]
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Recently, ARM Technology (China) Co., Ltd. (hereinafter referred to as "ARM Technology") and Zhuhai Allwinner Technology Co., Ltd. (hereinafter referred to as "Allwinner Technology"), a...[Details]