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First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]
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Panasonic showcases 4680 battery cell Beijing time on March 10th, Tesla CEO Elon Musk (Elon Mus) is looking to crack the code to make better and cheaper batteries, but at this critical moment, the...[Details]
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When using GPIO as output, a pull-up resistor must be added because the default is open drain, high impedance state, and cannot output a high level.
When inputting, it is necessary to choose whethe...[Details]
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After the first stage is completed, the start_armboot function is called to start the second stage. The start_armboot function is in the lib_arm/board.c file. 1. uboot second stage The first stag...[Details]
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According to foreign media reports, this summer, Emer Burke, a student and new mother at Northern Alberta Institute of Technology (NAIT) in Canada, found that her newborn daughter's back was soaked w...[Details]
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On September 19, 2024,
WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Youshang has launched a Blue...[Details]
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In the case of Micron suing Taiwan's wafer foundry giant UMC for indirectly assisting Jinhua in stealing DRAM processes, the Taichung District Court of Taiwan recently made a ruling: the three UMC ex...[Details]
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1. Introduction A greenhouse is also called a hothouse. Cultivating plants in a greenhouse with constant environmental parameters can provide a more suitable growth environment for plants. A greenho...[Details]
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Wireless technology has been actively adopted in the automotive industry. In the early 1980s, Renault used a radio transmitter to lock and unlock the doors on its Fuego car. Within a decade, other au...[Details]
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The STM8 microcontroller's time for multiplication and division has been greatly reduced! Division operation only takes 2.75us @ 8MHz. It should be noted that you should not perform multiplication an...[Details]
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Chongqing Yongchuan Songgai Energy Storage Power Station was officially put into operation at full capacity in early August this year and entered the commercial operation stage. The energy storage pow...[Details]
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At Beligum's ITF World 2023 in Antwerp, Ann Kelleher, Intel's general manager of technology development, outlined Intel's latest developments in several key areas. One of the most interesting revela...[Details]
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tool:
Segger's JLink emulator
Segger's JLink for Linux
arm-xx-linux-xx-gdb in the cross-compilation toolchain
Initialization Script
Tool Install...[Details]
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The STM32 library is really powerful! The functions look like sentences...
Ok, let’s start:
Using USART in polling mode:
Set the clock:
RCC_APB2Periph_AFIO function multiplexing IO clock ...[Details]
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I have been learning to debug serial communication these days. For several days, the serial port has been sending and receiving garbled characters. The previous garbled characters were irregular...[Details]