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RTC can be used to set the real-time clock and generate a second interrupt or an alarm interrupt. When the chip is powered, the clock timing can still be maintained after the system loses power.
RT...[Details]
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Design Idea When the motherboard is connected to a working input power supply, a transient current will flow into the input decoupling capacitor of the power converter on the motherboard. This i...[Details]
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As loudspeakers continue to evolve, they place greater demands on amplifiers—and will ruthlessly expose the flaws of poor design. The Mark Levinson No.334, No.335, and No.336 dual mono amplifi...[Details]
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According to the Securities Times, the US ban on Huawei's chip supply chain officially took effect today (15). Huawei's partners revealed that Huawei has a plan B for the chip supply cut. The specifi...[Details]
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The Silicon-based GS1 CGM system uses Nordic's nRF52832 SoC to provide wireless connectivity between patch-type glucose monitoring sensors and smartphones OSLO, Norway – September 23, 2021 – Nor...[Details]
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In the polymerase chain reaction (PCR) equipment, the temperature in the test tube needs to be controlled to allow the DNA in the tube to undergo high-temperature denaturation (unwinding the DNA in...[Details]
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/************************************************/ /*Function: Press the button to control the digital tube display number; /*Author:oych /* Date: 2011.4.30 /****************************************...[Details]
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According to foreign media reports, the Finnish company Basemark has developed the world's first universal operating system Rocksolid Core OS, which can be licensed for all software-defined vehicles....[Details]
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The wideband RF diversity switches BGS14WMA9 and BGS12WN6 feature high switching speeds. They are optimized for WLAN and Bluetooth applications and provide 0.05 to 6.0 GHz broadband support for FM br...[Details]
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This is a 2x1W stereo amplifier circuit based on single IC KA2209. IC KA2209 is an equivalent IC to TDA2822, if you cannot find KA2209, you can use TDA2822. It is very suitable for battery powered ...[Details]
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1. Memory Management Unit
There are some differences between MCU and ARM in hardware system: one of them is the difference in MMU.
Use of virtual addresses
Copy p1.c to P...[Details]
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The SS sequence (Single-Sequence) is a sequence of non-repeating natural numbers. The SS decoding rule in reference decodes the SS sequence as the corresponding unit distribution map, and uses
th...[Details]
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Yesterday, Xiaomi officially released the Mi MIX Alpha surround screen concept phone, but the price of 19,999 yuan made many Mi fans feel that they couldn't afford it. Many netizens asked if there wo...[Details]
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With the rapid development of economy and the progress of society, people are traveling and working outside for a longer time. When public places such as home, shopping mall, computer room or labor...[Details]
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PC: CentOS5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
1. Make menuconfig to remove the original touch screen driver
- Device D...[Details]