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Countdown to the Beijing Winter Olympics, technology helps the Olympics, exciting things are expected September 16, 2021, Beijing - The 2020 Tokyo Olympics has come to a successful conclusion, and ...[Details]
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adr r0, _start gets the current execution position of _start, and the effective address is determined by pc+offset.
ldr r0, =_start gets the absolute address, which is determined during linking;
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The XC6224 series is a high-speed LDO voltage regulator that achieves high accuracy, low noise, high ripple rejection, low dropout voltage, and low current consumption.
This IC consists of a r...[Details]
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Equipment designers have been asking for SMPS with smaller packages. Smaller EMI filters can not only effectively reduce the level of electromagnetic emissions before they reach the main line, but ...[Details]
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1. Kernel compilation error (different compiler versions used) ARM-Linux-ld: ERROR: drivers/media/video/tq2440/built-in.o is compiled for EABI version 5, whereas drivers/media/video/built-in.o is co...[Details]
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The STM32F407VGT6 chip used by the STM32F4Discovery development team has an internal FLASH of 1M. After the code is burned, there is still a lot of remaining. Effective use of this remaining FLASH ca...[Details]
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The hardware detection was completed quickly. The next step is to start debugging some programs. For debugging a new MCU, the simplest and most important thing is to be able to control GPIO. In o...[Details]
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Control transfer instructions control the execution flow of the program by changing CS:IP. Such instructions include unconditional transfer instructions, conditional transfer instructions, loop inst...[Details]
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As we all know, ARM is a well-known company in the microprocessor industry. ARM itself does not manufacture or sell CPUs based on its own designs, but licenses its processor architecture to interes...[Details]
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The chip manufacturing process is a long chain, and many important process links require precise detection methods to detect defects, ensure yield, reduce production costs, and improve control proces...[Details]
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The wristband is also a kind of electronic product and also needs to be waterproof to avoid water damage to the wristband due to sudden rain or snow or accidental splashing of water, beverages and ot...[Details]
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At present, almost all electronic devices are equipped with USB cables for charging, and the space-consuming power adapters are often forgotten in the corner, which creates a problem: when there is...[Details]
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LED display selection guide
LED large screen classification:
(1) According to the use environment, indoor display screen, semi-outdoor display screen, outdoor display screen
(2) Accordi...[Details]
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Model Y in the Beijing showroom Beijing time, May 26, Tesla said on Tuesday that starting this month, the Model 3 and Model Y in the North American market will remove radar sensors from their sem...[Details]
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Industrial controllers are core devices in modern industrial automation systems. Their core technologies mainly include the following aspects:
Hardware Technology
The hardware t...[Details]
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