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1. Words and Halfwords of Memory 1. Two consecutive bytes starting from an even address constitute a half-word. 2. Four consecutive word orders of addresses divisible by 4 constitute a word The lengt...[Details]
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When LCD screens were first developed, their picture response time was as high as 40ms or more. In this case, static text processing may not be a problem, but if you want to watch a movie, the seri...[Details]
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STM32F4 clock tree STM32 has a total of 5 clock sources, namely external high-speed clock (HSE), internal high-speed clock (HSI), external low-speed clock (LSE), internal low-speed clock (LSI) and p...[Details]
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This chapter introduces the clock management unit (CMU) of the Exynos4412 chip. The CMU controls the phase-locked loop (PLL) and generates clocks for various IPs, buses, and modules in the Exynos4412...[Details]
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Abstract: In order to simplify the internal control system of automobiles, reduce automobile manufacturing costs, and improve the friendliness of the human-vehicle interaction interface, a new type ...[Details]
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As we all know, Apple phones are very expensive, and the price of the highest-end version even costs more than 10,000 yuan. However, the high price has its benefits, such as the iPhone supports IP68 ...[Details]
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Since the term high-voltage LED came into being, it is undoubtedly a new type of LED with many advantages. Some people even think that it will make today's "low-voltage LED" fade out of the future ...[Details]
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China Energy Storage Network:
Recently, data from the National Energy Administration and the China Electricity Council showed that in the first quarter of 2019, the national power grid projec...[Details]
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Pointer to pointer
A pointer variable can store a value inside, and this value is the address of another object, so we say that a pointer variable can point to a normal variable. Similarly, this po...[Details]
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The summary of "TQ210 compiles tslib" is as follows: Every time Ubuntu restarts, you need to check arm-linux-gcc-v. If not, you need to source /etc/environment (1)tar xvzf tslib-1.4.tar.gz (2) The se...[Details]
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;NAME : F_Mul
;INPUT : R_opA,R_opB
;OUTPUT : R_opRes,R_opMod
;FUN : R_opMod product high bit (when product is greater than 255), R_opRes produ...[Details]
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Most analog integrated circuits (comparators, op amps, instrumentation amplifiers, references, filters, etc.) are designed to process voltage signals. When it comes to devices that process curren...[Details]
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Domestic low-cost processor, core board as low as 79 yuan! Mil based on Allwinner T113-S3 core board released
Domestic low-cost core board as low as 79 yuan! Mil based on Allwinner T113-...[Details]
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introduction
The multi-source perception intelligent security system is mainly based on the "Petroleum and Petrochemical System Security Counter-Terrorism Prevention Requirements" (GA1551-2019...[Details]
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Introduction: The design of USB low-speed devices has reached a considerable maturity. Various IC companies have launched solutions for USB DEVICE, generally with 8 BIT CPU CORE + USB SIE as the main...[Details]