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For ARM, the heap grows upwards and the stack grows downwards.  Local variables occupy stack space.   Memory dynamically allocated in the program, such as malloc() and new functions, occupy hea...[Details]

        Preface         With the evolution of technology and the change of market demand, the way of electronic manufacturing and testing has also changed. In the 21st century, people's requirements ...[Details]

1. Introduction Hollysys LM series PLC is a small integrated PLC product independently developed by Hangzhou Hollysys Company. LM series PLC has the characteristics of high reli...[Details]

After working in Intel's graphics department for 14 years, top expert Mike Burrows announced on LinkedIn that he has recently joined the AMD team to lead its advanced graphics projects as the company...[Details]

With the continuous improvement of my country's scientific and technological production level, all walks of life have higher and higher requirements for power supply quality. As a relay protection de...[Details]

DS2450 is a single bus four-channel successive approximation A/D converter chip produced by DALLAS. Its input voltage range, conversion accuracy and alarm threshold voltage are all programmable; each ...[Details]

Recently, TUV SUD Greater China Group (hereinafter referred to as TUV SUD) held the kick-off meeting of the 2014 comparison test of power lithium-ion batteries for electric vehicles in Beijing. Thi...[Details]

I don't know how friends in the forum deal with MDK and 51. Some time ago, I used Keil4 to write 51 and Keil5 to write ARM. Later I found that the two can actually be integrated together. Here I shar...[Details]

Tesla has finalized LG Chem to supply 21700 battery cells to its Chinese factory, which basically confirms the previous rumors a little bit.   1) Bloomberg report     The supply agreement isn't ...[Details]

Formation of PN Junction On a complete silicon wafer, different doping processes are used to form an N-type semiconductor on one side and a P-type semiconductor on the other side, so a PN junction ...[Details]

summary This article first briefly introduces PMU, which helps readers understand the basic functions and selection methods of PMU. Secondly, it mainly describes some difficult-to-understand parts ...[Details]

First eSATA redriver with cable detection Maxim introduces the MAX4951AE dual-channel buffer designed to re-drive SATA I and SATA II signals. The device maintains the integrity of the rece...[Details]

ON Semiconductor has developed a solar cell controller NCP1294 to implement maximum peak power point tracking (MPPT) of solar panels and charge batteries with the highest energy efficiency. Thi...[Details]

According to Motherboard, Apple's upcoming iOS and iPadOS 14.5 updates will make "zero click" attacks more difficult by expanding PAC security provisions. It is reported that Apple has changed the wa...[Details]

At 6:10 a.m. on October 28, the Alxa Power Supply Company of the Inner Mongolia Electric Power Group organized the planned grid connection and off-grid maintenance of the Ejina "source-grid-load-st...[Details]