11.000MHZMQ2/30/5/-10+60/10

Since the PC pointer automatically jumps to address 0x00 to execute after an interrupt or exception occurs in the ARM CPU (while saving some CPSR registers, switching the operating mode, etc.), the i...[Details]

　　For the realization of fixed simple functions, analog circuits have the advantages of simple structure, easy implementation and low cost. In this regard, analog circuits are widely used. The RC sin...[Details]

The permanent magnet synchronous motor is a variant of the DC permanent magnet motor, and its structure and working principle are similar to those of the traditional synchronous motor. It uses perm...[Details]

O Introduction The coal mine integrated monitoring system based on wireless sensor network consists of underground sensor nodes, router nodes, coordinators and surface monitoring computers,...[Details]

　　Digital signal microprocessor DSP has the functions of high-speed operation and data processing. With its advantages of high performance and low power consumption, it provides an effective hardware...[Details]

At present, electronic fences have clearly become a shining star among security alarm products. In society, we often see the "electronic fences are prohibited from climbing" public security gate elec...[Details]

1. S3C2440 processor structure The structure of S3C2440 processor is shown in the figure below. Its core unit is ARM9TDMI processor core, which mainly includes 16K instruction cache and 16K data cach...[Details]

At present, reference voltage sources are widely used in integrated circuits such as high-precision comparators, A/D, D/A converters, and dynamic random access memories. Referenc...[Details]

Qualcomm held a conference call with analysts after releasing its financial report. According to Executive Vice President Alex Rogers, it is currently negotiating with Huawei and the settlement with ...[Details]

　　At present, two methods are generally used in the research and development of H.324 systems: one is to develop a pure software H.324 system, that is, a PC-based system; the other is to use a progra...[Details]

We know that each capacitor has its frequency characteristics, so what are the frequency characteristics of AVX tantalum capacitors? The effective capacitance of AVX tantalum capacitors decreases as ...[Details]

If you want to add the high-voltage package in-circuit measurement function, K in the figure below is the reverse pressure test button VBR, Rl, Q1, Ll, L2 to form a self-excited oscillation circuit, D...[Details]

Herbrand Seid and others from the Massachusetts Institute of Technology recently invented a new type of fast-charging lithium battery that is smaller in size, lighter in weight and more durable in ...[Details]

I often encounter some annoying pseudo instructions starting with ".", such as .globl _start .balign .align .data .text, etc. The most annoying one is as follows: _undefined_instruction: .word undefi...[Details]

Shenzhen, China, October 29, 2024 - Today, OPPO, a world-leading smart device company, announced that it has signed a global patent license agreement with InterDigital, covering InterDigital's ...[Details]