[font=微软雅黑][size=3]I had planned to ride my bike to watch the flag-raising ceremony in the morning, but the OFO public bikes in the school were locked up with a steel wire by the administrator last ni...
1. Multiple-source interrupt problem #pragma vector = PORT2_VECTOR __interrupt void port2(void) { switch(P2IV) { case P2IV_P2IFG6: P2IFG &=~BIT6; P1OUT ^= BIT0;break; //LED1 on and off case P2IV_P2IFG...
EP3C80: BGA package, 484 PIN, core voltage 1.2V, PLL power 2.5V, IO power 3.3V; EP3C80 is the main CPU, EP3C80 also has external ARM7 and DSP. EP3C80 is connected to ARM7 and DSP in asynchronous bus m...
The question is as follows: I took over someone else's job. The developer of the stream driver has left. He said that the driver can be used. The stream driver is compiled into a dll under wince4.2. I...
The sample model I applied for is MB85RC256V. I haven't used it yet, but I want to know the performance of this chip from the principle. There is nothing much to say about the power supply. It has a w...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
Talking
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