Precautions for Product Design ................................................................................................................................... 50
6.2
Precautions for Package Mounting .............................................................................................................................. 51
6.3
Precautions for Use Environment ................................................................................................................................ 52
11. Pin Status in Each CPU State ........................................................................................................................................ 60
12.3 DC Characteristics....................................................................................................................................................... 71
12.3.1 Current Rating .............................................................................................................................................................. 71
12.4 AC Characteristics ....................................................................................................................................................... 81
12.4.1 Main Clock Input Characteristics .................................................................................................................................. 81
12.4.2 Sub Clock Input Characteristics ................................................................................................................................... 82
C Timing ............................................................................................................................................................... 133
I don't know if this topic is appropriate or not. What I want to express is the comparison between amateurs or DIY enthusiasts in China and abroad. I recently worked on a radar project. When searching...
Once when I was repairing a machine, I touched the shell of the set-top box and the ground terminal of the repair table at the same time, and got shocked. [url=https://bbs.eeworld.com.cn/thread-73109-...
[i=s]This post was last edited by jennyzhaojie on 2017-10-15 10:53[/i] [font=宋体][size=10.5pt] Since the CH554 development board is equipped with limited peripheral resources, it is very important to e...
Gift - Air Purifier Disassembly Thanks to EEWORLD's TI event, I got an air purifier. Note, this is an air purifier, not an air purifier. Inside is a centrifugal fan + negative ion generator. The negat...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]