What is the following code used for?
Haha, I use VHDL.SboxEnc SboxEnc0(.iPreMap(RotWord[31:24]), .oPostMap(SubWord[31:24])); SboxEnc SboxEnc1(.iPreMap(RotWord[23:16]), .oPostMap(SubWord[23:16]) ); Sbo...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:12[/i] The 2009 Electronic Design Competition is co-organized by NEC Corporation. As there is little information about NEC microcontrollers o...
[size=4] From the hardware and software architecture of μC/OS-Ⅱ, we can see that the processor-related codes are mainly OS_CPU.H, OS_CPU_A.ASM and OS_CPU_C.C. The process of porting is to write these ...
I just started learning 430, and I would like to ask you to recommend a book. I don't want to read e-books or watch videos, which is very tiring! It would be best if it is like Mr. Guo's 51, where he ...
I wanted to pair the CH554 with a TFT serial screen, but the 3.3V pins on the board were too few, so the serial screen was destroyed during the test! I had to use a LCD12864 LCD screen to replace the ...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]