[i=s]This post was last edited by dontium on 2015-1-23 11:46[/i] Clock jitter makes random jitter and phase noise a problem that has always troubled me. I have also looked up a lot of information on t...
[code]library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_unsigned.all; entity save is port( frame:in std_logic; --When high level, store wrsig:in std_logic; --When rising edge, a Bytes of d...
I recently saw an application that uses the internal oscillator of 95F564K to achieve 16-bit 15kHz frequency PWM. It requires 15kHz*65536=983040=983.04MHz main frequency. How is this possible? Does an...
I drew the PCB directly without a schematic diagram, so there are no networks on the pads. I want to add networks. Is there a quicker way besides editing and adding them one by one using Netlist Manag...
I am learning C language for microcontrollers and now trying to learn modular programming. I extracted the DELAY function from a simple LED light program as an independent module. I made mistakes N ti...
Some time ago, I saw that many places were porting NES emulators, so I also made one on 9B96 to play with it.1. The game is displayed on the 9B96 built-in screen;2. Use USB OTG to connect an external ...
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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[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]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
1. Advantages of CAN-bus in coal mine communication
Coal mine production is a field closely related to the national economy and people's livelihood. Among them, coal mine safety is undoubtedly ...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
Analogue and Mixed Signal
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