Moderator: Hello!Can I ask if the PLL can be modified in the STM32 operation path? For example, when starting up, the main frequency is first set to 72MHz, and then changed to 36MHz?...
I am working on a graduation project and I have encountered several problems. Please help me, thank you! 1. The current program mainly uses SPCE061 to realize voice playback. No matter how I modify it...
The soul-stirring classic Guns N Roses Don'cry The most classic collaboration of the two divas Mariah Carey and Whitney: Houston When The voice is beautiful, the pronunciation is clear, the ethereal a...
HuaDa MCU HC32F4xx series (HC32F460 HC32F4A0) can run at a maximum of 200Mhz, but the internal Flash needs to add different waiting cycles after the CPU operating frequency reaches 33M.Therefore, when...
After experiencing rapid development in 2003 and 2004, the global semiconductor market slowed down in 2005, with power management chips achieving sales of US$9.02 billion, up 8.9% year-on-year, far lo...
With the continuous development of the automobile industry, the degree of electrification is getting deeper and deeper, so the electrical system stability of various front/rear mounted equipment is be...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[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]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[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]
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]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[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]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[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]
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