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Many medical applications require portable, self-powered devices that do not require external power and data cables. The most obvious example is a portable data logger that patients carry with them...[Details]
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As cell phones and other portable electronic devices become more advanced, the amount of power consumed by systems in both active and standby states is increasing. As a result, power management des...[Details]
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3 System Solution Implementation 3.1 Simulation and description of each module Notetabs is used as the address generator of the note rom. This module has an 8-bit binary counter with a frequency of 4...[Details]
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/** * @brief Reads the specified GPIO input data pin. * @param GPIOx: Select the GPIO peripheral number (x = A to I). * @param GPIO_Pin: Specifies the pin number. * This parameter can be one ...[Details]
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Preface
FOC is indispensable for permanent magnet synchronous motor control. This chapter mainly introduces the basic principles of FOC control, coordinate transformation, and the mathematical...[Details]
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Entry condition: Operand is in .
Exit information: Result is still in .
Affected resources: DPTR, PSW, A, B, R2~R7, bits 1CH~1FH Stack requirement: 7 bytes
FATN: MOV A,@R0
MOV C,ACC.7...[Details]
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According to the latest report released by research firm IHS, in 2014, the scale of China's photovoltaic inverter market reached 13.3 GW, an increase of 18% year-on-year. IHS said that in view of t...[Details]
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If the SMPS
switching
frequency is designed to be non-fixed and to change around a certain frequency, its
EMC
electromagnetic wave will spread out and will not produce large pea...[Details]
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The current MOS driver has several special applications
1. Low voltage application
When using a 5V power supply, if the traditional totem pole structure is used, the voltage added to th...[Details]
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1.__asm
The keyword __asm is used to tell the compiler that the following code is written in assembly language, so that assembly statements can be used directly in C programs.
2.__inline
...[Details]
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On October 13, TSMC, the leading wafer foundry, held a press conference today and announced its third quarter financial report. Both revenue and profits maintained double-digit growth month-on-month,...[Details]
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introduction With the development of power electronics technology, various power electronics devices and switching power supply products have been widely used. While the technology is developing rap...[Details]
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MediaTek has released the Xunkun™ 900T, a new member of the MediaTek Xunkun™ series of mobile computing platforms, which enriches MediaTek's product portfolio in the mobile computing market and hel...[Details]
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Use the AD built into the STC12C2052 microcontroller chip to sample the voltage and display it on the digital tube. The following is the assembly language source program:
;===================Digital ...[Details]
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Let’s start by introducing the common components of the AC input EMI filter circuit.
AC input socket:
This is the first checkpoint for AC power to enter the power supply from th...[Details]
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