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Introduction: IEEE 1149.1 boundary scan test standard (commonly referred to as JTAG, 1149.1 or "dot 1") is an industry standard method for testing the characteristics of complex ICs and circuit boa...[Details]
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Interrupts largely reflect the performance of a microcontroller. From this point of view, MSP430 does a very good job in interrupts, mainly by providing a very rich interrupt source, the basic ones a...[Details]
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The basic information required for motor selection includes: the type of load driven, rated power, rated voltage, rated speed, and other conditions.
1. Type of load driven
This has ...[Details]
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At present, the industry generally uses read-only memory images (ROMs) with dynamic passwords (OTPs) to develop some boot upgrade code logics with high security requirements. This solution will be bu...[Details]
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The USB interface uses the USB interface chip CH 375 developed by Nanjing Qinheng Electronics Co., Ltd., which adopts a passive parallel interface. CH375 works in the host mode, mainly realizing th...[Details]
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By Henry Zhang and Kevin B. Scott, Analog Devices There are three common current sensing methods for switch mode power supplies: using a sense resistor, using the MOSFET RDS(ON), and using the DC r...[Details]
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ICSP interface circuit In-circuit serial programming (ICSP) is one of the features of PIC microcontrollers. It can burn programs directly into the microcontroller and perform in-circuit serial progra...[Details]
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Stepper motors are often used for positioning control. The number of pulses output by the PLC can control the angle of rotation (relatively speaking, it can be the distance), and the frequency of t...[Details]
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void Counter_Config() { NVIC_InitTypeDef NVIC_InitStructure; GPIO_InitTypeDef GPIO_InitStructure; TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; RCC_APB1PeriphClockCmd(RCC_APB1Periph...[Details]
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If we compare a digital camera to a person, the lens is like the lens in the eye, the photosensitive element is like the retina in the eye, and the processor chip corresponds to the brain.
Th...[Details]
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From the weighing principle, we know that the instantaneous flow of the material measured by the weighing sensor depends on two parameters, namely, the instantaneous flow is equal to the multiplicatio...[Details]
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Smart pressure transmitter calibration steps The calibration and inspection steps of 154608PDS series intelligent pressure transmitter are as follows: 1. Unscrew the side cover of the transmitt...[Details]
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On August 19, poor signal has always been a long-standing pain for iPhone users. In order to solve this problem, Apple began to independently develop baseband chips in 2019 to replace the Qualcomm ...[Details]
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Valens Semiconductor Ltd. (hereinafter referred to as Valens ), a major Israeli automotive semiconductor manufacturer, was founded in 2006 and focuses on multimedia audio and video transmission tech...[Details]
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There was a programming master who wrote unstructured programs. A beginner deliberately imitated him and also wrote unstructured programs. When he showed his progress to the master, the master critic...[Details]
Analogue and Mixed Signal
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