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1 Overview
P89C51RD2 is a derivative product of PHILIPS based on the 8-bit 80C51 microcontroller. While fully retaining the 80C51 instruction system and hardware structure, it has been streng...[Details]
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During power-on measurement, since the current loop or voltage loop of the power meter will produce voltage drop or shunt power, it will bring a certain error Δp to the measured value, making the m...[Details]
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IT Home reported on May 9 that today, TF International analyst Ming-Chi Kuo said that due to the strong demand for optical screen fingerprint phones, the expected shipment volume of screen fing...[Details]
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BH1415F FM console control C program uses keilC51 through debugging //Use AT89C52 microcontroller, 12MHz crystal oscillator, and common anode four-digit LED digital tube //P0 port outputs segment c...[Details]
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In low-power switching power supplies, simple winding rectification is basically used to provide VCC, and the VCC power supply of the IC is the core of the switching power supply. In the debugging ...[Details]
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The Digital China Innovation Competition is an important supporting event of the Digital China Summit. It is jointly hosted by multiple national ministries and Fujian Province. It ...[Details]
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As a light source, dimming is very important. Not only to create a more comfortable environment at home, but also to reduce unnecessary electric light to further achieve the goal of energy conserva...[Details]
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Millimeter waves refer to electromagnetic waves with an operating frequency of 30 to 100 GHz and a wavelength of 1 to 10 mm. Because the wavelength of millimeter waves is between microwaves and centi...[Details]
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After the Mate 30 series new product launch in Munich, Germany, Huawei CEO Richard Yu was interviewed by several media outlets. During the interview, he answered some questions related to the new pho...[Details]
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#define uint unsigned int
#define uchar unsigned char
sbit k1=P2^0;
sbit k2=P2^1;
uint code table ={0X00,0X80,0X10,0X90,0X20,0XA0,0X30,0XB0,0X40,0XC0 };
void delay(uint z)
{
uin...[Details]
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*************************************************** ***
Predefined macros in the ARM compiler
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ARM compiler predefines some macros. These prede...[Details]
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London-based investment firm Actis has agreed to invest in the Terra Solar Project in the Philippines. The planned installation is touted to be the world’s largest solar-plus-storag...[Details]
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Some media disclosed that BYD was considering an IPO of its insulated gate bipolar transistor (IGBT) business, but BYD responded that BYD Group has no relevant information to disclose at present. I...[Details]
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The step diode
parallel shaping circuit and the series shaping circuit
introduced above
are cascaded to form a parallel-series shaping circuit. This circuit is shown in the figure.
...[Details]
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Third quarter net revenue of $3.25 billion; gross margin of 37.8%; operating margin of 11.7%; net profit of $351 million
Net revenue for the first nine months was $9.95 billion; gro...[Details]
Microcontroller MCU
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