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The standard control method used in
early
switch mode power supply
(SMPS) designs is called "
voltage
mode" operation. A ramp generator drives one input of a voltage comparator,...[Details]
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From the step-by-step restrictions on Chinese companies such as Huawei, to the expansion of export controls under the Wassenaar Arrangement, to the acceleration of supply chain companies’ withdrawal ...[Details]
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//Now let's take a look at another function of interrupt initialization, early_trap_init(), which is implemented in the file arch/arm/kernel/traps.c.
void __init early_trap_init(void)
{
//CONFIG...[Details]
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I have a 1602 LCD, ks0066 driver chip, with LED backlight. I wrote a driver with reference to some information on the website. After writing it, I found that it is basically the same as the code ci...[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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Abstract: Aiming at the special application occasions where the configuration of FPGA devices needs to be switched to realize different functions, an FPGA multi-configuration system using a large...[Details]
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Entering the 21st century, energy consumption has increasingly become the focus of attention of the entire human society. Due to the basic demand for lighting, how to more effectively use various e...[Details]
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This paper presents a temperature intelligent monitoring instrument based on ATMET's 89C51 single-chip microcomputer. The monitoring instrument has the functions of automatically recording the thre...[Details]
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Resistors, inductors, and capacitors are the most commonly used passive components in almost all electronic circuits. Of the three, the resistor and capacitor values are usually marked with a resis...[Details]
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Today, at the "2021 Huawei Global Analyst Conference", Gan Bin, vice president of Huawei's wireless network product line, said in an interview with Jiwei.com and other media that wireless networks ar...[Details]
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Ultrasonic motor (USM) is a new type of micro-actuator developed in recent years. USM breaks through the concept of electromagnetic coupling of traditional motors and relies on the inverse piezoelectr...[Details]
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Provides a faster, more reliable way to protect electronic devices in electric vehicle applications The new device has 6 models and is suitable for 400-800V battery systems The high-voltage elec...[Details]
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Speaking of Panasonic Lumix DC-FZ10002GK, I believe many people have an impression of it, but the impression is not deep, because today, with the popularity of micro-single cameras, many people only ...[Details]
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51 microcontroller washing machine control board and C language program. The control board microcontroller adopts AT89C51 microcontroller. The designed fully automatic washing machine functions inclu...[Details]
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Last time, I talked about learning UBOOT code, but before reading it, you must first know the programming resources of the target machine. The resources here refer to the resources provided by S3C4...[Details]