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The S3C2440A has 130 multi-function input/output pins, which are included in the following 9 groups of ports. ● 1 25-bit output port (Port A). ● 1 11-bit output port (Port B). ● 4 16-bit input/output...[Details]
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There are two ways to read and write registers
1. In the hw_types.h file
//************************************************************************************
//
// Macros for hardware acc...[Details]
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Preface
The development of wireless networks and the increasing number of mobile terminals have greatly promoted the development of wireless payments. Wireless payment refers to the use of mobile ...[Details]
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1. System plan This design uses AT89C52 microcontroller as the main controller. The LCD 1602 displays the temperature and humidity. LabView communicates with the host computer. The host computer disp...[Details]
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Abstract
: As a driving execution unit, stepper motors are widely used in industrial and civilian fields. This paper discusses and studies the application of adaptive control technology to the dr...[Details]
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I haven't written an article for a long time. After nearly half a year of running around, I can finally write something! When I was working in Guangzhou, my colleagues strongly recommended me to use U...[Details]
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Recently, Anhui Yunta Electronic Technology Co., Ltd. (hereinafter referred to as "Yunta Technology"), in conjunction with the School of Microelectronics of the University of Science and Technology o...[Details]
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The corresponding C application is as follows:
#include reg51.h
sbit p20=P2^0;
sbit p21=P2^1;
sbit p22=P2^2;
sbit p23=P2^3;
void delay(unsigned int z)
{
while(z--);
}
void main()
{
...[Details]
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Commonly used basic library functions: void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState) //Enable port clock void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPI...[Details]
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New digital power controllers such as the UCD9110 or UCD9501 need to be supported by new intelligent integrated MOSFET drivers. Power designers are still skeptical about digital power control techn...[Details]
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Most LED power supply circuits are composed of a switching power supply circuit + a feedback circuit. The feedback circuit samples the load and adjusts the duty cycle or frequency of the switching ...[Details]
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Soil Tester Soil is the foundation of plant growth, and the nutrient content in it determines the level of crop yield and quality. Therefore, soil nutrient testing must be done in the agricultural p...[Details]
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Jiwei.com reported that Ericsson recently released its second quarter 2021 financial report. The report showed that in the second quarter of 2021, Ericsson's sales were 54.9 billion Swedish kronor (a...[Details]
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The program was modified from JZ2440 The files used are as follows: crt0.S,leds.bin,leds.c,leds.lds,Makefile crt0.S @**************************************************************************...[Details]
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Both car companies and consumers are looking forward to the arrival of all-solid-state batteries, because solid-state batteries can solve the "pain points" of electric vehicles, such as "range anxi...[Details]
ST - Low Power RF
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