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Hello everyone, we are back to discuss the memory composition of S3C2440. Let’s take a picture first: figure 1 S3C2440 is a 32-bit microcontroller (please allow me to call it a microcontroller, bec...[Details]
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Because it can be accurately divided into clock frequencies, related to the baud rates commonly seen in UARTs (Universal Asynchronous Receiver/Transmitter). Especially for higher baud rates (19600, 1...[Details]
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Discuss how the DS1232 can be used for micromonitoring of 8051-based systems. This supervisory circuit provides power-on reset (POR), manual reset (push-button) input, watchdog timer (strobe timer), ...[Details]
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The AT89S51 microcontroller has a bit processor inside, which has a rich set of bit operation instructions for the bit address space. 1. Data bit transfer instructions The function of thi...[Details]
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// HSI is a 16MHz clock, with a default frequency division of 8 // CLK_CKDIVR controls the HSI's own division value and the CPU's division value void Clock_Init(void) { while(!CLK_ICKR_HSIRDY) //...[Details]
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Measure the level value of potentiometer Rb2 and display it on the digital tube. First, check whether the I2Cdelay() time is sufficient, because the time of a _nop_() is one machine cycle. main.c...[Details]
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#include
#include macros.h
#define uchar unsigned char
#define uint unsigned int
void delay()
{
uchar i;
for(i=0;i 100;i++);
}
void init()
{
DDRB|=0XA0;
DDRA|=BIT(PA1)...[Details]
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Digital Tube: The digital tube is composed of 7 light-emitting diodes forming a sun shape. If a decimal point needs to be displayed, then add another dot, which becomes an 8-segment digital tube. ...[Details]
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There are two types of monitoring systems, C/S mode and B/S mode. The C/S mode requires the installation of a client on the PC and a server on the embedded system, which not only increases the de...[Details]
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Automotive electronics are in a noisy environment
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so automotive electronics must have excellent electromagnetic compatibility (EMC) performance. The most important part of automotive elec...[Details]
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1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
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1 Introduction In recent years, with the rapid development of embedded system technology, network communication technology and home appliance industry, information technology is gradually penetrati...[Details]
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Functional Analysis
Register Analysis
代碼分析
////////////////////////////////////////////////////////////////////////////////////UART Initialization/////////////////////////////////////////////////...[Details]
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1. Transplantation Environment
Host:
Ubuntu
Development board: Friendly Arm mini2440
Compiler: arm-linux-gcc-4.3.2
u-boot：u-boot-2009.03.tar.bz2
...[Details]
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1 Introduction
The AT89C2051 single-chip microcomputer is used to realize the large-capacity decoding function of PT2262. This design can solve the problem that one PT2272 can only decode ...[Details]
Embedded System
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