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Description: Features
• Compatible with MCS-51® Products
• 8K Bytes of In-System Programmable (ISP) Flash Memory
– Endurance: 1000 Write/Erase Cycles
• 4.0V to 5.5V Operating Range
• Fully Static Operation: 0 Hz to 33 MHz
• Three-level Program Memory Lock
• 256 x 8-bit Internal RAM
• 32 Programmable I/O Lines
• Three 16-bit Timer/Counters
• Eight Interrupt Sources
• Full Duplex UART Serial Channel
• Low-power Idle and Power-down Modes
• Interrupt Recovery from Power-down Mode
• Watchdog Timer
• Dual Data Pointer
• Power-off Flag-Features
Platform: |
Size: 212863 |
Author: haojun |
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Description: Features
• Compatible with MCS-51® Products
• 8K Bytes of In-System Programmable (ISP) Flash Memory
– Endurance: 1000 Write/Erase Cycles
• 4.0V to 5.5V Operating Range
• Fully Static Operation: 0 Hz to 33 MHz
• Three-level Program Memory Lock
• 256 x 8-bit Internal RAM
• 32 Programmable I/O Lines
• Three 16-bit Timer/Counters
• Eight Interrupt Sources
• Full Duplex UART Serial Channel
• Low-power Idle and Power-down Modes
• Interrupt Recovery from Power-down Mode
• Watchdog Timer
• Dual Data Pointer
• Power-off Flag-Features
Platform: |
Size: 212992 |
Author: haojun |
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Description: at89s52单片机高级语言程序
用处比较大-AT89S52 Single-chip high-level language program more useful
Platform: |
Size: 10240 |
Author: ll |
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Description: at89s52单片机高级语言程序
用处比较大-AT89S52 Single-chip high-level language program more useful
Platform: |
Size: 72704 |
Author: ll |
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Description: at89s52单片机高级语言程序
用处比较大-AT89S52 Single-chip high-level language program more useful
Platform: |
Size: 36864 |
Author: ll |
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Description: at89s52单片机高级语言程序
用处比较大-AT89S52 Single-chip high-level language program more useful
Platform: |
Size: 19456 |
Author: ll |
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Description: at89s52单片机高级语言程序
用处比较大-AT89S52 Single-chip high-level language program more useful
Platform: |
Size: 2048 |
Author: ll |
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Description: 文 件 名：test009.c
* 功 能：外部中断1低电平触发实验。
* 硬件条件：1.CPU型号：AT89S52
* 2.晶振：12.000MHz
* 3.用跳线帽短接BEEP_P1.3
* 4.用跳线帽短接KEY3_P3.3
* 5.用跳线帽短接LED11__P1.7-File name: test009.c* Features: low level triggered external interrupt 1 experiment.* Hardware requirements: 1.CPU Model: AT89S52* 2. Crystal: 12.000MHz* 3. Shorted with jumper caps BEEP_P1.3* 4. Shorted with jumper caps KEY3_P3.3* 5. With a short jumper cap Then LED11__P1.7
Platform: |
Size: 9216 |
Author: 卓依凡 |
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Description: 测量水位高度的测量电路和控制水位高度的51单片机程序，测量水位的传感器制作方法。该方法成本很低，而测量精度也不错。
开发软件keil C51 单片机是AT89S52 -A high degree of measuring the water level measurement and control circuit of the 51 high level single-chip process, the sensor measuring the water level method. This method is low cost, and the measurement accuracy is not bad. Keil C51 software is a single-chip AT89S52
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Size: 401408 |
Author: 廖振伟 |
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Description: 本文以AT89S52单片机为核心，设计了全自动洗衣机控制系统。本系统实现了对洗衣机整个洗衣过程的控制，包括用户参数输入、洗衣、脱水和结束演奏四个阶段。控制系统主要由电源电路、数字控制电路和机械控制电路三大模块构成。电源电路为数字控制电路提供稳定的5V直流电压，为电动机提供220V市电；数字控制电路负责控制洗衣机的工作过程，主要由AT89S52单片机、两位共阴数码管、按键、蜂鸣器、LED指示灯组成；机械控制电路实现水位检测、电机驱动、进水、排水等功能，主要由水位检测器、电动机、传动系统部件、进水排水电磁阀组成。-In this paper, AT89S52 microcontroller core, design a fully automatic washing machine control system. The system of washing machines to achieve the control of the entire laundry process, including user parameter input, laundry, dehydration and the end of playing four stages. Control system mainly consists of power circuit, digital control circuit and mechanical control circuit constituted the three major modules. Power supply circuit for the digital control circuit to provide a stable 5V DC voltage for the motor to provide 220V electricity digital control circuitry responsible for controlling the washing machine s working process, mainly by the AT89S52 microcontroller, two were overcast digital control, button, buzzer, LED instruction Light composition mechanical control circuit water level detection, motor, water, drainage and other functions, mainly by the water level detectors, motors, transmission parts, water drain solenoid valve component.
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Size: 296960 |
Author: 买永乐 |
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Description: 这是一个基于AT89S52的单片机贪吃蛇游戏机，没有外扩RAM的。等级可以调节，有3等，游戏可以暂停。-This is a game based on Snake AT89S52 MCU, RAM, no external expansion. Level can be adjusted, 3 and so on, the game can be suspended.
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Size: 63488 |
Author: chenzhqiang |
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Description: 用AT89S52实现简单的洗衣过程，水位的高低显示和设定，洗衣方式的选择，洗衣结束蜂鸣器报警功能-Simple laundry process, display and set the high and low water level, the choice of means laundry, laundry end of the buzzer alarm
Platform: |
Size: 12288 |
Author: 王子 |
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Description:
鉴于目前的技术水平与市场的接收程度，电子密码锁是这类电子防盗产品的主流。本次设计使用ATMEL公司的AT89S52实现一基于单片机的电子密码锁的设计-Given the current level of technology and the market reception of the degree of electronic code lock is such mainstream of electronic security products. This design uses ATMEL AT89S52 company to achieve a single chip based on the design of electronic locks
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Size: 189440 |
Author: |
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Description: 調試要求：
1.MCU:AT89S52芯片或AT89C52
2.晶振:12MHz
調試注意：
本程序不帶溫度補償
1.LCD1602液晶屏有顯示後，才接入超聲波模塊。
2.注意超聲波模塊電源的極性。不清楚請參好淘寶的電路圖
3.沒有選用頻率為12MHz晶振，用了別的頻率晶振,單片機定時器的測量值與發出的40KHz頻率脈衝不對。
4.使用者經常誤發出20KHZ脈衝當40KHZ脈衝。（40KHz頻率脈衝，週期25us,占空比為50 = 12.5us）
5.如果是用開發板調超聲波模塊,請檢查開發板上的電路是否與超聲波模塊的
控制腳復用了, 若復用了,請通過跳線分開發板上的電路。
6.如果使用的是萬用板，請確定單片機的復位電路和晶振電路是否正常，同時單片機的31腳（EA）記得
接高電平。-The debugging requirements: 1.MCU: AT89S52 chip AT89C52 2. Crystal: 12MHz debugging Note: the program without the temperature compensation 1.LCD1602 LCD display access ultrasonic module. Note ultrasonic module power supply polarity. Unclear please refer to the a good Taobao circuit diagram 3. Chosen frequency 12MHz crystal oscillator with a different frequency crystal, the microcontroller timer measurement values with the issue 40KHz frequency pulse is not right. Users often mistakenly issued 20KHZ pulse when 40KHZ pulse. (40KHz frequency pulse, cycle 25us, a duty cycle of 50 = 12.5us), 5. Tune with development board ultrasonic module, please check the development board circuit with the the ultrasonic module control pin multiplexing, Ruofu by jumper division developed the circuit board. 6 If you are using a wildcard board, to determine whether the microcontroller reset circuit and crystal oscillator circuit, microcontroller 31 feet (EA) remember to connect the high level
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Size: 37888 |
Author: Poter |
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Description: 采用AT89S52单片机为核心部件，用温度传感器DS18B20及超声波进行采集，控制水温、水位及报警电路的工作，传感器DS18B20测量温度范围-55～+125℃，精度可达±0.5℃，超声波测距范围宽，误差小于1 ，自动的温差补偿功能使其工作更加稳定可靠。-USES the AT89S52 single chip microcomputer as the core components, using temperature sensor DS18B20 and acquisition of ultrasonic water temperature, water level control and alarm circuit, sensor DS18B20 measurement- 55 ~+ 125 ℃ temperature range, accuracy of plus or minus 0.5 ℃, a wide range of ultrasonic ranging error is less than 1 , automatic temperature compensation function to make it work more stable and reliable.
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Size: 80896 |
Author: 邱佳佳 |
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Description: 设计的酒精浓度检测系统，可实现以下功能：
1、当有特殊情况时可按紧急报警键报警，也可手动取消紧急报警功能。
2、平时可设置酒精浓度和高温报警值，其中酒精浓度有1—9级，环境温度有0--99度，可根据需要设置同时系统的按键还具有连加、减功能，操作起来非常方便，系统还能够在进入设置界面后，如果没有按键按下30秒后会自动退出设置界面。并且有掉电保存功能，设置的参数保存在单片机内部EEPOM中。
3、当MQ-3传感器检测到酒精时，信号由ADC0832进行模数转化得到数字信号，接着传送到AT89S52控制器中处理，当检测到浓度超过设置的酒精浓度时，蜂鸣器会发出报警声。
4、当检测到的温度超过设定的报警温度的时候，蜂鸣器将产生报警声。-Alcohol concentration detection system design can achieve the following functions:
1, there are special circumstances when an emergency alarm button alarm can also be manually cancel the emergency alarm.
2, usually alcohol concentration and temperature can be set alarm values , which have 1-9 alcohol concentration level, ambient temperature 0- 99 degrees, the system can simultaneously connect buttons also have to add, subtract function according to their needs, the operation is very convenient the system is also able to enter the setting interface, the interface will automatically exit the setting after 30 seconds if no button is pressed. And power-down save function, parameter settings are stored in the internal microcontroller EEPOM.
3, when the MQ-3 sensor detects alcohol, the signal from the analog to digital conversion ADC0832 get a digital signal, and then transferred to the AT89S52 controller proce
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Size: 128000 |
Author: 吴 |
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Description: 本文介绍了一种利用AT89S52单片机为控制核心，结合多种传感器实现循迹、避障、红外遥控、控速、灭火功能的智能小车。利用BFD-1000传感器检测赛道实现小车循迹，利用两个红外传感器检测道路上的障碍，控制电动小汽车的自动避障，整个系统具有自动寻迹、避障和红外遥控、控速等测试功能。其中，控制部分采用AT89S52，AT89S52是一款8位单片机，它的易用性和多功能性受到了广大使用者的好评。电机驱动采用常用的PWM方式进行电机的调速控制。整个系统的电路结构较简单，可靠性能高，能满足各种设计的要求。随着我国高科技水平的不断提高和工业自动化进程的不断推进，智能小车被广泛应用于各种玩具和其他产品的设计中，极大地丰富了人们的生活。-This paper introduces a kind of using AT89S52 single chip microcomputer as control core, combined with a variety of sensors tracking and obstacle avoidance, infrared remote control, speed control, fire extinguishing function of smart car. BFD- 1000 sensor detection circuit to realize the vehicle tracking, using the two infrared sensor detection in the way, the control electric car automatic obstacle avoidance, the whole system with automatic tracing, obstacle avoidance and the infrared remote control, the speed test function. Among them, the control part adopts the AT89S52, AT89S52 is an 8-bit microcontroller, its ease of use and versatility has been well received by the majority of users. Motor driver USES the common way of PWM motor speed control. The circuit structure of the whole system is simple, reliable performance is high, can meet the requirements of various design. With the continuous improvement of our country high-tech level and the advancement of industrial process automat
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Size: 21504 |
Author: Shirley |
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Description: 1.MCU:AT89S52芯片或AT89C52
2.晶振:12MHz
本程序带温度补偿，采用DS18B20测量温度
1.LCD1602液晶屏有显示后，才接入超声波模块。
2.注意超声波模块电源的极性。不清楚请参好淘宝的电路图
3.没有选用频率为12MHz晶振，用了别的频率晶振,单片机定时器的测量值与
发出的40KHz频率脉冲不对。
4.使用者经常误发出20KHZ脉冲当40KHZ脉冲。（40KHz频率脉冲，周期25us,
占空比为50 = 12.5us）
5.如果是用开发板调超声波模块,请检查开发板上的电路是否与超声波模块的
控制脚复用了, 若复用了,请通过跳线分开发板上的电路。
6如果使用的是万用板，请确定单片机的复位电路和晶振电路是否正常，同时
单片机的31脚（EA）记得 接高电平。-1.MCU:AT89S52 chip or AT89C52
2: 12MHz crystal
This procedure with temperature compensation, temperature measurement using DS18B20
1.LCD1602 LCD display, ultrasonic module to access.
2 note the polarity ultrasonic module power supply. Not clear please reference the good Taobao circuit diagram
3 does not use frequency of 12MHz crystal, with other frequency oscillator, timer value and measurement
The frequency of 40KHz pulses emitted by the wrong.
4 user often mistakenly sent 20KHZ pulse when the 40KHZ pulse. (40KHz pulse frequency, cycle 25us,
The duty cycle is 50 = 12.5us)
5 if it is adjustable ultrasonic module development board, please check whether the circuit development board and the ultrasonic module
Control pin multiplexing, if reuse, please by jumper circuit development board.
6 if you are using a universal board, please make sure to reset circuit and oscillator circuit of MCU is normal, and at the same time
MCU 31 feet (EA) remember with the high level.
Platform: |
Size: 1888256 |
Author: 董熙科 |
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Description: 本智能豆浆机的控制系统是基于AT89S52单片机来实现的，其主要功能有： 1.可以手动和自动对各种谷物和豆类进行加热和粉碎，工作模式分手动粉碎，手动加热和自动三种。 2.在豆浆机工作的过程中，数码管能给予温度和工作模式的显示。 3.在豆浆机工作过程中能对液位溢出和豆浆机干烧进行检查，发现后能蜂鸣报警并停止相关工作。 4.豆浆机工作完成时，能蜂鸣报警，提醒用户。 豆浆机的自动工作流程有软件控制：先判断是否干烧，再加热到80度，然后停止加热，进行粉碎并在间隙进行加热，再度检查液位，是否干烧，再进行加热，进入防溢延煮过程，防溢延煮后，发出报警声，提示豆浆已做好。液位溢出保护和防干烧保护用中断来控制，其检测由于没有防溢电极，功能用开关来模拟实现。-The intelligent soybean milk machine is implemented based on AT89S52 single chip microcomputer control system, its main functions are: 1. It can be manually and automatically to heat and crush all kinds of cereals and legumes, its work modes are divided into crushing , heating and automatic . 2. In the process of soybean milk machine work , digital tube can display temperature and working mode 3 . During the working process of the soybean milk machine , it can check overflow and soybean milk machine dry heating liquid level, after that the buzzer begin to alarm and the machine stop working.4. When the work of Soybean milk machine completed, the buzzer start to alarm ,and remind the user. The software control automatic workflow of Soybean milk machine: first to determine whether dry, and then heated to 80 degrees, then stop heating, and crushing and heated in clearance, and inspection level again, whether dry, heated again, enter spill-proof cooking process, prevent excessive delay a
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Size: 73728 |
Author: tance |
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Description: 采用Atmel公司的AT89S52为核心，实现PC机与单片机系统之间的数据通信。单片机系统采集温度，将数据通过串口将数据传送至PC机，PC机上实现温度显示。用MAX232芯片完成单片机TTL电平到RS-232双向电平的转换 ；用46的矩阵式键盘完成所要显示的数据发送；用LED七段数码管显示接收和发送的数据。在软件设计方面，PC机采用VB或者VC语言编程，使用通信控件来实现串行口收发数据；单片机方面用中断方式完成数据的接收和发送。-Adopts AT89S52 as the core of Atmel company, realize the data communication between PC and single chip microcomputer system.SCM system to collect temperature, the data via a serial port to transfer data to PC, PC to realize the temperature display.Complete the single chip microcomputer with MAX232 chip TTL level to the RS- 232 two-way level conversion With 46 matrix keyboard to complete to display the data sent With seven segment digital tube LED display to send and receive data.In the aspect of software design, the PC using VB or VC programming language, USES the communication control to realize the serial port to send and receive data Single chip microcomputer aspects complete data receiving and sending in interrupt mode.
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Size: 24725504 |
Author: 因一 |
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