Description: 键盘扫描LED驱动芯片ch451资料及c语言源代码-keyboard scan LED driver chip ch451 information and c language source code Platform: |
Size: 76800 |
Author:nizq |
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Description: 键盘控制芯片C语言控制程序，通过该程序可以实现7219芯片大部分LED控制功能的演示，以及键盘的读取，其中的I2C子函数也可以用于其他I2C器件-keyboard controller chip C language control procedures, the adoption of the 7219 procedures can be achieved most of LED chip control functions of the display, keyboard and read, I2C Functions can also be used for other I2C devices Platform: |
Size: 38912 |
Author: |
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Description: ZLG7290B 是广州周立功单片机发展有限公司自行设计的数码管显示驱动及键盘扫描
管理芯片。能够直接驱动8 位共阴式数码管（或64 只独立的LED），同时还可以扫描管理
多达64 只按键。其中有8 只按键还可以作为功能键使用，就像电脑键盘上的Ctrl、Shift、
Alt 键一样。另外ZLG7290B 内部还设置有连击计数器，能够使某键按下后不松手而连续有
效。采用I2C 总线方式，与微控制器的接口仅需两根信号线。该芯片为工业级芯片，抗干扰
能力强，在工业测控中已有大量应用。-Canton weeks ZLG7290B is Ligong Singlechip Development Co., Ltd. to design the digital tube display driver and the keyboard scan management chip. Can directly drive a total of 8 vaginal digital tube (or 64 independent LED), at the same time management can also scan up to 64 keys. Which has 8 buttons can also be used as function keys, like the computer keyboard on the Ctrl, Shift, Alt keys like. Another internal ZLG7290B batter has also set up counters, can press a button and a row after不松手effective. Using I2C bus mode microcontroller interface with only two signal lines. The chip-on-chip for industry, anti-interference ability, in the industrial measurement and control has been a large number of applications. Platform: |
Size: 43008 |
Author:田鹏飞 |
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Description: HD7279(A)是一片具有串行接口的，可同时驱动8位共阴式数码管(或64只独立LED)的智能显示驱动芯片，该芯片同时还可连接多达64键的键盘矩阵。
HD7279内部含有译码器，可直接接受16进制码，HD7279A还同时具有2种译码方式，HD7279(A)还具有多种控制指令，如消隐、闪烁、左移、右移、段寻址等。
-HD7279 (A) is with a serial interface and can also drive a total of 8 vaginal digital tube (or 64 independent LED) intelligent display driver chip, the chip can also connect up to 64-key keyboard matrix. HD7279 contain internal decoder can be directly accepted 16 hexadecimal code, HD7279A also have two kinds of decoding methods, HD7279 (A) also has a variety of control orders, such as blanking, blinking, the left, shifted to right, Duan search sites. Platform: |
Size: 45056 |
Author:逆流 |
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Description: 系统实验板原理图掌握七段码显示器硬件线路原理掌握用HD7279A 芯片
实现显示的编程方法
HD7279A 是一片具有串行接口的,可同时驱动8 位共阴式数码管(或64 只独立LED)的
智能显示驱动芯片该芯片同时还可连接多达64 键的键盘矩阵
HD7279A 内部含有译码器可直接接受16 进制码HD7279A 还同时具有2 种译码方
式HD7279A 还具有多种控制指令如消隐闪烁左移右移段寻址等-System board schematic master code display hardware and seventh line with the principle of master chip HD7279A Programming HD7279A shown is the one with the serial interface, can drive a total of 8 vaginal digital tube (or 64 independent LED) of the smart display driver chip at the same time the chip can connect up to 64 key internal keyboard matrix containing HD7279A decoder can accept the 16 hexadecimal code directly HD7279A also have two kinds of decoding methods HD7279A also has a variety of control commands, such as blinking blanking shifted to right above the left, such as addressing Platform: |
Size: 7168 |
Author:wangdong |
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Description: 一、课程设计题：单片机教学打铃控制器程序设计
二、设计要求：
用LED数码管显示时、分、秒时间，尽量减少时间积累误差，具有秒闪功能。
最多能设置40个打铃时间点，打铃时间点数据用非易失存储器存储，防止掉电丢失数据；能逐个检查、修改、删除已设置的打铃时间点和增加打铃时间点。
对时、打铃时间点用键盘设置，键盘设计简单、易于操作。
具有强电驱动功能，便于控制220V的电铃。
-First, the curriculum design title: Single-chip controller Darlin teaching program design 2, design requirements: LED digital display with hour, minute, second time, to minimize the time the accumulation of errors, with flash function seconds. Set up to 40 point in time to fight bell, bell time playing with non-volatile memory data storage, power-down to prevent loss of data can check one by one, modify, delete set point in time to fight bell and bell playing time increase. On when the bell time playing with the keyboard settings, keyboard is designed to be simple and easy to operate. Strong function of electric drive, easy to control the bells 220V. Platform: |
Size: 272384 |
Author:卢志文 |
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Description: ＣＨ４５１是一个整合了数码管显示驱动和键盘扫描控制以及Ｐ监控的多功能外围芯片。ＣＨ４５１内置ＲＣ振荡电路，可以直接动态驱动８位数码管或者６４位ＬＥＤ， 具有ＢＣＤ译码或不译码功能，可实现数据的左移、右移、左循环、右循环、各数字独立闪烁等控制功能。 ＣＨ４５１内置大电流驱动级， 段电流不小于３０ｍＡ，字电流不小于１６０ｍＡ，并有１６ 级亮度控制功能；在键盘控制方面，该器件内置６４键键盘控制器，可实现８×８矩阵键盘扫描，并内置去抖动电路，可提供按键中断与按键释放标志位等功能；在外部接口方面， ＣＨ４５１可选择简洁的１线串行接口或高速４线串行接口，且内置上电复位，可提供高电平有效复位和低电平有效复位两种输出，同时内置看门狗电路Ｗａｔｃｈ－Ｄｏｇ。ＣＨ４５１提供有２８引脚的ＤＩＰ２８与ＳＯＰ２８封装以及ＤＩＰ２４Ｓ封装形式，２８脚与２４脚在功能上稍有差别-CH451 is an integrated LED display driver and the keyboard scan control and monitoring of the P-chip multifunction peripherals. RC oscillator circuit built-CH451, you can directly drive an 8-bit dynamic digital tube or 64-bit LED, with a BCD decoder or decoding function, data can be left, shifted to right, left circle, right circle, the number of independent scintillation and other control functions. CH451-level built-in high-current drive, current paragraph not less than 30mA, the word current is not less than 160mA, and a brightness control 16 in keyboard control, the device built-in 64-key keyboard controller can achieve 8 × 8 scan matrix keyboard and built-to-jitter circuit may interrupt the provision of key release and key features such as flag the external interface, CH451 choose simple or 1-wire serial interface high-speed 4-wire serial interface, and built on power-on reset can be reset to provide high effective and efficient reduction of two low-level output, built-in watchd Platform: |
Size: 2048 |
Author:秋落 |
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Description: 139个单片机源代码程序和仿真图（DSN），用proteus仿真，学习单片机绝佳的程序。例如：《lcd1602仿真实例》、2io5键盘模拟音量数码管显示、4线步进电机控制、8通道自动温度检测系统仿真（含原程序）、32X16LED汉字点阵显示屏(atmega16)、32x16汉字、DS18B20仿真实例、PWM电机正反转、PWM调温、SPI演示文件两个595对接、ULN2803、播放音乐、代码大全中文版[1]、单片机控制的电动自行车驱动系统、单片机实验29个、俄罗斯方块、刚做好的十个字的led屏模拟有程序、搞得一个温湿度传感器电路、混合电压系统设计、基于PROTEUS的推箱子游戏、流水灯-139 microcontroller source code program and simulation diagram (DSN), with proteus simulation, learning microcontroller excellent program. For example: "lcd1602 simulation of real-
Cases ", 2io5 keyboard analog volume digital tube display, 4 wire stepper motor control, 8-channel automatic temperature detection system simulation (including the original program),
32X16LED character dot-matrix display (atmega16), 32x16 characters, DS18B20 simulation example, PWM motor positive inversion, PWM thermostat, SPI presentation files
2 595 docking, ULN2803, music, code complete Chinese version [1], microcontroller-controlled electric bicycle drive system, single-chip experiment 29
Months, the Russian box, just do a good job in 10 words led screen simulation of process gets to a temperature and humidity sensor circuit, mixed-voltage system design, based on the
PROTEUS the Sokoban game, water lights ... ... Platform: |
Size: 21815296 |
Author:tong |
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Description: CH452 是数码管显示驱动和键盘扫描控制芯片。CH452内置时钟振荡电路，可以动态驱动8 位数
码管或者64 只LED，具有BCD 译码、闪烁、移位、段位寻址、光柱译码等功能；同时还可以进行64
键的键盘扫描；CH452 通过可以级联的4 线串行接口或者2 线串行接口与单片机等交换数据；并且可
以对单片机提供上电复位信号。-CH452 is a digital display and keyboard scan control chip driver. CH452 built-in clock oscillator circuit can dynamically drive 8 digits
Code control or 64 LED, with BCD coding, flashing, shift, Dan addressing light beam decoding functions the same time can be 64
Key of the keyboard scanning CH452 can cascade through the 4-wire serial interface or two wire serial interface to exchange data with the microcontroller and can be
To provide power to the microcontroller reset signal Platform: |
Size: 367616 |
Author:小老鼠 |
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Description: 本直流电机PWM调速器主控芯片采用AT89C51，显示部件采用LED数码管，人机交互接口采用独立式键盘，电机驱动电路采用L298。该直流电机PWM调速器能实现电机正转，反转，停止，并能实时显示转动的圈数。-The DC motor PWM speed controller master chip AT89C51, the use of LED digital tube display unit, interactive interface, the use of stand-alone keyboard, motor drive circuit L298. The DC motor PWM speed control device to achieve forward, reverse, stop, and can display real-time rotation turns. Platform: |
Size: 1024 |
Author:李梦龙 |
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Description: ZLG7289B 的主要特性
很宽的工作电压范围：＋2.7～6V；
直接驱动8 位共阴式数码管（1 英寸以下）或64 只独立的LED；
能够管理多达64 只按键，自动消除抖动；
段电流可达15mA 以上，字电流可达100mA；
利用功率电路可以方便地驱动1 英寸以上的大型数码管；
具有左移、右移、闪烁、消隐、段点亮等强大功能；
要显示的数据提供有两种不同的译码方式（也可以选择不译码）；
不接数码管而仅使用键盘管理功能时，工作电流可降至3mA；
与微控制器之间采用SPI 串行总线接口，操作方便，占用I/O 资源少；
工作温度范围：－40～＋85℃；
封装：SOP-28，DIP-28。-ZLG7289B is guangzhou ZhouLiGong SCM development Co., LTD. To design digital tube display drivers and keyboard scan
Management chip, can direct drive a total of eight Yin type digital tube (or 64 only independent LED), also can scan management as many as
Only 64 buttons. ZLG7289B interior contains show decoder, can be directly accept BCD or hexadecimal yards, and also to provide
There are two kinds of decoding way. In addition, but also has a variety of control instruction, such as vanishing, flashing, moves left, move to the right, period of addressing, etc.
ZLG7289B using SPI serial bus and micro controller interface, occupies only a few root I/O mouth line. Use of selected signals,
More pieces of ZLG7289B can also be connected together with and use, convenient to achieve more than eight display or more than 64 only buttons
Application.
ZLG7289B can be widely used in instrumentation, industrial controller, bar displays, the control panel, etc.
Platform: |
Size: 1414144 |
Author:周文杰 |
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Description: 单片机（Microcontrollers）是一种集成电路芯片，是采用超大规模集成电路技术把具有数据处理能力的中央处理器CPU、随机存储器RAM、只读存储器ROM、多种I/O口和中断系统、定时器/计数器等功能（可能还包括显示驱动电路、脉宽调制电路、模拟多路转换器、A/D转换器等电路）集成到一块硅片上构成的一个小而完善的微型计算机系统，在工业控制领域广泛应用。从上世纪80年代，由当时的4位、8位单片机，发展到现在的300M的高速单片机。(Keyboard display program writing
MCU (Microcontrollers) is an integrated circuit chip is the use of large scale integrated circuit technology to a data processing capability of CPU CPU, RAM ram, Rom ROM, a variety of I/O port and interrupt system, timer / counter function (may also include a display drive circuit, pulse width modulation circuitanalog multiplexer the A/D converter circuit) integrated into a small and complete micro computer system composed of a piece of silicon, widely used in the field of industrial control. From the 80s of last century, the 4 - bit and 8 - bit singlechip developed to the present high speed MCU of 300M.) Platform: |
Size: 78848 |
Author:叶青666 |
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Search - LED drive and keyboard control chip