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 |
Hits:
Description: /*****************************************************
16*128 LED点阵屏 C 程序
******************************************************
声明：
本程序供大家学习之用，用勿用于商业用途。尊重版权。
编写：邓椿薪
时间：2006年1月20日 晚
邮箱：love2151@xinhuanet.com
*******************************************************
//595连级输出数据，138行驱动。P0_1为移动速度高速/*点阵显示汉字程串口输出字符数据，
//P2口输出行扫描信号,P2_7输出595锁存信号。*/-/***************************************************** 16* 128 LED dot matrix screen C procedures****************************************************** Disclaimer: This procedure for everyone learning with not for commercial purposes. Respect for copyright. Preparation:邓椿pay time: in January 2006 the evening of 20 E-mail: love2151@xinhuanet.com*******************************************************// 595 Link-level output data, 138 line driver. High speed for mobile P0_1/* dot-matrix display Chinese characters-way serial output character data,// P2 port output line scanning signal, P2_7 latch 595 output signal.* / Platform: |
Size: 2048 |
Author:kd911 |
Hits:
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 |
Hits:
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 |
Hits:
Description: lcd显示 跑马灯显示 七段数码管计时 12232F是一种内置8192个16*16点汉字库和128个16*8点ASCII字符集图形点阵液晶显示器,它主要由行驱动器/ 列驱动器及128×32全点阵液晶显示器组成。可完成图形显示,也可以显示7.5×2个(16×16点阵)汉字.与外部CPU接口采用并行或串行方式控制。-lcd display Seven-Segment LED Display Marquee is a built-in timing 12232F 8192 16* 16 points and 128 Chinese character library 16* 8 ASCII character set dot matrix liquid crystal display, which is mainly from the line driver/line driver and 128 × 32 full dot matrix liquid crystal display components. Complete graphical display can also show 7.5 × 2 个 (16 × 16 dot) character. And the external CPU interface with parallel or serial control. Platform: |
Size: 1107968 |
Author:wws |
Hits:
Description: TM1652 是一款LED（发光二极管、数码管、点阵屏）驱动控制专用芯片，内部集成了数字通讯电路、
解码电路、数据锁存器、震荡器、LED驱动电路。通讯方式采用异步串口通信（UART）协议，因芯片只
接收单片机发来的数据，仅需要单片机的一个TX端口发送数据给芯片即可，实现单线通讯；在显示驱动
方面，芯片采用动态扫描方式，两种显示模式可选，8级段驱动电流可调，16级位占空比可调；TM1652
内置消隐处理优化电路。-TM1652 is an LED (light-emitting diode, LED, dot-matrix screen) driver control ASIC, integrated digital communications circuits,
Decoding circuit, data latch, oscillator, LED driver circuit. Communication using asynchronous serial communication (UART) protocol, because the chip only
MCU receives data sent only need a microcontroller TX port to send data to the chip can achieve single-wire communication the display driver
Aspects, chip dynamic scan mode, two display modes, 8 segment drive current is adjustable, 16-bit adjustable duty cycle TM1652
Built-in blanking processing optimization circuit. Platform: |
Size: 171008 |
Author:sun |
Hits:
Description: 这是一款16x16LED点阵显示屏驱动程序，使用AT89C51单片机，16*16点阵屏驱动使用了两片74HC154集成电路，整个电路非常简洁，使用的元件比较少，方便布线。(This is a 16x16LED dot matrix display driver program, using AT89C51 microcontroller, 16*16 dot matrix screen derived by two 74HC154 integrated circuits. the whole circuit is very concise, the use of less components, convenient wiring.) Platform: |
Size: 29696 |
Author:wwtor |
Hits:
Search - 16 16 MATRIX LED display driver