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LPC1700以太网MIIM接口应用笔记

The LPC1700 Ethernet block contains a full featured 10 Mbps or 100 Mbps Ethernet MAC (Media Access Controller) designed to provide optimized performance through the use of DMA hardware acceleration. Features include a generous suite of control registers, half or full duplex operation, flow control, ...

/dl/30653.html

标签： 1700 MIIM LPC 以太网

上传时间： 2013-11-09

上传用户：geshaowei

Keil C51开发系统基本知识3

Keil C51开发系统基本知识3 1. 1. 专用寄存器include文件例如8031、8051均为REG51.h其中包括了所有8051的SFR及其位定义，一般系统都必须包括本文件。2. 2. 绝对地址include文件absacc.h该文件中实际只定义了几个宏，以确定各存储空间的绝对地址。3. 3. 动态内存分配函数，位于stdlib.h中 4. 4. 缓冲区处理函数位于“string. ...

/dl/30654.html

标签： Keil C51 开发系统基本知识

上传时间： 2013-11-06

上传用户：smallfish

AT89C2051驱动步进电机的电路和源码

AT89C2051驱动步进电机的电路和源码:AT89C2051驱动步进电机的电路和源码程序:stepper.c stepper.hex/* * STEPPER.C * sweeping stepper's rotor cw and cww 400 steps * Copyright (c) 1999 by W.Sirichote */＃i nclude c:\mc5151io.h /* include i/o header file */ ＃i nclude c:\mc5151reg.hregister unsigned char j, ...

/dl/30858.html

标签： C2051 2051 89C AT

上传时间： 2013-11-21

上传用户：boyaboy

PCA9534 8bit I2C bus and SMBus low power IO port with interru

The PCA9534 is a 16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvements include higher drive capability, 5 V I/O toleran ...

/dl/30982.html

标签： interru SMBus power 9534

上传时间： 2013-10-10

上传用户：inwins

PCA9535 PCA9535C 16bit I2C bus

The PCA9535 and PCA9535C are 24-pin CMOS devices that provide 16 bits of GeneralPurpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and wasdeveloped to enhance the NXP Semiconductors family of I2C-bus I/O expanders. Theimprovements include higher drive capability, 5 V I/O t ...

/dl/30985.html

标签： 9535 PCA 9535C I2C

上传时间： 2013-10-21

上传用户：爱死爱死

PCA9555 16bit I2C-bus and SMBu

The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallelInput/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed toenhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvementsinclude higher drive capability, 5 V I/O tolerance, lo ...

/dl/31013.html

标签： C-bus 9555 SMBu PCA

上传时间： 2013-11-13

上传用户：fredguo

可编程自动控制控制跑马灯

这一颗，我们学习如何让跑马灯自动按照我们预定的顺序进行。这种控制在工控场合经常用到。这个程序里，我们预先定义了一个变化的顺序speedcode，每跑一圈灯就根据预定设置的表格数据来决定下一圈的跑马速度。这样我们就实现了按照预定的顺序自动变化运行。请看代码：-----------------------------------#define uchar unsi ...

/dl/31244.html

标签： 可编程自动控制控制跑马灯

上传时间： 2013-11-20

上传用户：ming529

数字钟显示电路

SHUZIZHONG显示电路源程序如下： #include <reg51.h>#include <intrins.h> unsigned char data dis_digit; unsigned char code dis_code[]={ 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};unsigned char data dis_buf[16];unsigned char data dis_index;char hour,min,sec,wang,yea ...

/dl/31330.html

标签： 数字显示电路

上传时间： 2013-11-24

上传用户：fdmpy

MPC106 PCI Bridge/Memory Contr

In this document, the term Ô60xÕ is used to denote a 32-bit microprocessor from the PowerPC architecture family that conforms to the bus interface of the PowerPC 601ª, PowerPC 603ª, or PowerPC 604 microprocessors. Note that this does not include the PowerPC 602ª microproc ...

/dl/31368.html

标签： Bridge Memory Contr MPC

上传时间： 2013-10-08

上传用户：18711024007

DS1302+AT89S52+LED时钟程序(C语言源代码+

#include<reg51.h>/*************************ds1302与at89s52引脚连接********************/sbit T_RST=P3^5; sbit T_CLK=P3^6;                 sbit T_IO=P3^7;           &n ...

/dl/31446.html

标签： 1302 LED DS AT

上传时间： 2014-01-17

上传用户：sglccwk

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INCLUDE 624条

按分类查找:

LPC1700以太网MIIM接口应用笔记

Keil C51开发系统基本知识3

AT89C2051驱动步进电机的电路和源码

PCA9534 8bit I2C bus and SMBus low power IO port with interru

PCA9535 PCA9535C 16bit I2C bus

PCA9555 16bit I2C-bus and SMBu

可编程自动控制控制跑马灯

数字钟显示电路

MPC106 PCI Bridge/Memory Contr

DS1302+AT89S52+LED时钟程序(C语言源代码+

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