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 performan...
The LPC1700 Ethernet block contains a full featured 10 Mbps or 100 Mbps Ethernet MAC (Media Access Controller) designed to provide optimized performan...
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. ...
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) 199...
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 an...
The PCA9535 and PCA9535C are 24-pin CMOS devices that provide 16 bits of GeneralPurpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus appli...