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从表面上看，保护模式和实模式并没有太大的区别，二者都使用了内存段、中断和设备驱动来处理硬件，但二者有很多不同之处。我们知道，在实模式中内存被划分成段，每个段的大小为64KB，而这样的段地址可以用16位来表示。内存段的处理是通过和段寄存器相关联的内部机制来处理的，这些段寄存器（CS、DS、 SS和ES）的内容形成了 ...

A system simulation environment in Matlab/Simulink of RFID is constructed in this paper. Special attention is emphasized on the analog/RF circuit.Negative effects are concerned in the system model,such as phase noise of the local oscillator,TX-RX coupling,reflection of the environment, AWGN noise,DC ...

C52单片机控制1602液晶显示程序，可在第一行显示字符"TX-1B MCU"，在第二行显示字符"WWW.TXMCU.COM"。

smsc911x 网卡驱动 This the users/programmers guide for the LAN911x Linux Driver The following sections can be found below * Revision History * Files * Features * Driver Parameters * Rx Performance Tuning * Tested Platforms * Rx Code Path * Tx Code Path * Platform Interface Descriptions ...

ocx 代码，C++编写`DEFLATE Compressed Data Format Specification available in ftp://ds.internic.net/rfc/rfc1951.txt

针对多DSP 共享总线的通用信号处理板卡, 介绍了基于PCI9054 和CPCI 总线的接口设计, 分析了通用WDM总线驱动程序的开发。采用Verilog HDL 用CPLD 设计控制时序实现了DSP 和 CPCI 总线桥接器PCI9054 之间的普通传输和高速DMA 传输。驱动程序采用DriverWorks 和Windows 驱动开发包DDK 进行开发, 具有很好的通用性和可移植性。 ...

基于OFDM的无线宽带系统仿真It contains mainly two parts, i.e. link-level simulator and system-level simulator. Link-level simulator focus on a single-cell single-user scenario, where signal is transmitted from tx, and estimated at rx. Comparing the difference in tx/rx signal, the error rate can be f ...

在c++builder环境下一个串口通信程序，包括界面的设计和串口通信函数的设计，实现了串口通信。在文件夹TX-RX中。

NRF905驱动代码 // The content of this struct is nRF905 s initialize data. // CH_NO=1 433MHZ Normal Opration,No Retrans RX,TX Address is 4 Bytes // RX TX Payload Width is 32 Bytes Disable Extern Clock Fosc=16MHZ // 8 Bits CRC And enable

Data_Structures_and_Algorithms - These notes accompany Data Structures and Algorithms II. The course, to a large extent, follows on from Data Structures and Algorithms I. However, while DS&A I focused on fundamental datastructures, DS&A II will focus on practical algorithms, applicable to a wide ran ...