cycloneII ep2c5 ep2c8

说明：  关于usb调试相关测试 代码，用于测试和适配等(usb coding for testing , verigy, for studing usb and fpga)

用于实现锁相光子计数技术的累加器，verilog语言(Accumulator achieve specific cases for accumulator lock detection of photon counting technique)

说明：  All AMBA bus protocols - AXI3, AXI4, AXI4-Lite, ACE, AHB

说明：  一维超混沌随机数的生成verilg，还有testbench仿真激励，modelsim的仿真工程。(The generation of one-dimensional hyperchaotic random number verilg, testbench simulation stimulation and Modelsim simulation engineering.)

汉明码转换，在FPGA上用verilog实现(hamming encoder, using FPGA)

FPGA控制RS232来实现串口通信，非常好的串口程序。(FPGA control RS232 serial communication to achieve very good serial procedures.)

说明：  是基于apb总线下的timer外设的rtl代码，主要包括apb_timer的master逻辑verilog，以及相应的开发文档，包括寄存器的描述，功能特性等。(RTL code is based on timer peripheral under APB bus, which mainly includes master logic Verilog of apb_timer and corresponding development documents, including the description of registers, functional characteristics and so on.)

verilog的入门级别的例子（转载）-Verilog entry-level examples (reproduced)

该程序用来实现电话计时以算取费用，比较简单(telephone cost metering verilog code)

This programa execute calc of CRC by use a table.