8085汇编实现计算器

实现数字变下频的matlab程序，CIC,HB,FIR滤波器代码都在其中(Realize digital variable frequency under matlab, CIC, HB, FIR filter code in it )

ARC firmware interface defines.

uart 发送模块接收模块及tb，其中可以选择不同波特率进行收发，代码带有详细注释。(UART sending module and receiving module)

课程设计要求设计并用FPGA实现一个数字频率计，具体设计要求如下： 测量频率范围： 10Hz～100KHz 精度： ΔF / F ≤ ±2 % 系统外部时钟： 1024Hz 测量波形： 方波 Vp-p ＝ 3～5 V 硬件设备：Altera Flex10K10 五位数码管 LED发光二极管 编程语言：Verilog HDL / VHDL-curriculum design and FPGA design to achieve a digital frequency meter, the specific design requirements are as follows : measurement frequency range : 10Hz to 100KHz precision : F/F 2% external clock system : 1024Hz Waveform Measurement : square Vp-p = 3 ~ 5 V hardware : Altera Flex10K10 five digital LED light emitting diode programming languages : Verilog HDL/VHDL

vhdl编写的FPGA与DSP接口程序，在FPGA内分配了两块双BUFFER与DSP进行通信(vhdl prepared FPGA and DSP interface program, the FPGA within the allocated 2 pairs of BUFFER to communicate with the DSP)

this a spartan 3E base project file. this is the project of game in which vga is interfaced to FPGA. this file is main file in which vga timing is maintained.-this is a spartan 3E base project file. this is the project of game in which vga is interfaced to FPGA. this file is main file in which vga timing is maintained.

CAN总线，I2C，USB等的FPGA实现源码(CAN bus, I2C, USB, etc. FPGA implementation source)

说明：  包含一个ALU，实现斐波那契数列的计算。1.接受两个6位二进制输入。2.通过手动输入的时钟驱动每个周期进行一次计算。3.结果输出到led灯（使用NEXYS4开发板）(Including an ALU to realize the calculation of Fibonacci sequence. 1. Accept two 6-bit binary inputs. 2. Each cycle is driven by a clock input manually. 3. Output to LED lamp (using NEXYS4 development board))

tle转换为六根数的c++源代码，英文原版代码，测试可用(tle converted to six the number of c++ source code, the English original code, test available)

用Verilog编写的基于FPGA的按键边缘检测技术，通过此模块可以很好的消除在按键过程中因抖动或误按造成的 麻烦，同时，在边缘检测技术中使用了约翰逊计数器的思想，是的代码简介，思路清晰。源码中含有大量的注释，有助于读者更好地了解编码思想。