用于测试ACEX1k30的流水灯程序，晶振频率为20mhz。运行环境Maxplus2...

VHDL code comparator

低电源电压范围为1.8 V至3.6 V 超低功耗： - 主动模式：280μA，在1 MHz，2.2伏 - 待机模式：1.1μA - 关闭模式（RAM保持）：0.1μA 五省电模式 欠待机模式唤醒 超过6微秒 16位RISC架构， 125 ns指令周期时间 12位A/ D转换器具有内部 参考，采样和保持，并 AutoScan功能 16位Timer_B随着三† 或七‡ 捕捉/比较随着阴影寄存器 具有三个16位定时器A 捕捉/比较寄存器 片上比较器 串行通信接口（USART）， 选择异步UART或 同步SPI软件： - 两个USART（USART0 USART1）的† - 一个USART（USART0）‡ 掉电检测 电源电压监控器/监视器 可编程电平检测 串行板载编程， 无需外部编程电压 安全可编程代码保护 融合(Low Supply-Voltage Range, 1.8 V to 3.6 V Ultralow-Power Consumption: − Active Mode: 280 µ A at 1 MHz, 2.2 V − Standby Mode: 1.1 µ A − Off Mode (RAM Retention): 0.1 µ A Five Power Saving Modes Wake-Up From Standby Mode in Less Than 6 µ s 16-Bit RISC Architecture, 125-ns Instruction Cycle Time 12-Bit A/D Converter With Internal Reference, Sample-and-Hold and Autoscan Feature 16-Bit Timer_B With Three† or Seven‡ Capture/Compare-With-Shadow Registers 16-Bit Timer_A With Three Capture/Compare Registers On-Chip Comparator Serial Communication Interface (USART), Select Asynchronous UART or Synchronous SPI by Software: − Two USARTs (USART0, USART1)† − One USART (USART0)‡ Brownout Detector Supply Voltage Supervisor/Monitor With Programmable Level Detection Serial Onboard Programming, No External Programming Voltage Needed Programmable Code Protection by Security Fuse)

pid算法控制电机运动，实现fpga与dsp的双口RAM通信(PID algorithm to control motor movement, the realization of FPGA and DSP dual port RAM communication)

DAC0832的Verilog代码，适用于与ADC0809同时学习，效果明显！(DAC0832 Verilog code, applicable at the same time with ADC0809 learning, the effect is obvious!)

说明：  先用Matlab理论仿真，再用Verilog语言在ISE环境下编写程序，可通过手机发送指令来控制上下变频器的参数。(Firstly, we use the theory of MATLAB to simulate, and then use Verilog language to write programs in ISE environment. The parameters of up-down converter can be controlled by sending instructions from mobile phone.)

verilog vga 图像处理(verilog vga)

说明：  this files describes how to build i2c block modules in verilog hdl and programming them on an fpga device

Xilinx,Altera,ARM,AVR,S52,Lattice等系列FPGA的下载线电路图和PCB(Xilinx, Altera, ARM, AVR, S52, Lattice series FPGA download cable circuit diagram and PCB)

在MAXPLUSII下实现BOOTH算法，可以进行任意位K×K的乘法-BOOTH algorthim implemented in the MAXPLUSII environment, which can carry out arbitrary bits multiplication.

VHDL实现简单的8位CPU doc文件上有源代码-VHDL simple eight CPU doc documents Active code