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pljfpja
- 频率计的fpja部分程序，，，用高精度测频法实现。。。能测1、、1M-frequency of fpja some of the procedures, and using high precision frequency measurement method to achieve. . . Can be measured one, and 1M
SDRAM_HY57V6416ET
- 现代的4bank*1M*16bit的SDRAM（HY57V6416ET）的VHDL行为仿真程序-modern 4bank 1M * * 16bit of SDRAM (HY57V6416ET) VHDL simulation program acts
zz.rar
- 键控加/减计数器,将20MHz系统时钟经分频器后可得到5M、1M、100K、10K、5K、1K、10Hz、1Hz ,Keying increase/decrease counter to 20MHz system clock by the divider available after 5M, 1M, 100K, 10K, 5K, 1K, 10Hz, 1Hz
FPGA
- 波形发生器FPGA程序，很好用的，发生器0~1M波形特别好，最低能达到0.02Hz的变化-Waveform Generator FPGA program, the good, the waveform generator 0 ~ 1M particularly good, the minimum changes to achieve 0.02Hz
dac0832
- 波形发生器FPGA程序，很好用的，发生器0~1M波形特别好，最低能达到0.02Hz的变化-Waveform Generator FPGA program, the good, the waveform generator 0 ~ 1M particularly good, the minimum changes to achieve 0.02Hz
velocity_Verilog
- 速度表（velocity）要求：1．显示汽车Km/h数；2．车轮每转一圈，有一传感脉冲；每个脉冲代表1m的距离；3．采样周期设为10s； 4．要求显示到小数点后边两位；5．用数码管显示；6. 最高时速小于300Km/h。（约为83.3m/s） -use verilog to realize velocity
f_measure_3
- 示波器源程序，由quartus9.1编写，verilog语言支持。采样频率为1M等效采样速率可以到200M-Oscilloscope source code, written by the quartus9.1, verilog language support. Sampling frequency of 1M to 200M equivalent sampling rate can
1M
- 一分频的VHDL程序，内容介绍非常详细，希望能给大家带来方便，很实用的-Divide the VHDL program, introduced in great detail, and the hope that they can bring convenience to very practical
RTL
- 频率检测模块，停止检测可设10K~100K，低频检测1M，高频检测5M。用于7816通讯模块-Frequency detection module, the stop detection can be set to 10K to 100K, low-frequency detection 1M, high-frequency detection 5M. For 7816 communication module
The-clock-points-frequency-module
- 对外部晶振50M进行分频，分出1M、1k和1的频率-External crystal oscillator fifty m for crossover, ceding 1 m, 1 k and 1 frequency
delay
- VHDL代码，源用与两路DDS之间的相位差，现可用于产生相位差可编程的1m时钟，精度可精确到0.01分。输出两路时钟，带起始控制位-VHDL code, source with the phase difference between the two DDS, can now be used to produce 1m phase programmable clock accuracy can be accurate to 0.01 points. Output two clocks with
Frequce
- 能测量频率，并且能测占空比10 90 ，还能产生1M 占空比10 的脉冲波- 能测量频率，并且能测占空比10 90 ，还能产生1M 占空比10 的脉冲波 Can measure the frequency, and can measure the duty cycle 10 90 , but also can produce the 1M duty cycle 10 of the pulse wave
CIC_filter
- 抽取:(接收端) 中频信号IF 20M(采样率是50M) 下变频信号 MIX_O 1M(50M) 采用CIC滤波器进行降采样率。 插值:(发送端) 基带信号上变频到1M，采样率是2.5M，采用CIC滤波器进行升采样率处理。 注释：升采样率或者降采样率不会改变原始信号的中心频率，但是频谱分布会发生改变。-Extraction: (receiver) IF signal 20M (sampling rate is 50M) down-conversion signal M
uart_test
- 收发端都采用2M波特率发送串口数据，通过PIN口直接输入输出串口数据，目的是为了跟外围高速器件完成高速的串口数据的收发，普通USB转串口的都只能支持不到1M的波特率，内部采用乒乓FIFO进行时钟域切换以及缓存(The transmitter and receiver are used 2M baud rate serial data transmission, directly through the PIN port serial input and output data, the purp