变形V3.0

AD5754 驱动程序 ADI 官方驱动 收发函数都有(The AD5754 driver ADI official drive transceiver function is available)

说明：  使用DCDC电源驱动步进电机正转和反转，PWM波控制转速(DCDC power supply is used to drive forward and reverse rotation of stepping motor, and PWM wave is used to control speed)

说明：  提供一个基于瑞昱RTL8382L24口交换芯片的24口+2光口的千兆交换参考设计。包括基于Cadence平台设计的原理图、PCB和RTL8382L、RTL8281B的技术手册。(A Gigabit switching reference design based on 24 + 2 optical ports of Ruiyu RTL8382L24 switch chip is provided. Including the schematic design based on the Cardence platform, PCB and RTL8382L, RTL8281B technical manual.)

电荷泵的详细说明，帮助理解及计算电荷泵的电压翻转器(Detailed description of charge pump)

电路的连接图，程序都有注释，仿真平台protues，适合初学的人(The connection diagram of the circuit, the program has the annotation, the simulation platform Protues, suitable for the first student)

使用system verilog编写的一系列代码。包括二进制码与格雷码转换，优先编码器，38解码器，计数器等等(system verilog code with testbench.)

文件中包含stm32开发板所配套的开关使用说明的程序例程，重在讲解开关是如何被使用的，在kEIL5软件上怎么编写的。(The document contains the program routine of the switch instructions matched by STM32 development board, focusing on how the switch is used and how to write on kEIL5 software.)

EM78P451 SPI官方使用程序，内涵主机模式、从机模式已经.INC头文件。(EM78P451 SPI The official use program, the connotations of the host mode, the slave mode has.INC header file.)

说明：  Basic principle of LDPC code and FPGA implementation of LDPC code

DDR4原理图 PCB参考。 pdf版本原理图以及allegro PCB文件。(cadence ddr4 allegro pdf)