多摩川17bit绝对值编码器的NRG协议文档，配合上传的解码源程序，采用半双工的通信模式。,Tamagawa 17bit absolute encoder NRG agreement documents, with the upload source decoder, using half-duplex communication mode.

基于FPGA的PCM编码器与解码器的设计-about fpga and pcm

library ieee use ieee.std_logic_1164.all entity decoder is port (clk:in std_logic clr:in std_logic data_in:in std_logic --待解码信元输入端； data_out:out std_logic) --解码信元输出端； end decoder architecture behave of decoder is component dff2