cmd_select.edf

本程序RS232通信的一个实验小程序,其中还有rs232和rs485的介绍!

          (instance (rename enable_pad_4_0 "enable_pad[4]") (viewRef PRIM (cellRef OPAD (libraryRef UNILIB)))          )
          (net (rename cmd_0 "cmd(0)") (joined
           (portRef PAD (instanceRef cmd_pad_0_0))
           (portRef (member cmd 7))
           (portRef I (instanceRef cmd_ibuf_0))
          ))
          (net (rename cmd_1 "cmd(1)") (joined
           (portRef PAD (instanceRef cmd_pad_1_0))
           (portRef (member cmd 6))
           (portRef I (instanceRef cmd_ibuf_1))
          ))
          (net (rename cmd_2 "cmd(2)") (joined
           (portRef PAD (instanceRef cmd_pad_2_0))
           (portRef (member cmd 5))
           (portRef I (instanceRef cmd_ibuf_2))
          ))
          (net (rename cmd_3 "cmd(3)") (joined
           (portRef PAD (instanceRef cmd_pad_3_0))
           (portRef (member cmd 4))
           (portRef I (instanceRef cmd_ibuf_3))
          ))
          (net (rename cmd_4 "cmd(4)") (joined
           (portRef PAD (instanceRef cmd_pad_4_0))
           (portRef (member cmd 3))
           (portRef I (instanceRef cmd_ibuf_4))
          ))
          (net (rename cmd_5 "cmd(5)") (joined
           (portRef PAD (instanceRef cmd_pad_5_0))
           (portRef (member cmd 2))
          ))
          (net (rename cmd_6 "cmd(6)") (joined
           (portRef PAD (instanceRef cmd_pad_6_0))
           (portRef (member cmd 1))
          ))
          (net (rename cmd_7 "cmd(7)") (joined
           (portRef PAD (instanceRef cmd_pad_7_0))
           (portRef (member cmd 0))
          ))
          (net nwrite (joined
           (portRef PAD (instanceRef nwrite_pad_0))
           (portRef nwrite)
           (portRef I (instanceRef nwrite_ibuf))
          ))
          (net (rename enable_0 "enable(0)") (joined
           (portRef O (instanceRef enable_obuf_0))
           (portRef PAD (instanceRef enable_pad_0_0))
           (portRef (member enable 4))
          ))
          (net (rename enable_1 "enable(1)") (joined
           (portRef O (instanceRef enable_obuf_1))
           (portRef PAD (instanceRef enable_pad_1_0))
           (portRef (member enable 3))
          ))
          (net (rename enable_2 "enable(2)") (joined
           (portRef O (instanceRef enable_obuf_2))
           (portRef PAD (instanceRef enable_pad_2_0))
           (portRef (member enable 2))
          ))
          (net (rename enable_3 "enable(3)") (joined
           (portRef O (instanceRef enable_obuf_3))
           (portRef PAD (instanceRef enable_pad_3_0))
           (portRef (member enable 1))
          ))
          (net (rename enable_4 "enable(4)") (joined
           (portRef O (instanceRef enable_obuf_4))
           (portRef PAD (instanceRef enable_pad_4_0))
           (portRef (member enable 0))
          ))
          (net (rename VCCZ0 "VCC") (joined
           (portRef P (instanceRef VCC))
           (portRef I1 (instanceRef enable_1_2__un7_Q_0))
           (portRef I0 (instanceRef enable_1_2__un4_Q_0))
           (portRef I0 (instanceRef enable_1_4__un4_Q_0))
           (portRef I1 (instanceRef enable_1_0__un7_Q_0))
           (portRef I0 (instanceRef enable_1_0__un4_Q_0))
           (portRef I1 (instanceRef enable_1_1__un7_Q_0))
           (portRef I0 (instanceRef enable_1_1__un4_Q_0))
           (portRef I1 (instanceRef enable_1_3__un7_Q_0))
           (portRef I0 (instanceRef enable_1_3__un4_Q_0))
           (portRef I1 (instanceRef enable_1_4__un7_Q_0))
          ))
          (net (rename GNDZ0 "GND") (joined
           (portRef G (instanceRef GND))
           (portRef I (instanceRef enable_1_3__un1_G))
           (portRef I (instanceRef enable_1_4__un1_G))
           (portRef I (instanceRef enable_1_0__un1_G))
           (portRef I (instanceRef enable_1_1__un1_G))
           (portRef I (instanceRef enable_1_2__un1_G))
           (portRef I1 (instanceRef enable_1_2__un4_Q_0))
           (portRef I1 (instanceRef enable_1_4__un4_Q_0))
           (portRef I1 (instanceRef enable_1_0__un4_Q_0))
           (portRef I1 (instanceRef enable_1_1__un4_Q_0))
           (portRef I1 (instanceRef enable_1_3__un4_Q_0))
          ))
          (net (rename cmd_c_iZ0Z_0 "cmd_c_i(0)") (joined
           (portRef O (instanceRef cmd_c_i_0))
           (portRef I1 (instanceRef un1_nwrite_2_0_and3_22))
           (portRef I0 (instanceRef un1_un15_nwrite_0_and3))
          ))
          (net N_20_1 (joined
           (portRef O (instanceRef un1_un20_nwrite_0_and3_1))
           (portRef I1 (instanceRef un1_un20_nwrite_0_and3))
           (portRef I1 (instanceRef un1_un15_nwrite_0_and3))
          ))
          (net un1_un15_nwrite_0_and3_n (joined
           (portRef O (instanceRef un1_un15_nwrite_0_and3))
           (portRef I (instanceRef enable_1_1__un1_CLR))
          ))
          (net N_26 (joined
           (portRef O (instanceRef G_12))
           (portRef I0 (instanceRef un1_un20_nwrite_0_and3_1))
           (portRef I0 (instanceRef un1_nwrite_2_0_and3))
           (portRef I0 (instanceRef un1_un10_nwrite_0_and3_1))
          ))
          (net N_29 (joined
           (portRef O (instanceRef G_15))
           (portRef I1 (instanceRef G_13))
           (portRef I1 (instanceRef un1_un10_nwrite_0_and3_1))
          ))
          (net N_18_1 (joined
           (portRef O (instanceRef un1_un10_nwrite_0_and3_1))
           (portRef I1 (instanceRef un1_nwrite_1_0_and3))
           (portRef I1 (instanceRef un1_un10_nwrite_0_and3))
          ))
          (net (rename cmd_c_1 "cmd_c(1)") (joined
           (portRef O (instanceRef cmd_ibuf_1))
           (portRef I (instanceRef cmd_c_i_1))
           (portRef I1 (instanceRef un1_nwrite_2_0_and3_23))
           (portRef I0 (instanceRef un1_un10_nwrite_0_and3))
          ))
          (net un1_un10_nwrite_0_and3_n (joined
           (portRef O (instanceRef un1_un10_nwrite_0_and3))
           (portRef I (instanceRef enable_1_2__un1_CLR))
          ))
          (net (rename cmd_c_iZ0Z_1 "cmd_c_i(1)") (joined
           (portRef O (instanceRef cmd_c_i_1))
           (portRef I1 (instanceRef G_16))
           (portRef I0 (instanceRef G_14))
           (portRef I0 (instanceRef un1_nwrite_1_0_and3))
          ))
          (net un1_nwrite_1_0_and3_n (joined
           (portRef O (instanceRef un1_nwrite_1_0_and3))
           (portRef I (instanceRef enable_1_4__un1_CLR))
          ))
          (net un1_nwrite_2_0_and3_23_n (joined
           (portRef O (instanceRef un1_nwrite_2_0_and3_23))
           (portRef I1 (instanceRef un1_nwrite_2_0_and3))
          ))
          (net un1_nwrite_2_0_and3_n (joined
           (portRef O (instanceRef un1_nwrite_2_0_and3))
           (portRef I (instanceRef enable_1_3__un1_CLR))
          ))
          (net N_25 (joined
           (portRef O (instanceRef G_11))
           (portRef I0 (instanceRef G_13))
           (portRef I0 (instanceRef G_12))
           (portRef I0 (instanceRef un1_nwrite_4_0_and3))
           (portRef I0 (instanceRef un1_nwrite_3_0_and3))
          ))
          (net N_28 (joined
           (portRef O (instanceRef G_14))
           (portRef I1 (instanceRef un1_un20_nwrite_0_and3_1))
           (portRef I1 (instanceRef un1_nwrite_3_0_and3))
          ))
          (net N_21 (joined
           (portRef O (instanceRef un1_nwrite_3_0_and3))
           (portRef I1 (instanceRef un1_nwrite_3_0))
          ))
          (net (rename N_10_iZ0 "N_10_i") (joined
           (portRef O (instanceRef N_10_i))
           (portRef I1 (instanceRef un1_nwrite_4_0_and3))
          ))
          (net N_22 (joined
           (portRef O (instanceRef un1_nwrite_4_0_and3))
           (portRef I1 (instanceRef un1_un21_nwrite_1_i_0))
           (portRef I1 (instanceRef un1_nwrite_4_0))
          ))
          (net (rename cmd_c_4 "cmd_c(4)") (joined
           (portRef O (instanceRef cmd_ibuf_4))
           (portRef I0 (instanceRef G_11))
          ))
          (net (rename cmd_c_iZ0Z_3 "cmd_c_i(3)") (joined
           (portRef O (instanceRef cmd_c_i_3))
           (portRef I1 (instanceRef G_11))
          ))
          (net (rename nwrite_c_iZ0 "nwrite_c_i") (joined
           (portRef O (instanceRef nwrite_c_i))
           (portRef I1 (instanceRef G_12))
          ))
          (net N_27 (joined
           (portRef O (instanceRef G_13))
           (portRef I1 (instanceRef un1_nwrite_3_0_or3))
          ))
          (net (rename cmd_c_2 "cmd_c(2)") (joined
           (portRef O (instanceRef cmd_ibuf_2))
           (portRef I (instanceRef cmd_c_i_2))
           (portRef I0 (instanceRef G_16))
           (portRef I1 (instanceRef G_14))
          ))
          (net (rename cmd_c_0 "cmd_c(0)") (joined
           (portRef O (instanceRef cmd_ibuf_0))
           (portRef I (instanceRef cmd_c_i_0))
           (portRef I0 (instanceRef un1_un20_nwrite_0_and3))
           (portRef I0 (instanceRef G_15))
          ))
          (net (rename cmd_c_iZ0Z_2 "cmd_c_i(2)") (joined
           (portRef O (instanceRef cmd_c_i_2))
           (portRef I0 (instanceRef un1_nwrite_2_0_and3_22))
           (portRef I1 (instanceRef G_15))
          ))
          (net N_13 (joined
           (portRef O (instanceRef un1_nwrite_3_0_or3))
           (portRef I0 (instanceRef un1_un21_nwrite_1_i_0))
           (portRef I0 (instanceRef un1_nwrite_3_0))
          ))
          (net un1_nwrite_3_0_n (joined
           (portRef O (instanceRef un1_nwrite_3_0))
           (portRef I1 (instanceRef enable_1_3__un2_Q2_0))
          ))
          (net nwrite_c (joined
           (portRef O (instanceRef nwrite_ibuf))
           (portRef I (instanceRef nwrite_c_i))
           (portRef I0 (instanceRef un1_nwrite_3_0_or3))
           (portRef I0 (instanceRef un1_nwrite_4_0))
          ))
          (net un1_nwrite_4_0_n (joined
           (portRef O (instanceRef un1_nwrite_4_0))
           (portRef I1 (instanceRef enable_1_4__un2_Q2_0))
          ))
          (net un1_un21_nwrite_1_i (joined
           (portRef O (instanceRef un1_un21_nwrite_1_i_0))
           (portRef I1 (instanceRef enable_1_2__un2_Q2_0))
           (portRef I1 (instanceRef enable_1_0__un2_Q2_0))
           (portRef I1 (instanceRef enable_1_1__un2_Q2_0))
          ))