Проектирование микропроцессорной системы контроля и управления объектом. Общие принципы проектирования микропроцессорных систем, страница 18

                                     ШД  DD1 КР1533ИР33       DD2 К155ЛН3                                    +5В               Индикация

                                                  DI    RG  DO                                             VD1      R1

                                                   0                0                       1                                                                “X1”

                                                   1                1

                                                                                                                       VD7      R7

                                                   7                                          1                                                                “Y3”

                                      “1”        C                                                               

 IOW                    1                                      6                                              VD8      R8                         “Останов”

                                                  OE              7                       1                                                               

 

SELOPORT1

Рис. 3.14. Схема подключения светодиодов индикации

                                     ШД               DD1                    

                                                  DI    RG  DO                                            

                                                   0                0                       1                                   a                       HG1          

                                                   1                1

                                                                                                                       

                                                   7                                                                                                            

                                      “1”        C                                                               

 IOW                    1                                      6                       1                                  g            

                                                  OE              7                                                            h                          

                                                                                                               +5B              O

SELOPORT2

                                     ШД               DD4                    

                                                  DI    RG  DO                                                          

                                                   0                0                       1                                   a                        HG4         

                                                   1                1

                                                                                                                                    

                                                   7                                                                                                            

                                      “1”        C                                                               

 IOW                    1                                      6                       1                                  g                           

                                                  OE              7                                                            h                          

                                                                                                               +5B              O

SELOPORT5

Рис 3.15. Схема подключения семисегментных индикаторов