Проектирование микропроцессорной системы контроля и управления объектом. Общие принципы проектирования микропроцессорных систем, страница 9

                                                                                                                                                                                    8                       8

                                                                                                                                                    DO – D7                                     SC           DO-D7       ШД

                                                                                                                                                                       INTA

                                          RESET                                                                      HOLD                 DBIN                                DBIN                    MEMR

                                                                                                                                                                                                                                                                    MEMW ШУ

                              ШУ     F2_ТТЛ                                                                                                       WR                                                WR    IOR

                                                                                                                                                                                  IOW

                                               INT                                                                       INT                                                                                                                                                BUSEN

 

Рис 3.1. Функциональная схема модуля процессора с МП КР580ВМ80А

DD1

CPU

ZQ1                           

 

                                          +5В                                     X1                            CLK                                  CLK

                        ШУ

                                                                                       X2                    RESOUT                                                                       RESET

              DD2,DD3

                                                  R1                                                                                           8                      RG                                                                                                                                            8

                                                                 “1”                READY              A8-A15                                    DI                                                             A8-A15

                        ША

                                                                                       RESIN           AD0-AD7                                                  DO                                                                           A0-A7

SB1

                                                       C1                                                             ALE                                      C

                                              OE

 

                       DD4

BF

8

                                                                                       TRAP                                                                    A              B            D0-D7   ШД

                                                                                       RST7.5

                                          ШУ                                      RST6.5                      RD                                     E_AB

                                                                                       RST5.5