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Ðåôåðàò: Ïðîöåññîð. Áëîê öåëî÷èñëåííîé àðèôìåòèêè.


                                  1                                                                                               8

                     0                                                                                                              1

                           P15                                                                    ÌÊ(1,2),2              1   ÌÊ(0),2   

                               1                                                                              

                    ÌÊ(1,2), ó2                                                                               12

                                                                                                                       5,2

                                                                                                                8    1          13

                          y12                                                                                                     1             

                                                                                                           0   1                                                                                                                      

                                                                                                                       ÌÊ(3),2

                         ó2,  ó5

                                                                                                          0     8

                                                                                                                  1   

                                                                                                          0    1

                                                                                                                  1     

                                                                                                          0    3 

                                                                                                                  1     

                          ó12                                                                                       10


                                                                    êîíåö

                                                    Ðèñ. 6.

â ñëåäóþùèõ 4-õ ðàçðÿäàõ ( Q1, Q2, Q3, Q4) êîäèðóþòñÿ âåðòèêàëüíûì ñïîñîáîì ÌÎ.  íèõ ôèêñèðóåòñÿ íîìåð ñîâîêóïíîñòè èìïóëüñíûõ óïðàâëÿþùèõ ñèãíàëîâ ÌÎ, âõîäÿùèõ â äàííóþ ÌÊ.  ÌÏ íà Ðèñ. 6 âõîäÿò  12 òàêèõ ñîâîêóïíîñòåé ñèãíàëîâ. Îáîçíà÷èì èõ êàê: Y1=y2 , Y2=y6 , Y3=y1 , ­Y4=y7 , Y5=y8 , Y6=y9 , Y7={y5 , y2} , Y8=y10 , Y9=y12 , Y10=y4 , Y11=y11 , Y12={y3 , y9}.

   Àäðåñíîå ïîëå ÌÊ âêëþ÷àåò 4-õ ðàçðÿäíîå ïîëå Õ, â êîòîðîì ôèêñèðóåòñÿ íîìåð ëîãè÷åñêîãî óñëîâèÿ Ði (i=1-15), è 4-õ çíà÷íîå ïîëå àäðåñà ÌÊ À=À` ãäå  - ìëàäøèé ðàçðÿä àäðåñà.

   Ïðè ôîðìèðîâàíèè àäðåñà ñëåäóþùåé ÌÊ çíà÷åíèå ïðîâåðÿåìîãî óñëîâèÿ Ði ïîäñòàâëÿåòñÿ â ìëàäøèé ðàçðÿä àäðåñà À.

  Òàêæå åñòü ðàçðÿä W ïî êîòîðîìó ïðîèçâîäèòñÿ îñòàíîâ ÌÏ, è ðàçðÿä ìåæñåãìåíòíîãî ïåðåõîäà Ð, ïðè åäèíè÷íîì çíà÷åíèè êîòîðîãî ïðîèçâîäèòñÿ ìåæñåãìåíòíûé ïåðåõîä, àäðåñ íîâîãî ñåãìåíòà áåðåòñÿ â ïîëå Õ.

   Ïîñëåäíèé ðàçðÿä â ÌÊ ÿâëÿåòñÿ êîíòðîëüíûì ðàçðÿäîì ïðîâåðêè íà ÷åòíîñòü.

    öåëîì ñõåìà íà Ðèñ. 8 ðàáîòàåò ñëåäóþùèì îáðàçîì. Ïî ñèãíàëó “Çàïóñê” â RGAMK ôèêñèðóåòñÿ íà÷àëüíûé àäðåñ = 0. Ïðè ýòîì íà âûõîäàõ ÓÏ ñ çàäåðæêîé, ðàâíîé âðåìåíè ÷òåíèÿ èíôîðìàöèè èç ÓÏ, ôîðìèðóþòñÿ ðàçðÿäû ÌÊ, çàïèñàííîé ïî äàííîìó àäðåñó.

   Îäíîâðåìåííî ïî ñèãíàëó “Çàïóñê” Òçàï óñòàíàâëèâàåòñÿ â 1, è â ñõåìó Ó× íà÷èíàþò öèêëè÷åñêè ïîñòóïàòü ñèãíàëû z1 , z2. Ïî ñèãíàëó z1 â Î×  ïîñòóïàþò èìïóëüñíûå óïðàâëÿþùèå ñèãíàëû , ïî z2 â ðåãèñòð RGAMK çàïèñûâàåòñÿ àäðåñ ñëåäóþùåé ÿ÷åéêè ïàìÿòè.

        6. Ïðèíöèïèàëüíàÿ ñõåìà óïðàâëÿþùåé ÷àñòè

   Ïðèíöèïèàëüíàÿ ñõåìà ïîñòðîåíà íà îñíîâå îáùåé øèíû â êîòîðóþ ââîäÿòñÿ âñå âõîäíûå è âûõîäíûå ñèãíàëû.

   Òðèããåðû Òçàï , Òîø è Ò ðåàëèçîâàíû íà ìèêðîñõåìå ÒÂ9, RGAMK è GRSEG íà ìèêðîñõåìàõ ÒÌ8, MS - íà ÊÏ1, ñõåìà Ì2 íà 2-õ ýëåìåíòàõ ÈÏ5 è ìèêðîñõåìå ËÏ5, ñõåìà ôîðìèðîâàíèÿ èìïóëüñíûõ ñèãíàëîâ íà äåøèôðàòîðå ÈÄ3, ÓÏ - íà ïÿòè ýëåìåíòàõ ÏÇÓ ÐÒ4.  


     îø                                                 îøèáêà                             0     RG

       Ñ        &                      S    Òîø                                            1    SEG    0                                        ê.ð.                   ___

                                                                             Р                                   1                                                       Ì2     ÎØ

                                          R                                          &          C

                                                                                                  

                                                                                                  R                                                                                  ÎØ

                                                                                                                               A           ÓÏ           ...

çàïóñê                                                                                         0    RG     0

                  1                      J     Tçàï                                            1   AMK  1

                               Ñ        C                                            À``      2               2

                           îñòàí      K                                                       3              3

ñáðîñ                                                                                          C

                                          R                                                     

                                                                                                   R  


                                                                                                                              

                                                                                                                              0      MS                    &   1

                                                                                                                     Ð1     1

                     R                                          Z2                                A``         ...    

                             T                          &                                                      Ð15      15                             &  

                     D     

                                                                                                                              A 

        &          C                                  &    

C                                                               Z1                               Ð

                                                                                                     îñòàí

                                                                                                                              0                0                                        ó1 

                        ___                                                                                                2      DC    1                ñõåìà               ó2

                        ÎØ                                                                                               4      MK           ...       ôîðìèð.     ...

                                                                                                                              8                                 ó1 - ó12

                                                                                                      MK(4)                               15                                    ó12 

                                                                                                      MK(3)

                                                                                                      MK(2)              C

                                                                                                      MK(1)

                                                                                                      MK(0)   

                                                                                         

                                               Ðèñ. 8.

                   7. Òàáëèöà ìèêðîêîìàíä

àäðåñ

ÿ÷åéêè

ÌÊ

 

    Q

WP XvS A` B

Ïðèìå÷

    ÌÊ

ËÓ
00 0000 00000 1010 00 0010 0010 ó4 Ð2
0001 00000 0000 00 1111 1100 Ð15
0010 00000 0010 00 0000 0100 ó6
0011 00000 0001 00 0000 1111 ó2
0100 00000 1010 00 0101 0110 ó11 Ð5
0101 00000 0111 00 0000 1110 ó2, ó5
0110 00000 0000 00 0011 1000 Ð3
0111 10000 0001 00 0011 1000 ÌÊ(0), ó2 Ð3
1000 00000 0000 00 1110 1010 Ð14
1001 00000 0000 00 0001 1010 Ð1
1010 00000 1100 00 0100 0000 ó3, ó9 Ð4
1011 00001 1100 00 0100 0000 ÌÊ(4),ó3,ó9 Ð4
1100 00000 1001 00 0000 0101 ó12
1101 01100 0001 00 0000 1100 ÌÊ(1,2), ó2
1110 00000 1001 10 0000 0000 ó12 îñòàíîâ
1111 00000 0010 01 0001 0000 ó6 ìåæñ.ÁÏ
01 0000 00000 0000 00 1001 0010 Ð9
0001
0010 00000 0011 00 1011 0100 ó1 Ð11
0011 00000 1000 10 0000 0000 ó10 îñòàíîâ
0100 01100 0001 00 1010 0110 ÌÊ(1,2), ó2 Ð10
0101 10000 0001 00 1010 0110 ÌÊ(0), ó2 Ð10
0110 00000 0100 00 0111 1000 ó7 Ð15
0111 00000 0000 00 0111 1000 Ð15
1000 00000 0110 00 0100 1010 ó9 Ð4
1001 00000 0000 00 1100 1100 Ð12
1010 00000 0000 00 0000 0010 ÁÏ
1011 00000 0000 00 0011 1100 P3
1100 00000 1001 01 0010 0001 y12 ìåæñ.ÁÏ
1101 00000 0000 00 0001 1110 P1
1110 10000 0001 01 0010 0000 ÌÊ(0),ó2 ìåæñ.ÁÏ
1111 01100 0001 01 0010 0000 ÌÊ(1,2),ó2 ìåæñ.ÁÏ
10 0000 00000 0000 00 0111 0010 Ð7
0001 00000 0111 00 1000 1000 ó5, ó2 Ð8
0010 00000 0000 00 1000 0100 Ð8
0011 00000 01 0001 1100 ó ìåæñ.ÁÏ
0100 00000 0000 01 0001 1100 ìåæñ.ÁÏ
0101 00000 0000 00 0001 0110 Ð1
0110 01100 0001 01 0001 1100 ÌÊ(1,2),ó2 ìåæñ.ÁÏ
0111 10000 0001 01 0001 1100 ÌÊ(0),ó2 ìåæñ.ÁÏ
1000 00000 0000 00 0001 1010 Ð1
1001 00000 0000 00 1101 1010 Ð13
1010 00000 0000 00 1000 1100 Ð8
1011 00010 0001 00 1000 1100 ÌÊ(3), ó2 Ð8
1100 00000 1001 10 0000 0000 ó12 îñòàíîâ
1101 00000 0000 00 0001 1110 Ð1
1110 00000 1001 10 0000 0000 ó12 îñòàíîâ
1111 00000 0000 01 0011 0000 ìåæñ.ÁÏ
11 0000 00000 0000 00 0011 0010 Ð3
0001
0010 00000 1001 10 0000 0000 ó12 îñòàíîâ
0011 00000 1000 10 0000 0000 ó10 îñòàíîâ

                                     Ëèòåðàòóðà

1. Êóðñ ëåêöèé ïî ïðåäìåòó “Ïðîöåññîðû”

2. Êàðöåâ Ì.À. Àðèôìåòèêà öèôðîâûõ ìàøèí. Ì. “Íàóêà” 1969

3. Øèëî Â.Ë. Ïîïóëÿðíûå öèôðîâûå ìèêðîñõåìû. Ì. “Ðàäèî è ñâÿçü”

                       Ñïåöèôèêàöèÿ

           

¹ Îáîçíà÷åíèå Êîë. Àäðåñ
1 Ê155ËÈ4 1 DD1
2 Ê155ËÈ6 1 DD2
3 Ê155ËË1 1 DD3
4 Ê155ÒÂ9 2 DD4, DD5
5 Ê155ÒÌ8 2 DD6, DD7
6 Ê556ÐÒ4 5 DD8 - DD12
7 Ê155ÈÏ5 2 DD13, DD14
8 Ê155ËÏ5 1 DD15
9 Ê155ÊÏ1 1 DD16
10 Ê155ËÈ1 1 DD17
11 Ê155ÈÄ3 1 DD18
12 Ê155ËÍ1 2 DD19, DD20

                              


Ñòðàíèöû: 1, 2, 3, 4


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