Ñòóäåíòàì > Ðåôåðàòû > Îïèñàíèå ðàáîòû ýëåêòðè÷åñêîé ñõåìû îõðàííîãî óñòðîéñòâà
Îïèñàíèå ðàáîòû ýëåêòðè÷åñêîé ñõåìû îõðàííîãî óñòðîéñòâàÑòðàíèöà: 4/6
3 16
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15
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5 1008ÂÆ10 14
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6 13
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8 11
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Ðèñ. 4.4. Öîêîë¸âêà êîðïóñà 1008ÂÆ10 (ïëàñòìàññîâûé êîðïóñ òèïà
2104.18-10).
Íàçíà÷åíèå âûâîäîâ ìèêðîñõåìû :
1 - Ucc - íàïðÿæåíèå ïèòàíèÿ ;
2 ![](images/referats/175/image078.gif) - Uref
- âõîä ñõåìû îãðàíè÷åíèÿ ;
3 - COL1
4 - COL2
- êëàâèàòóðíûå âõîäû (ñòîëáöû);
5 - COL3
6 - GND - çåìëÿ ;
7 - RD
8 - C - âûâîäû äëÿ ïîäêëþ÷åíèÿ RC-öåïè ãåíåðàòîðà;
9 - RC
10 - PPS - âûáîð ÷àñòîòû èìïóëüñîâ êîäîâîé
ïîñûëêè;
11 - M/B - âûáîð îòíîøåíèÿ èìïóëüñ/ïàóçà;
12 ![](images/referats/175/image083.gif) - MUTE
- âûõîä ðàçãîâîðíîãî êëþ÷à;
13 ![](images/referats/175/image084.gif) - ROW4
14 - ROW3 - êëàâèàòóðíûå âõîäû
(ñòðîêè);
15 - ROW2
16 ![](images/referats/175/image045.gif) - ROW1
17 - HS - âõîä îò
«ðû÷àæíîãî ïåðåêëþ÷àòåëÿ» (ïîëîæåíèå òðóáêè);
18 - DP - âûõîä
èìïóëüñíîãî êëþ÷à.
![](images/referats/175/image087.gif) ![](images/referats/175/image088.gif) ![](images/referats/175/image089.gif) ![](images/referats/175/image090.gif) ![](images/referats/175/image091.gif) ![](images/referats/175/image092.gif) ![](images/referats/175/image088.gif) ![](images/referats/175/image089.gif) ![](images/referats/175/image089.gif) ![](images/referats/175/image076.gif) ![](images/referats/175/image093.gif) ![](images/referats/175/image074.gif) ![](images/referats/175/image076.gif) ![](images/referats/175/image094.gif) ![](images/referats/175/image094.gif) ![](images/referats/175/image074.gif) ![](images/referats/175/image074.gif) ![](images/referats/175/image076.gif)
![](images/referats/175/image095.gif) ![](images/referats/175/image096.gif)
![](images/referats/175/image097.gif) ![](images/referats/175/image098.gif)
Âõîäíàÿ
ëîãèêà
êëàâèàòó ðû
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Ðèñ. 4.5. Ñòðóêòóðíàÿ ñõåìà 1008ÂÆ10 :
Áëîê
ôîðìèðîâàíèÿ âûõîäíûõ ñèãíàëîâ
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![](images/referats/175/image100.gif)
13
![](images/referats/175/image087.gif) ![](images/referats/175/image093.gif)
14 12
15
16 18
3
4 18
5
17
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11 2
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