Zewnętrzna pamięć dla C51

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Zewnętrzna pamięć dla C51 - Forum Elektroniczne

ODPOWIEDZ

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DECArt: Raczkujący użytkownik 1; Posty: 2; Rejestracja: śr 05 lut 2003, 12:10; Lokalizacja: Warszawa; Kontaktowanie:
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Zewnętrzna pamięć dla C51

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Postautor: DECArt » śr 05 lut 2003, 12:19

Byłbym wdzięczny gdyby ktoś podpowiedział mi jakiego układu najlepiej użyć jako zewnętrzna pamięć programu dla mikrokontrolera 80C31(wersja 51 bez wew. pamięci programu). Zależy mi aby nie był to żaden EPROM ani nic takiego tylko najzwyklejszy RAM.

Dziękuję i Pozdrawiam

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Mironus: Raczkujący użytkownik 1; Posty: 3; Rejestracja: czw 27 mar 2003, 21:53; Lokalizacja: Tychy; Kontaktowanie:
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Postautor: Mironus » czw 27 mar 2003, 23:45

Nie wiem czy dobrze się znasz na rodzinie C51, ale nie możesz zastosować jako pamięci programu układu RAM (chyba że będziesz podtrzymywał zasilanie pamięci RAM), zrestą w układzie 80C51 równierz musisz zastosować zewnętrzną pamięć programu (wewnętrzna pamięć jest zaprogramowana przez producenta układu w czasie produkcji (tzw. programowanie maską) dla konkretnego odbiorcy układu).
Dla dokładnego zapoznania się z zagadnieniem polecam książkę "Mikrokomputery jednoukładowe rodziny MCS-51" pana Andrzeja Rydzewskiego

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Tomek11r: Raczkujący użytkownik 1; Posty: 4; Rejestracja: ndz 13 kwie 2003, 11:09

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Postautor: Tomek11r » ndz 13 kwie 2003, 11:44

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