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Techniques des µ-processeurs - Pierre Bettens

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<strong>µ</strong> HEB<br />

ESI<br />

Représentation <strong>des</strong><br />

caractères<br />

Convention :<br />

Chaque caractère est représenté par un code.<br />

La taille de ce code est de un byte soit 256<br />

possibilités.<br />

Table ASCII<br />

Quelques exemples de la table ASCII<br />

‘ A ’ = 01000001b = 041h = 65<br />

‘ B ’ = 01000010b = 042h = 66<br />

‘ Z ’ = 01011010b = 05Ah = 90<br />

‘ 0 ’ = 00110000b = 030h = 48<br />

‘ 1 ’ = 00110001b = 031h = 49<br />

‘ 9 ’ = 00111001b = 039h = 57<br />

<strong>Techniques</strong> <strong>des</strong> <strong>µ</strong>-<strong>processeurs</strong> - 1ière - PBT / PMA<br />

MIC - <strong>µ</strong>-<strong>processeurs</strong> - PBT / PMA - Version 18 Oct 2001 66

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