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F224d Faria, Rubens Alexandre de Desenvolvimento de ... - UTFPR

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58<br />

(a)<br />

4-+<br />

5mskliv<br />

2V1div<br />

(b)<br />

5ms/div<br />

(c )<br />

ZVldiv<br />

5msldiv<br />

Figura 12 (a): Forma <strong>de</strong> onda na saida do pino 14 do AT89C52 quando E é negativo e E<br />

2°C; (b): Forma <strong>de</strong> onda na saida do pino 14 do AT89C52 quando e é negativo e 2°C<br />

1°C; (c): Forma <strong>de</strong> onda na saida do pino 14 do AT89C52 quando £ possui qualquer valor<br />

positivo.

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