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Hardware Manual - RTD Embedded Technologies, Inc.

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+5 V<br />

PA<br />

8255<br />

PULL-UP<br />

V<br />

G<br />

10K<br />

PORT A<br />

(PA0-7)<br />

+5 V<br />

CL<br />

PULL-DOWN<br />

V<br />

G<br />

10K<br />

PORT C<br />

LOWER<br />

(PC0-3)<br />

+5 V<br />

CH<br />

V<br />

G<br />

PORT C<br />

UPPER<br />

(PC4-7)

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