Hardware Manual - RTD Embedded Technologies, Inc.
Hardware Manual - RTD Embedded Technologies, Inc.
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)