Advanced Card Systems Limited ACR321 Benutzerhandbuch
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ACR321 - User Manual
Version 1.00
Page 8 of 11
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3.4. Pin assignment
GPIO is provided for reading status like door open/close and driving devices such as external
buzzer or release a turnstile. Here is the pin assignment and some input/output circuit examples.
buzzer or release a turnstile. Here is the pin assignment and some input/output circuit examples.
Figure 1: 60-pin connector layout