Advanced Card Systems Ltd. ACR321, Руководство пользователя

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ACR321 - User Manual
Version 1.00
Page 8 of 11
info@acs.com.hk
www.acs.com.hk
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.
Figure 1: 60-pin connector layout