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ACM39U-Y
– User Manual
Version 1.00
www.acs.com.hk
Page 10 of 14
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.hk
5.2. Card Detection Pin Behaviors
The table below shows the behavior of the card detection pin.
Card Status
Behavior
Card inserted
Connected to GND
Card removed
Floating
5.3. Configure Card Detection Signal
To get the card detection signal in (
J2
), connect a jumper in (
J3
) as shown in the connection diagram.
Figure 5
: Card Detection Signal Pin Diagram
Note: This setting means that the ACM39U-Y card connector is set to Normal Open as mentioned in
the section Configuring Card Detection. If Normal Closed card detection is set, the behaviors
indicated in the section Card Detection Pin Behaviors are reversed.
Figure 6
: ACM39U-Y Card Detection Signal Configuration