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The board has two push-buttons connected to the FPGA, as shown in
support Schmitt trigger input on all I/O pins. A Schmitt trigger feature introduces hysteresis to the
input signal for improved noise immunity, especially for signal with slow edge rate and act as
switch debounce in
Figure 3-12
Figure 3-11 Connections between the push-buttons and the MAX 10 FPGA
Pushbutton depressed
Before
Debouncing
Schmitt Trigger
Debounced
There are two CapSense buttons connected to the FPGA, as shown in
DECA User Manual
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for the push-buttons connected.
Figure 3-12 Switch debouncing
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Pushbutton released
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Figure 3-11.
Figure
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MAX 10 devices
3-13. Through the
www.terasic.com
May 22, 2015
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- Layout and Components
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