Trion T20 BGA256 Development Kit User Guide
User Inputs
The board has 3 pushbutton switches that you can use as inputs to the T20F256C device. The
T20F256C bank 1A I/O signals connected to these switches have a pull-up resistor. When
you press the switch, the signal drives low, indicating user input.
User Pushbuttons
Table 12: User Pushbuttons
Reference Designator
T20F256C Pin Name
Active
SW4
GPIOL_02
Low
SW5
GPIOL_04
Low
SW6
GPIOL_05
Low
User DIPswitches
Table 13: User DIPswitches
Reference Designator
T20F256C Pin Name
Off (Default)
On
SW3.1
GPIOL_128
Low
High
SW3.2
GPIOL_129
Low
High
SW3.3
GPIOL_130
Low
High
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