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About the development board
User interface
The development board provides two user buttons and two user LEDs connected to GPIO signals of
the i.MX51.
The user buttons and the user LEDs can be enabled or disabled by correctly setting the corresponding
jumpers.
The table below shows the GPIO signal assigned to the user interface, and the jumpers used to
enable/disable the buttons and LEDs:
Signal
USER_BUTTON1 GPIO3_6
USER_LED1#
ConnectCore for i.MX51 Hardware Reference Manual
GPIO
Jumper
Comment
J28
10K pull-up to +2.775V on the development board
GPIO3_10 J16
User interface
118
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