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User interface
The ConnectCore 9M 2443 development board implements two user buttons and two
user LEDs in addition to those provided on the module. The user LEDs on the
development board can be enabled or disabled by correctly setting jumper J5 and
J6. The table below shows which S3C22443 GPIO is available for implementing the
user interface.
Signal name
USER_BUTTON1
USER_LED1#
USER_BUTTON2
USER_LED2#
GPIO used
GPF0
GPL11
GPF1
GPL10
Comments
100 Ohm serial resistors should be used to
avoid conflicts with the CPU functions when
the buttons are pushed.
Jumper JP5 as to be set.
100 Ohm serial resistors are used to avoid
conflicts with the CPU functions when the
buttons are pushed.
Jumper JP6 as to be set.
Both push-buttons can also be used for wake-up functions.
Power
management
User buttons can also be used as a wake-up event for power management modes.
The user LEDs on the development board can be enabled or disabled by correctly
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setting J5/J6.
General information
The integrated on-chip functions of the module are outlined below.
Signal name
USER_LED_1
USER_LED_2
GPIO used
GPL11
GPL10
Power supply
www.digiembedded.com
?
?
?
ConnectCore 9M 2443 Development Board is powered by either the main 9-
30VDC power supply or by the PoE (IEEE 802.3af) module near to the Ethernet
connector.
Both power supply sources can be switched off through one power switch.
From the varying input voltage (9-30VDC), a stable base power supply is
created on the ConnectCore 9M 2443 development board. The 3.3VDC power
supply is provided to the module, where other power supplies can be
generated.
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