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6.2 UEXT connector
LPC-P11C24 board has a UEXT connector and can interface Olimex's UEXT expansion modules.
For more information on UEXT please visit:
https://www.olimex.com/Products/Modules/UEXT/
UEXT connector
Pin # Signal Name
1 +3.3V
2 GND
3 TXD
4 RXD
5 SCL
6 SDA
7 MISO1
8 MOSI1
9 SCK1
10 SSEL1
Notice the orientation of the cut on the connector in the picture above.
6.3 Proto area pads
The proto area allows easier and safer analyzing of signals on the board and also provides easier
access to free processor pins. In the table below the pads are listed with their corresponding
processor pins. When a name of signal is available and written before the processor pin this means
the pad is used for the peripheral of the board and provides debug interface. If you wish to use such
a pad as GPIO probably you would have to disable some of peripherals on the board.
The pad names are written on the board and the names are above the corresponding pads.
Page 14 of 26
LPC-P11C24 user's manual
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