OLIMEX© 2015
OLIMEXINO-5510 user's manual
6.2 UEXT connector
OLIMEXINO-5510 board has a UEXT connector and can interface Olimex's UEXT expansion
modules.
For more information on UEXT please visit:
http://www.olimex.com/dev/OTHER/UEXT.pdf
UEXT connector
Pin #
Signal Name
1
+3.3V
2
GND
3
D1(TXD)
4
D0(RXD)
5
SW_SCL/NC*
6
SW_SDA/NC*
7
NC/D12(MISO1)*
8
NC/D11(MOSI1)*
9
D13(SCK)
10
#UEXT_CS
*Those pin signals depend on the jumpers HW_SCL/SW_SCL and HW_SDA/SW_SDA. By
default the board is set in software SPI mode (SW_SCL/SW_SDA).
Notice the orientation of the cut on the connector in the picture above.
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