OLIMEX© 2012
MOD-RTC User's Manual
CHAPTER 6
HARDWARE
6. Introduction to the chapter
In this chapter are presented the connectors that can be found on the board all together with their
pinout. Jumpers functions are described. Notes and info on specific peripherals are presented. Notes
regarding the interfaces are given.
6.1 BAT connector
3V battery can be inserted to power the board externally. Insert the battery with its positive side top.
6.2 UEXT
MOD-RTC board has UEXT connector and can interface Olimex's UEXT modules. Since MOD-
RTC is configured as a (slave) device it is advisable to be connected to a host device.
For more information on UEXT please visit:
http://www.olimex.com/dev/OTHER/UEXT.pdf
Pin #
Signal Name
1
+3.3V
2
GND
3
CLKOUT
4
#INT
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