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matthiasw

Extension with Real-Time-Clock for Elektor Linuxboard using DS 1337

Status: Proposal
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March 31, 2013
IMG_DS1337.jpg
This little extension board provides the Elektor Linuxboard with a single real time clock. The Elektor extension board for the Elektor Linuxboard has a real time clock and a display and additional I/O. If only a real time clock is needed this little extension is sufficient. It uses a DS1337. The chip has two output pins for alarms that can be configured in software. The second alarm output pin can be configured as a programmable square wave output. The extension is supplied by the Elektor Linuxboard with 3,3V DC. A battery provides supply to the chip during power down.
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