Integration Guide

GEM3 Module Hardware Integration Guide Version 0.1
North Pole Engineering
221 N 1st St, Minneapolis, MN 55401
www.npe-inc.com
612.305.0440
USB
4.1.5 NFC
The GEM3 contains a 13.56 MHz AM receiver and a 13.56 MHz load modulator compatible with
the NFC-A listen mode operation defined in the NFC Forum with 106 kbps data rate. The
GEM3’s NFC-A support allows for Out-of-Band (OOB) pairing simplifying pairing between two
Bluetooth devices by exchanging authentication information over an NFC link.
NFC
4.1.6 Reset
The GEM3 module can be reset by holding PIN 25 low for 0.5us. The following is an example
reset circuit: