Data Sheet

80 NCSOM80 Leaveunconnected.
81 NCSOM81 Leaveunconnected.
82 NCSOM82 Leaveunconnected.
83 CELL_GPS_RX IN CELL CellularmodemGPSserialRXdata.
84 CELL_GPS_TX OUT CELL CellularmodemGPSserialTXdata.
85 CELL_RI OUT CELL Cellularmodemringindicatoroutput.
86 GND POWER Ground
87 CELL_GPS_RF RF CELL CellularmodemGPSantenna.Optional.
88 GND POWER Ground
89 GND POWER Ground
90 GNSS_BOOT GNSS u-bloxGNSSbootmode
91 GNSS_ANT_PWR GNSS u-bloxGNSSantennapower
92 GNSS_LNA_EN GNSS u-bloxGNSSLNAenableorantennaswitch
93 GND POWER Ground
94 GNSS_RF GNSS GNSSantenna.
95 GND POWER Ground
Note:AllGPIO,ADC,andperipheralssuchasI2C,Serial,andSPIare3.3Vmaximumandare not5V
tolerant.
Pinnumbersmatchthetriangularnumbersinthegraphicabove.
1
PinusageontheTrackerOne.
2
TheGNSS_PULSEpincanbeusedforahardwareGPSlockindicator,howevertheTrackerOne
controlstheGNSSLockindicatorinsoftwareandconnectstheLEDtopinA2.
SoMPin GPIO Analog Other PWM nRFPin
55 D0 A0
WireSDA
1
Group0 P0.03
56 D1 A1
WireSCL
1
Group0 P0.02
57 D2 A2 Serial1CTS Group0 P0.28
58 D3 A3 Serial1RTS Group0 P0.30
41 D4 A4 SPIMOSI Group1 P0.31
40 D5 A5 SPIMISO Group1 P0.29
39 D6 A6 SPISCK Group1 P0.04
38 D7 A7 SPISS,WKP Group1 P0.05
72 D8 Serial1TX,Wire3SCL Group2 P0.06
71 D9 Serial1RX,Wire3SDA Group2 P0.08
1
Pull-upresistorsarenotincluded.WhenusingasanI2Cport,externalpull-upresistorsare
required.
NRF52PINASSIGNMENTS