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XPLR-IOT-1 - User guide
UBX-21035674 - R03
Appendix
Page
39
of
42
C1-Public
A
Appendix
A.1
Glossary
Abbreviation
Definition
ARM
Arm (Advanced RISC Machines) Holdings
BPS
Battery Protection System
CPU
Central Processing Unit
DC
Direct Current
eSIM
Embedded Subscriber Identity Module
GNSS
Global Navigation Satellite System
GPIO
General Purpose Input / Output
GPS
Global Positioning System
I2C
Inter-IC Communication
IPC
InterProcessor Communication
ISM
Industrial Scientific Medical (frequency bands)
LDO
Low Drop Out (voltage regulator)
LE
Low Energy
LED
Light Emitting Diode
Li-Po
Lithium-Polymer (battery)
LNA
Low Noise Amplifier
MCU
MicroController Unit
MQTT
Message Queuing Telemetry Transport
NC
Normally Closed
NCS
nRF Connect SDK
NFC
Near Field Communication
NO
Normally Open
PCBA
Printed Circuit Board Assembly
RAM
Random Access Memory
SAW
Surface Acoustic Wave (filter)
SDK
Software Development Kit
SIM
Subscriber Identity Module
System Integration Manual (for u-blox modules)
SoC
System on Chip
SPI
Serial Peripheral Interface
SWD
Serial Wire Debug
UART
Universal Asynchronous Receiver Transmitter
UARTE
Enhanced UART with EasyDMA
USART
Universal Synchronous Asynchronous Receiver Transmitter
USB
Universal Serial Bus
Table 21: Explanation of the abbreviations and terms used