User's Manual

TOBY-R2 series - Data Sheet
UBX-16005785 - R06 Appendix
Page 39 of 41
Appendix
A Glossary
Name
Definition
8-PSK
8 Phase-Shift Keying modulation
ADC
Analog to Digital Converter
CSFB
Circuit Switched Fall-Back
DDC
Display Data Channel (I
2
C compatible) Interface
DL
Down-link (Reception)
DNS
Domain Name System
ERS
External Reset Input Signal
ESD
Electrostatic Discharge
FOAT
Firmware update Over AT commands
FOTA
Firmware update Over The Air
FW
Firmware
GDI
Generic Digital Interfaces (power domain)
GMSK
Gaussian Minimum-Shift Keying modulation
GND
Ground
GNSS
Global Navigation Satellite System
GPIO
General Purpose Input Output
GPS
Global Positioning System
H
High
HSDPA
High Speed Downlink Packet Access
HSUPA
High Speed Uplink Packet Access
I
Input (means that this is an input port of the module)
I
2
C
Inter-Integrated Circuit Interface
I
2
S
Inter-IC Sound Interface
IMEI
International Mobile Equipment Identity
IMS
IP Multimedia Subsystem
L
Low
LGA
Land Grid Array
LTE
Long Term Evolution
N/A
Not Applicable
O
Output (means that this is an output port of the module)
OD
Open Drain
PCN / IN
Product Change Notification / Information Note
PD
Pull-Down
POS
Power-On Input Signal
PU
Pull-Up
RMC
Reference Measurement Channel
SDIO
Secure Digital Input Output
T
Tristate
TBD
To Be Defined
UL
Up-link (Transmission)
UMTS
Universal Mobile Telecommunications System
VoLTE
Voice over LTE
Table 32: Explanation of abbreviations and terms used