LISA-U2 series - System integration manual
UBX-13001118 - R27
Appendix
Page 180 of 183
C1-Public
Abbreviation
Definition
PBCCH
Packet Broadcast Control Channel
PCM
Pulse Code Modulation
PCS
Personal Communications Service
PFM
Pulse Frequency Modulation
PMU
Power Management Unit
RF
Radio Frequency
RI
Ring Indicator
RTC
Real Time Clock
RTS
Request To Send
RXD
RX Data
SAW
Surface Acoustic Wave
SIM
Subscriber Identification Module
SMS
Short Message Service
SMTP
Simple Mail Transfer Protocol
SPI
Serial Peripheral Interface
SRAM
Static RAM
TCP
Transmission Control Protocol
TDMA
Time Division Multiple Access
TXD
TX Data
UART
Universal Asynchronous Receiver-Transmitter
UDP
User Datagram Protocol
UMTS
Universal Mobile Telecommunications System
USB
Universal Serial Bus
UTRA
UMTS Terrestrial Radio Access
VC-TCXO
Voltage Controlled - Temperature Compensated Crystal Oscillator
WCDMA
Wideband CODE Division Multiple Access
Table 62: Explanation of the abbreviations and terms used