User's Guide

ATOP3.5G Product Description
80447ST10636A rev.10 – 2015-03-03
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 56 of 66
Mod. 0808 2011-07 Rev.2
20 Abbreviations
Table 35 Abbreviations
Acronym Description
1PPS 1 Pulse Per Second
3GPP Third-Generation Partnership Project
A/D Analog to Digital interface
ACLR Adjacent Channel Leakage Ratio (out-of-band power ratio falling in the adjacent
channel)
ADC Analog to Digital Converter
AEC Automotive Electronics Council
AES Advanced Encryption Standard
AHR Advanced High-Performance Bus
APB Advanced Peripheral Bus
API Application Programming Interface
ATOP Automotive Telematics On-board unit Platform
CAN Controller Area Network
CDC Connected Device Configuration
CDM ESD Charged Device Model ESD
CEP50 Circular Error Probable 50%
CLK Clock
CPU Central Processing Unit
D/A Digital to Analog interface
DAC Digital to Analog Converter
DCS Digital Cellular System
DDR Double Data Rate (memory)
DES Data Encryption Standard
DL DownLink
DMA Direct Memory Access
DPA Differential Power Analysis
DSP Digital Signal Processor
ECC Error Correcting Code
EDGE Enhanced Data Rates for GSM Evolution
EEPROM Electrically Erasable Programmable Read-Only Memory
EGNOS European Geostationary Navigation Overlay Service
EJTAG Extended Joint Test Action Group
EMC ElectroMagnetic Compatibility
EMV Eurocard MasterCard Visa
EN European Norm
ESD ElectroStatic Discharge
EVM Error Vector Magnitude