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 65 of 66
Mod. 0808 2011-07 Rev.2
26 Contents
1 Introduction ..................................................... 5
2 General description ......................................... 6
3 Features and benefits ..................................... 7
4 Applications .................................................... 8
5 Ordering information ....................................... 8
6 Block diagram ................................................. 9
7 Pinning information ....................................... 10
7.1 Pinning ..................................................... 10
7.2
Pin description .......................................... 10
7.2.1 Module pinning list ............................. 10
7.2.2 Internal pins list.................................. 17
8 Functional description ................................... 18
8.1 Utility Processor ........................................ 18
8.1.1 General features ................................ 18
8.1.2 Utility Processor block diagram .......... 20
8.1.3 Ethernet ............................................ 21
8.1.4 USB .................................................. 21
8.1.5 CAN .................................................. 21
8.1.6 Power-saving modes ......................... 22
8.1.7 RTC .................................................. 24
8.2 Application processor ................................ 24
8.3 Position processing ................................... 25
8.3.1 Key features ...................................... 25
8.3.2 Sensitivity .......................................... 25
8.4 UMTS/EDGE/GSM/GPRS coprocessor ..... 26
8.5 Near Field Communication coprocessor .... 26
8.6 Smartcard and JCOP operating system ..... 27
8.7 Debugging versus software security .......... 27
8.8 Firmware update Over The Air (FOTA) ...... 28
8.9 Battery and power management ................ 28
8.10 OTP content.............................................. 28
9 Application design-in information ................... 29
9.1 Battery charging ........................................ 29
9.2 Current source .......................................... 30
9.3 RTC .......................................................... 30
9.4 ESD protection .......................................... 30
9.5 NFC antenna design ................................. 30
9.6 Antenna placement ................................... 31
9.7 Electrical safety ......................................... 31
9.8 Software package...................................... 31
10 Limiting values .............................................. 32
11 Recommended operating conditions ............. 34
12 Thermal characteristics ................................. 34
12.1 Internal temperature sensor ....................... 34
12.2 Battery charging ........................................ 34
13 Static characteristics ..................................... 35
13.1 Pins........................................................... 35
13.2 Current sources ......................................... 36
13.3 Voltage references .................................... 37
13.4 Clocks ....................................................... 37
13.5 Battery charging ........................................ 39
14 Dynamic characteristics ................................ 40
14.1 Power consumption ................................... 40
14.2 Cellular RF parameters ............................. 42
15 Test and qualification information .................. 45
15.1 FCC and IC Cautions ................................ 46
15.2 1999/5/EC Directive regulatory notices ...... 48
15.3 Reliability qualification ............................... 50
16 Marking ......................................................... 52
17 Packing information....................................... 53
17.1 Footprint information for reflow soldering ... 53
18 Package outline ............................................ 54
19 Soldering ...................................................... 55
20 Abbreviations ................................................ 56
21 References ................................................... 60
22 Legal information .......................................... 61
22.1 Definitions ................................................. 61
22.2 Disclaimers ............................................... 61
22.3 Licenses .................................................... 62
22.4 Trademarks ............................................... 62
23 Contact information ....................................... 62
24 Tables ........................................................... 63
25 Figures ......................................................... 64
26 Contents ....................................................... 65
27 Revision history............................................. 66