User's Manual

GE864- QUAD Har dwar e User Guide
1vv0300872 Rev.1 2010-04-02
- All Rights Reserved. Page 4 of 77
Contents
APPLICABILITY TABLE ........................................................................................................................................................ 2
1. INTRODUCTION .................................................................................................................................................... 7
1.1. SCOPE .................................................................................................................................................................... 7
1.2. AUDIENCE............................................................................................................................................................... 7
1.3. CONTACT INFORMATION, SUPPORT ............................................................................................................................. 7
1.4. DOCUMENT ORGANIZATION ....................................................................................................................................... 8
1.5. TEXT CONVENTIONS ................................................................................................................................................. 9
1.6. RELATED DOCUMENTS .............................................................................................................................................. 9
1.7. DOCUMENT HISTORY .............................................................................................................................................. 10
2. OVERVIEW .......................................................................................................................................................... 11
3. GE864 MECHANICAL DIMENSIONS ..................................................................................................................... 12
4. GE864 MODULE CONNECTIONS .......................................................................................................................... 13
4.1. PIN- OUT ........................................................................................................................................................... 13
4.1.1. BGA Balls Layout ................................................................................................................................... 17
5. HARDWARE COMMANDS ................................................................................................................................... 19
5.1. TURNING ON THE GE864- QUAD ........................................................................................................................ 19
5.2. TURNING OFF THE GE864- QUAD ...................................................................................................................... 21
5.2.1. Hardwar e Unconditional Restar t ........................................................................................................ 22
6. POWER SUPPLY .................................................................................................................................................. 25
6.1. POWER SUPPLY REQUIREMENTS ......................................................................................................................... 25
6.2. GENERAL DESIGN RULES .................................................................................................................................... 27
6.2.1. Electrical Design Guidelines ............................................................................................................... 27
6.2.1.1. +5V input Source Power Supply Design Guidelines ............................................................................................... 27
6.2.1.2. +12V input Source Power Supply Design Guidelines ............................................................................................. 28
6.2.1.3. Battery Source Power Supply Design Guidelines ................................................................................................... 30
6.2.1.4. Battery Charge Control Circuitry Design Guidelines .............................................................................................. 30
6.2.2. Thermal Design Guidelines ................................................................................................................. 32
6.2.3. Power Supply PCB Layout Guidelines ................................................................................................ 33
7. ANTENNA ........................................................................................................................................................... 35
7.1. GSM ANTENNA REQUIREMENTS .......................................................................................................................... 35
7.2. GSM ANTENNA – PCB LINE GUIDELINES ............................................................................................................ 36
7.3. GSM ANTENNA – INSTALLATION GUIDELINES ...................................................................................................... 37
8. LOGIC LEVEL SPECIFICATIONS ............................................................................................................................. 38
8.1. RESET SIGNAL .................................................................................................................................................... 39
9. SERIAL PORTS ..................................................................................................................................................... 40
9.1. MODEM SERIAL PORT .......................................................................................................................................... 40
9.2. RS232 LEVEL TRANSLATION .............................................................................................................................. 42
9.3. 5V UART LEVEL TRANSLATION........................................................................................................................... 44
10. AUDIO SECTION OVERVIEW ........................................................................................................................... 46