User Guide

HE910 Hardware User Guide
1vv0300925 Rev.18 – 15-06-2012
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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 HE910 MODULE CONNECTIONS ............................................................................................................................... 12
3.1 PIN-OUT ......................................................................................................................................................................... 12
3.1.1 LGA Pads Layout (HE910 and HE910-GA) .............................................................................................................. 18
3.1.2 LGA Pads Layout (HE910-D) ................................................................................................................................... 19
3.1.3 LGA Pads Layout (HE910-EUx and HE910-NAx) ..................................................................................................... 20
3.1.4 LGA Pads Layout (HE910-EUG and HE910-NAG) .................................................................................................... 21
4 HARDWARE COMMANDS ........................................................................................................................................ 22
4.1 TURNING ON THE HE910 ................................................................................................................................................... 22
4.2 TURNING OFF THE HE910 .................................................................................................................................................. 27
4.3 HE910 UNCONDITIONAL SHUTDOWN .................................................................................................................................... 29
4.4 HE910 RESET .................................................................................................................................................................. 32
5 POWER SUPPLY ....................................................................................................................................................... 35
5.1 POWER SUPPLY REQUIREMENTS ............................................................................................................................................ 35
5.2 POWER CONSUMPTION ....................................................................................................................................................... 36
5.3 GENERAL DESIGN RULES ...................................................................................................................................................... 37
5.3.1 Electrical Design Guidelines ................................................................................................................................... 37
5.3.2 Thermal Design Guidelines ..................................................................................................................................... 41
5.3.3 Power Supply PCB layout Guidelines ...................................................................................................................... 42
6 GSM/WCDMA RADIO SECTION ............................................................................................................................... 43
6.1 HE910 PRODUCT VARIANTS ................................................................................................................................................ 43
6.2 TX OUTPUT POWER ............................................................................................................................................................ 43
6.3 SENSITIVITY ....................................................................................................................................................................... 44
6.4 GSM/WCDMA ANTENNA REQUIREMENTS ............................................................................................................................ 44
6.5 GSM/WCDMA - PCB LINE GUIDELINES ................................................................................................................................ 45
6.6 GSM/WCDMA ANTENNA - INSTALLATION GUIDELINES ........................................................................................................... 46
6.7 ANTENNA DIVERSITY REQUIREMENTS ..................................................................................................................................... 47
7 GPS RECEIVER .......................................................................................................................................................... 48
7.1 GPS PERFORMANCES .......................................................................................................................................................... 48
7.2 GPS SIGNALS PINOUT ......................................................................................................................................................... 49
7.3 RF FRONT END DESIGN ....................................................................................................................................................... 49
7.3.1 RF Signal Requirements .......................................................................................................................................... 49
7.3.2 GPS Antenna Polarization ...................................................................................................................................... 50