User's Manual

COMPANY CONFIDENTIAL
2
Index
Index ......................................................................................................................................................... 2
Part1. Module Spec Sheet .................................................................................................................... 5
1 Introduction .................................................................................................................................... 5
2 Block Diagram ................................................................................................................................ 5
3 Board Pictures ................................................................................................................................. 6
3.1 Top View of CX Module ........................................................................................................ 6
3.2 Bottom View of CX Module .................................................................................................. 7
3.2.1 CX Module Bottom View w/64-pin Low Density Connector ............................................. 7
3.2.2 CX Module Bottom View w/120-pin Media Connector ..................................................... 7
3.3 Production Module with Top and RF shields in place – Top View ........................................ 8
3.4 Production Module with 64-pin Connector Option – Side View ........................................... 8
3.5 Example Production Module Showing Soldered RF Shield .................................................. 9
3.6 Production Module with Bottom Shield (Part Numbers with a “B” after the configuration
letter) 10
3.6.1 Including J3 Low Density 64-pin connector – Bottom View ............................................ 10
3.6.2 Including J2 High Density 120-pin connector – Bottom View ......................................... 10
4 Ordering Guide ............................................................................................................................. 11
4.1 Part Number Syntax ............................................................................................................. 11
5 Electrical Specifications ............................................................................................................... 12
5.1 Absolute Maximum Ratings................................................................................................. 13
5.2 Operating Conditions ........................................................................................................... 13
5.3 WiFi Specification (CX870 only) ........................................................................................ 14
6 Regulatory Compliance and Quality .......................................................................................... 15
6.0.1 Antenna Considerations ............................................................................................................. 15
6.0.2 CX Power Settings Used For Modular Approval ...................................................................... 16
6.0.3 FCC IC Warning Message ......................................................................................................... 16
6.1 RoHS .................................................................................................................................... 19
6.2 Environmental Test ............................................................................................................... 19
6.3 ESD and Transient Test (Applies to LAN and USB external connections only) ................. 19
6.4 Magnetic Field Test .............................................................................................................. 20
6.5 MTBF ................................................................................................................................... 20
6.6 Mechanical Specifications .................................................................................................... 20
6.7 Module Quality .................................................................................................................... 20
7 Board Dimensions and Weight .................................................................................................... 21
7.1 Top & Bottom View of CX870 Module without Bottom Shield ......................................... 21
7.1.1 Top & Bottom View of CX Module with Bottom Shield .................................................. 21
7.2 Side View of CX870 module without Bottom Shield .......................................................... 22
7.2.1 Side View of CX Module with Bottom Shield except CX870-3JB .................................. 22
7.2.2 Side View of CX870 Module with Bottom Shield part number CX870-3JB only ........... 23
7.3 3D View of CX870 Module without Bottom Shield ............................................................ 23
7.4 Module Weight ..................................................................................................................... 23
8 Connectors and Connections ....................................................................................................... 24
8.1 WLAN UFL Antenna Connector (optional) ......................................................................... 24
8.2 Module Connectors .............................................................................................................. 24
8.2.1 Pin Descriptions ................................................................................................................ 25
8.2.2 Connector PIN Assignments ............................................................................................. 30
8.2.3 GPIO Assignments ............................................................................................................ 32
9 Application Guidelines ................................................................................................................. 32
9.1 Power Supply sequencing and Reset Timing ....................................................................... 32