User's Manual

Confidential
INTERFACE DESCRIPT
3(31)
Document number Revision
1/155 19-KRD 104 1025 Uen PA4
Contents
Part 1 : Overview ...............................................................................................4
1 Introduction..........................................................................................5
1.1 Target Users........................................................................................6
1.2 Prerequisites........................................................................................6
1.3 Notation ...............................................................................................6
2 EDGE Wireless Modem.......................................................................7
2.1 EDGE Wireless Modem in a Communication System .........................7
2.2 Functional Block Diagram....................................................................9
2.3 Features ............................................................................................10
2.3.1 Mobile Station Characteristics ...........................................................10
2.3.2 Environmental Conditions..................................................................11
2.4 SIM Card ...........................................................................................11
2.5 Other Features ..................................................................................11
2.6 Precautions........................................................................................11
Part 2 : Daughter Card Description .................................................................12
3 Mechanical Description .....................................................................13
3.1 Physical Detail ...................................................................................13
3.2 Variant Information ............................................................................14
3.2.1 Board Outline.....................................................................................14
3.2.2 System Connector .............................................................................14
4 System Interface................................................................................15
4.1 Overview............................................................................................15
4.1.1 System Connector .............................................................................15
4.2 Electrical Interface Detail Format.......................................................18
5 Electrical Interface .............................................................................19
5.1 Power Interfaces................................................................................19
5.1.1 VIN.....................................................................................................20
5.1.2 3V3 ....................................................................................................21
5.1.3 VREF .................................................................................................21
5.1.4 GND...................................................................................................22
5.2 Status Interfaces................................................................................23
5.2.1 UVP ...................................................................................................23
5.2.2 OVP ...................................................................................................24
5.2.3 RI .......................................................................................................24
5.2.4 LED....................................................................................................25
5.2.5 VREF .................................................................................................25
5.3 Data Communication and Control Interfaces.....................................26
5.3.1 USB Interface ....................................................................................26
5.3.2 P_EN .................................................................................................26
5.4 ANTENNA CONNECTOR .................................................................27
6 Rudimentary Circuit Functions ..........................................................28
6.1 Power On Sequence .........................................................................28
6.2 Power Off Sequence .........................................................................29
6.3 USB communications information .....................................................30