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INTERFACE DESCRIPTION |
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EDGE EE5x Interface Specification
The information contained in this document is the proprietary information of Sony Ericsson Mobile Communications International. The contents are confidential and any disclosure to persons other than the officers, employees, agents or subcontractors of the owner or licensee of this document, without the prior written consent of Sony Ericsson Mobile Communications International, is strictly prohibited. Further, no portion of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, without the prior written consent of Sony Ericsson Mobile Communications International, the copyright holder.
Confidential |
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Sony Ericsson Mobile Communications International publishes this document without making any warranty as to the content contained herein. Further Sony Ericsson Mobile Communications International reserves the right to make modifications, additions and deletions to this document due to typographical errors, inaccurate information, or improvements to programs and/or equipment at any time and without notice. Such changes will, nevertheless be incorporated into new editions of this document.
All rights reserved.
© Sony Ericsson Mobile Communications International, 2005
Revision Information
PA1 |
Sep 2005 |
First release |
Confidential |
3(31) |
INTERFACE DESCRIPT |
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1/155 19-KRD 104 1025 Uen |
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Contents
Part 1 : Overview ............................................................................................... |
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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 ........................................................................................... |
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2.5 |
Other Features .................................................................................. |
11 |
2.6 |
Precautions........................................................................................ |
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Part 2 : Daughter Card Description ................................................................. |
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3 |
Mechanical Description ..................................................................... |
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3.1 |
Physical Detail ................................................................................... |
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3.2 |
Variant Information ............................................................................ |
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3.2.1 |
Board Outline..................................................................................... |
14 |
3.2.2 |
System Connector ............................................................................. |
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4 |
System Interface................................................................................ |
15 |
4.1 |
Overview............................................................................................ |
15 |
4.1.1 |
System Connector ............................................................................. |
15 |
4.2 |
Electrical Interface Detail Format....................................................... |
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5 |
Electrical Interface ............................................................................. |
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5.1 |
Power Interfaces................................................................................ |
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5.1.1 |
VIN..................................................................................................... |
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5.1.2 |
3V3 .................................................................................................... |
21 |
5.1.3 |
VREF ................................................................................................. |
21 |
5.1.4 |
GND................................................................................................... |
22 |
5.2 |
Status Interfaces................................................................................ |
23 |
5.2.1 |
UVP ................................................................................................... |
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5.2.2 |
OVP ................................................................................................... |
24 |
5.2.3 |
RI ....................................................................................................... |
24 |
5.2.4 |
LED.................................................................................................... |
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5.2.5 |
VREF ................................................................................................. |
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5.3 |
Data Communication and Control Interfaces..................................... |
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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 |
Confidential |
4(31) |
INTERFACE DESCRIPT |
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Document number |
Revision |
1/155 19-KRD 104 1025 Uen |
PA4 |
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Part 1 : Overview
Confidential |
5(31) |
INTERFACE DESCRIPT |
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Document number |
Revision |
1/155 19-KRD 104 1025 Uen |
PA4 |
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1 Introduction
The EDGE Daughter Card is a total solution designed as an add-in option for integrators of the host product. The Daughter Card comprises of several component parts:
•EDGE wireless modem, which is the wireless enabling circuitry integrated on to the Daughter Card PCB together with its mechanical RF shielding
•RF connector, which provides physical connectivity between the Daughter Card and the antenna which is integrated in to the notebook mechanical housing
•Voltage regulation circuitry, which converts raw unregulated power from the host battery to the core regulated voltage to the EDGE wireless components
•System connector, which provided the data, control, power and status interface between the host and the wireless modem
•SIM connector, a combined connector and retention device for the users Subscriber Identity Module (SIM) card
EDGE WIRELESS |
VOLTAGE |
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SYSTEM |
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RF ANTENNA |
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CIRCUITRY |
REGULATION |
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CONNECTOR |
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CONNECTOR |
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SIM
CONNECTOR
DAUGHTER
CARD
Figure 1.1-1 EDGE Daughter Card Component Parts
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1.1Target Users
1.2Prerequisites
Integration of the EE5x Daughter Card may be performed at facilities under customer management.
1.3Notation
EDGE (Enhanced Data rate for GSM Evolution) is the wireless-enabling technology.
The EDGE Daughter Card describes the deliverable product. The EDGE Daughter Card is a PCB assembly with the components described on the previous page integrated on to the board. The complete assembly is reffered in this document as the DC (DC=Daughter Card ).
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2 EDGE Wireless Modem
2.1EDGE Wireless Modem in a Communication System
Figure 2.1-1 illustrates the main blocks of a wireless communication system using the EDGE Daughter Card embedded in a host device. It also shows the communication principles of the system. The definitions in the figure, as used elsewhere in this manual, are in accordance with the recommendations of GSM 07.07.
•The MS (mobile station) represents the EDGE Daughter Card modem plus SIM card.
•The modem excluding SIM card, is known as the ME (mobile equipment).
•The TE (terminal equipment) is a micro-controller (i.e., the host) and is a part of the application.
Figure 2.1-1 Main Blocks in a Wireless System
In accordance with the recommendations of ITU-T (International Telecommunication Union - Telecommunications Standardisation Sector) V.24, the TE communicates with the MS over a serial interface. This is the Universal Serial Bus (USB).
The functions of the EDGE modem follow the recommendations provided by ETSI (European Telecommunications Standards Institute) and ITU-T.
ETSI specifies a set of AT commands for controlling the GSM/E-GSM element of the modem; these commands are supplemented by Sony Ericsson specific commands.
Figure 2.1-2 Interface between Daughter Card and Application illustrates the interface between the Daughter Card and the host application. Each interface signal is described in Section 3.
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HOST EQUIPMENT |
Antenna |
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Communication
TE Control
(DTE)
Status
Power |
CONNECTOR SYSTEM
MS (EDGE MODEM)
Voltage
Reg
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SIM
Figure 2.1-2 Interface between Daughter Card and Application
Note that ITU-T standards define TE and TA as DTE (Data Terminal Equipment) and DCE (Data Circuit Terminating Equipment) respectively.
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2.2Functional Block Diagram
A function representation of the EDGE duaghter card is included in the figure below.
UART
DAUGHTER CARD
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INTERFACE |
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TESTINTERFACE |
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LED RI |
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SIM |
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USB |
EDGE MODULE |
LEVEL SHIFTER |
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VOLT |
REG |
CONNECTOR |
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JTAG |
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DMA |
Arbiter |
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SIM |
UART |
GPIO |
USB |
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VOLTAGE REGULATORS |
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SWITCHING |
REGULATOR |
SYSTEM |
POWER STATUS POWER |
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ARM926EJ |
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YRAM CACHE |
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Bridge |
PROCESSORBUS |
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VPA |
OV & SCCT |
PROTECTION |
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XRAM |
DROM |
Memory |
Shared |
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Coding |
Boot |
Control |
Power |
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External |
Memory |
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Channel |
ROM |
Interrupt |
Mngmt |
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TeakLite |
DSP |
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Bridge |
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AFC Register |
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AGC Register |
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PROM |
PRAM |
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Control |
A5 |
Viterbi Accel |
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GSM Timer |
RF Serial Port |
Burst Buffer |
Burst Buffer |
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PA RAM |
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Interrupt |
Encrypt |
Equalizer |
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AFC |
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Mod |
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PA |
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BASEBAND ASIC |
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Power Control |
TX/RX State Machine |
PLL |
DAC |
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DAC |
S-D ADC |
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DAC |
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MOD |
PGA |
AGC DAC |
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MEMORY |
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32kHz XTAL |
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13MHz VCXO |
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Serial |
Control |
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LOOP FILTER |
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ASIC |
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PLL |
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TRANSCEIVER |
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90° :2 |
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90° :4 |
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90° :4 |
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90° :2 |
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RF |
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RX SAW FILTERS |
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DRIVER BALUN |
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fixed VAPC |
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VPA |
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limiter |
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SWITCH |
fixed VAPC |
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ANTENNA |
CONNECTOR |
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ANT SWITCH |
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PA |
bias |
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Figure 2.2-1 EDGE Daughter Card Functional Block Diagram
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PA4 |
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2.3Features
The EDGE modem performs a set of telecom services (TS) according to GSM standard phase 2+, ETSI and ITU-T. The functions of the modem are implemented by issuing AT commands over a serial interface.
2.3.1Mobile Station Characteristics
The EDGE modem can be configured for single, dual, triple and quad band GSM functionality. The quad band characteristics of the EDGE modem are shown in the following table.
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EDGE MODEM |
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GSM850 |
E-GSM900 |
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GSM1800 |
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GSM1900 |
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Frequency range (MHz) |
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TX: 824-849 |
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TX: 880-915 |
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TX: 1710-1785 |
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TX: 1850-1910 |
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RX: 869-894 |
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RX: 925-960 |
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RX: 1805-1880 |
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RX: 1930-1990 |
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Channel spacing |
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200kHz |
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Number of channels |
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123 x 8 (TDMA) |
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173 x 8 (TDMA) |
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373 x 8 (TDMA) |
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298 x 8 (TDMA) |
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Duplex spacing |
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45MHz |
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95MHz |
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80MHz |
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Modulation |
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GSM/GPRS |
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GMSK |
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EDGE |
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8-PSK |
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Tx phase accuracy |
Nom. |
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TBD |
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(burst) |
Max. |
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<5° rms phase error ; <20° max peak phase error |
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Tx Spectrum Due to |
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100KHz |
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<+0.5dB |
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200KHz |
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<-30dB |
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Modulation |
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250KHz |
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<-33dB |
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400KHz |
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<-58dB |
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100KHz |
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<-23dBm |
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Tx Spectrum Due to |
200KHz |
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<-26dBm |
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Switching Transients |
250KHz |
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<-32dBm |
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400KHz |
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<-36dBm |
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Receiver sensitivity (ANT pin) |
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<-102dBm |
<-102dBm |
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<-102dBm |
<-102dBm |
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Transmitter |
GSM |
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Class |
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Class 4 |
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Class 1 |
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Nom. |
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+33dBm |
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+30dBm |
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output power |
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Class |
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Class E2 |
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Class E2 |
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(ANT conn) |
EDGE |
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Nom. |
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+27dBm |
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+26dBm |
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Receiver sensitivity |
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Nom.1 |
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<-104dBm |
<-104dBm |
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<-104dBm |
<-104dBm |
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(ANT connector) |
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Max. |
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<-102dBm |
<-102dBm |
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<-102dBm |
<-102dBm |
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Rx Intermodulation |
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f1 |
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-49dBm |
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F0 = 2f1-f2; |
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f2 |
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-49dBm |
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|f2–f1| = 800KHz |
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GPRS operation |
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Class 10 |
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1 - Design aim
Note that the number of frequency bands available will be dependant upon the factory configuration.
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