Download GR 47 / GR 48 Technical Description

GR47/GR48 Technical description
Contents
1
INTRODUCTION ...........................................................................................................5
1.1
OVERVIEW ...............................................................................................................5
1.2
FEATURES ...............................................................................................................6
1.2.1
Type of Mobile Station ......................................................................................6
1.2.2
SMS ................................................................................................................7
1.2.3
Voice calls .......................................................................................................7
1.2.4
Data ................................................................................................................7
1.2.5
SIM Card .........................................................................................................8
1.2.6
Power consumption ..........................................................................................8
1.2.7
Other features ..................................................................................................8
1.2.8
Development Kit...............................................................................................8
1.3
PRECAUTIONS ..........................................................................................................9
1.4
ABBREVIATIONS ........................................................................................................9
2
MECHANICAL DESCRIPTION .................................................................................... 11
2.1
2.2
3
INTERFACE D ESCRIPTION ......................................................................................... 11
PHYSICAL DIMENSIONS ............................................................................................ 12
SYSTEM CONNECTOR INTERFACE .......................................................................... 13
3.1
OVERVIEW ............................................................................................................. 13
3.2
GENERAL ELECTRICAL AND LOGICAL CHARACTERISTICS ................................................ 16
3.2.1
General Protection Requirements.................................................................... 17
3.3
GROUNDS .............................................................................................................. 18
3.3.1
The Analogue Ground..................................................................................... 18
3.3.2
The Digital Ground (DGND) ............................................................................ 18
3.4
R EGULATED POWER S UPPLY .................................................................................... 19
3.4.1
Power Supply (VCC)....................................................................................... 19
3.4.2
Battery Charging Input (CHG_IN) .................................................................... 19
3.5
ON/OFF AND EXTERNAL POWER S IGNALS .................................................................. 20
3.5.1
Module ON/OFF ............................................................................................. 20
3.5.2
External 2.75 V (VIO)...................................................................................... 21
3.6
ANALOGUE A UDIO ................................................................................................... 22
3.6.1
Audio To Mobile Station (ATMS)...................................................................... 22
3.6.2
Audio From Mobile Station (AFMS).................................................................. 24
3.7
MICROPHONE S IGNALS ............................................................................................ 24
3.8
SPEAKER S IGNALS .................................................................................................. 25
3.9
D IGITAL AUDIO ........................................................................................................ 25
3.10
SERIAL DATA ...................................................................................................... 27
3.10.1 UART 1 (RS232) - RD, TD, RTS, CTS, DTR, DCD, DSR and RI ........................ 29
3.10.2 Serial Data Signals - RD, TD ........................................................................... 29
3.10.3 Control Signals - RTS, CTS, DTR, DCD, RI, DSR............................................. 30
3.10.4 UART 2 - TD2, RD2........................................................................................ 32
3.10.5 UART 3 - TD3, RD3........................................................................................ 32
3.11
SIM CARD RELATED SIGNALS................................................................................. 33
3.11.1 SIM Detection – SIM Presence........................................................................ 34
3.12
SERVICE/PROGRAMMING ...................................................................................... 34
3.13
BUZZER .............................................................................................................. 35
3.14
LED .................................................................................................................. 35
3.15
TX_ON - BURST TRANSMISSION ............................................................................ 36
3.16
R EAL TIME CLOCK ............................................................................................... 36
3.17
EXTENDED IO CAPABILITIES ................................................................................... 37
3.17.1 LED/IO6......................................................................................................... 37
3.17.2 I#/O# ............................................................................................................. 37
GBBA/SEM/BMS 03:0001 Rev A
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