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PDF GR64 Data sheet ( Hoja de datos )
| Número de pieza | GR64 | |
| Descripción | Wireless CPU | |
| Fabricantes | Wavecom | |
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INTEGRATORS MANUAL
GR64 GSM/GPRS Wireless CPU
Reference: ???
Revision: ???
Date: 19/09/2006
1 page  
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2.7 PRODUCT MARKING ..................................................................................................20
3 Abbreviations ...................................................................................... 21
4 Mechanical Description ........................................................................ 24
4.1 INTERFACE DESCRIPTION...........................................................................................24
4.2 PHYSICAL DIMENSIONS ..............................................................................................26
5 System Connector Interface.................................................................. 28
5.1 OVERVIEW..................................................................................................................28
5.2 DEALING WITH UNUSED PINS .....................................................................................31
5.3 GENERAL ELECTRICAL AND LOGICAL CHARACTERISTICS............................................33
5.3.1 LEVEL TRANSLATOR INTERFACES .......................................................................34
5.4 GROUNDS ..................................................................................................................35
5.4.1 ANALOGUE GROUND (AREF)...............................................................................36
5.4.2 COMMON GROUND (GND)..................................................................................36
5.5 REGULATED POWER SUPPLY INPUT (VCC) ...................................................................37
5.6 VOLTAGE REFERENCE (VREF)......................................................................................39
5.6.1 VREF AS AN OUTPUT FROM THE WIRELESS CPU ..................................................40
5.6.2 VREF AS AN INPUT TO THE WIRELESS CPU ..........................................................41
5.7 BATTERY CHARGING INPUT (CHG_IN).........................................................................41
5.7.1 CHARGING PROCESS ..........................................................................................43
5.7.2 SERIES DIODE .....................................................................................................44
5.7.3 BATTERY SELECTION ..........................................................................................44
5.8 POWERING THE WIRELESS CPU ON AND OFF (ON/OFF) ...............................................47
5.8.1 TURNING THE WIRELESS CPU ON ........................................................................47
5.8.2 TURNING THE WIRELESS CPU OFF.......................................................................49
5.9 ANALOGUE AUDIO .....................................................................................................51
5.9.1 AUXILIARY AUDIO TO WIRELESS CPU (AUXI)........................................................52
5.9.2 AUXILIARY AUDIO FROM WIRELESS CPU (AUXO)..................................................53
5.9.3 MICROPHONE SIGNALS (MICIP, MICIN)................................................................54
5.9.4 SPEAKER SIGNALS (EARP, EARN) .........................................................................55
5.10 PCM DIGITAL AUDIO (SSP)......................................................................................56
GR64 Integrators Manual
Page: 5/104
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without prior written agreement.
Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à des tiers sans son autorisation préalable
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2.2 Wireless CPU in a Communication System
Figure 1 and Figure 2 illustrate the main blocks of a wireless communication system
using the Wireless CPU. Figure 1 shows the communication system when the script is
embedded on the Wireless CPU and Figure 2 shows the communication system when a
micro-controller is used. They also show the communication principles of the system
and the interface between the Wireless CPU and the application. The definitions in the
figures, as used elsewhere in this manual, are in accordance with the
recommendations of 3GPP TS 27.007.
The MS represents the Wireless CPU and SIM card. The Wireless CPU excluding SIM
card, is known as the ME.
The DTE (data terminal equipment) is the controlling application. This can be either an
external host or an internal embedded application.
The DCE (data circuit terminating equipment) is the serial communication interface of
the MS.
MS
SIM
DC
POWER
SIM GSM
NETWORK
GGSSMM
EENNGGININEE
DDCCEE
STATUS &
RESPONSE EMBEDDED
APPLICATION
DDTTEE
COMMAND
& CONTROL
Figure 1: Main Blocks in a Wireless System (embedded application)
GR64 Integrators Manual
Page: 11/104
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without prior written agreement.
Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à des tiers sans son autorisation préalable
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet GR64.PDF ] | |
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