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PDF MD231G Data sheet ( Hoja de datos )
| Número de pieza | MD231G | |
| Descripción | GSM/GPRS module | |
| Fabricantes | CMT | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MD231G (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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MD231G SPECIFICATION
1
1 page  
1 Introduction
This document describes the hardware interface of the MD231G GSM/GPRS module
which can be integrated with a wide range of applications. This document can help you
quickly understand MD231G interface specifications, electrical and mechanical details.
With the help of this document and other MD231G application notes, user guide, you can
use MD231G module to design and set-up mobile applications quickly.
1.1. Related documents
[1] GSM 07.07:
[2] GSM 07.05:
[3] GSM 11.14:
[4] GSM 11.11:
[5] GSM 03.38:
[6] GSM 11.10
[7] GSM 07.10
[8] GSM 07.10 V7.1.0
[9] GSM 07.07 V7.5.0
[10] CMT 11092011
[11] CMT 02102012
[12] CMT 09102006
Digital cellular telecommunications (Phase 2+); AT
command set for GSM Mobile Equipment (ME)
Digital cellular telecommunications (Phase 2+); Use of
Data Terminal Equipment – Data Circuit terminating
Equipment (DTE –DCE) interface for Short Message
Service (SMS) and Cell Broadcast Service (CBS)
Digital cellular telecommunications system (Phase 2+);
Specification of the SIM Application Toolkit for the
Subscriber Identity Module –Mobile Equipment (SIM –
ME) interface
Digital cellular telecommunications system (Phase 2+);
Specification of the Subscriber Identity Module –
Mobile Equipment (SIM – ME) interface
Digital cellular telecommunications system (Phase 2+);
Alphabets and language-specific information
Digital cellular telecommunications system (Phase 2)；
Mobile Station (MS) conformance specification； Part
1: Conformance specification
Digital Cellular telecommunications system (Phase
2+); Terminal Equipment to Mobile Station multiplexer
protocol, verion 7.2.0 Release 1998
Digital cellular telecommunications system (Phase
2+);Terminal Equipment to Mobile Station
(TE-MS)multiplexer protocol
AT command set for GSM Mobile Equipment
OPENAT_MD231G_V3.2.0_USER_MANUAL_EN
MD231G_AT_DOCUMENT_20120210
CMT Wirless Phone feature
5
5 Page 
68
URXD2
69
GND
70
ANT_GSM
71
GND
72
PWR_KEY
73
ADC4
74
YP
75
XP
76
XM
77
YM
78
VBACKUP
79
VBAT
80
VBAT
81
UART2 receive data GPIO23
Ground
Antenna of GSM
Ground
PWR key
Auxiliarey ADC
input
Touch panel Y-asis
poisitive input
Touch panel X-asis
poisitive input
Touch panel X-asis
negative input
Touch panel Y-asis
negative input
Voltage of RTC
Power supply of
Battery
Power supply of
Battery
MCCLK
82
SD serial
clock/memory
stick serial clock GPIO30
MCDA0
83
SD serial data
IO/memory stick
serial clock
GPIO31
MCCM0
84
MCINS
85
EINT0
86
SD serial command
output/memory
stick serial clock GPIO32
SD card detect
input
External
intrrupt0
GPIO29
GPIO66
SPI_MISO
87
SPI_SCK
88
SPI_CS
Data singal from
slave output to
master input
GPIO19
Bit serial clock GPIO20
Low-active chip
select singal
GPIOI22
Notice: 1.DVVDD(2.7V-2.9V) 2.DVDD33_MSDC(3.0V-3.6V)
11
LSCE0B0
U1RTS
EINT5
EDIDAT
LPTE1
LRSTB
DAIRST
3. AVDD28_ABB (2.7V-2.9V)
PD
PD
PD
PD
PD
PD
PD
PD
PD
DVDD28
AVDD28_ABB
AVDD28_ABB
AVDD28_ABB
AVDD28_ABB
DVDD33_MSDC
DVDD33_MSDC
DVDD33_MSDC
DVDD18_EMI
DVDD28
DVDD28
DVDD28
DVDD28
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MD231G.PDF ] | |
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