Wavecom WMOi3 User Manual

WMOi3 integrated Modem
confidential
©
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 exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.
6
The following table describes the electrical characteristics of the interface.
Some signals require particular connections and are specified in bold
characters.
Pin #
Pin #Pin #
Pin # Name
NameName
Name I/O
I/OI/O
I/O I/O type
I/O typeI/O type
I/O type Description
DescriptionDescription
Description Comment
CommentComment
Comment
1 GND GROUND High current
2 GND GROUND High current
3 +5V I Supply High current
4 +5V I Supply High current
5 CT109/DCD O CMOS/2X RS232-Data Carrier
Detect
6 GND GROUND High current
7 GPIO2 I/O CMOS/2X General Purpose I/O
8 SPK2N O Analog Speaker2 negative
output
9 CT125/RI O CMOS/2X RS232-Ring Indicator
10 SPK2P O Analog Speaker 2 positive
output
11 GPIO1 I/O CMOS/2X General Purpose I/O
12 SPK1P O Analog Speaker 1 positive
output
13 CT106/CTS O 1X RS232 interface Clear
To Send
14 SPK1N O Analog Speaker 1 negative
output
15 ON/~OFF I Power ON/OFF control
16 MIC2P I Analog Microphone 2 positive
input
17 AUXV0 I Analog Auxiliary ADC input
18 MIC2N I Analog Microphone 2 negative
input
19 ~RST
~RST~RST
~RST I Reset active low Open Collector
Open CollectorOpen Collector
Open Collector
20 MIC1P I Analog Microphone 1 positive
input
21 GND
GNDGND
GND I Ground
22 MIC1N I Analog Microphone 1 negative
input
23 BOOT
BOOTBOOT
BOOT I BOOT Open Collector
Open CollectorOpen Collector
Open Collector
24 GND GROUND High current
25 CT103/TX
CT103/TXCT103/TX
CT103/TX I RS232 interface -
Transmit
Pull up to VCC
Pull up to VCCPull up to VCC
Pull up to VCC
with 100K
with 100Kwith 100K
with 100KΩ
ΩΩ
Ω
when not used
when not usedwhen not used
when not used
26 GPIO0 I/O CMOS/2X General Purpose I/O
27 CT107/DSR O 1X RS232 interface
Data Set Ready
28 CT104/RX O 1X RS232 interface –
Receive

Wavecom WMOi3 Specifications

General

Brand	Wavecom
Model	WMOi3
Category	Modem
Language	English