Wavecom WMOi3, Руководство пользователя

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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 Name Name Name I/O I/O I/O I/O I/O type I/O type I/O type I/O type Description Description Description Description Comment Comment Comment 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 Collector Open Collector
Open Collector
20 MIC1P I Analog Microphone 1 positive
input
21 GND GND GND GND I Ground
22 MIC1N I Analog Microphone 1 negative
input
23 BOOT BOOT BOOT BOOT I BOOT Open Collector Open Collector Open Collector Open Collector
24 GND GROUND High current
25 CT103/TX CT103/TX CT103/TX CT103/TX I RS232 interface -
Transmit
Pull up to VCC Pull up to VCC Pull up to VCC Pull up to VCC
with 100K with 100K with 100K with 100K
Ω Ω Ω Ω
when not used when not used when 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