Wavecom WMOi3 User Manual

January 2001/ version 1.4
WMOi3 Integrated Modem
confidential ©
20/61
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Pin # Name I/O I/O type Description Comment
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
29 CT108-2/DTR I RS232 interface
Data Terminal Ready
Pull up to VCC
(3)
with 100KΩ when
not used
30 CT105/RTS I RS232 interface
Request To Send
Pull up to VCC
(3)
with 100KΩ when
not used
31 COL3 I/O 1X Keypad column
32 COL4 I/O 1X Keypad column
33 COL1 I/O 1X Keypad column
34 COL2 I/O 1X Keypad column
35 ROW4 I/O 1X Keypad row
36 COL0 I/O 1X Keypad column
37 ROW2 I/O 1X Keypad row
38 ROW3 I/O 1X Keypad row
39 ROW0 I/O 1X Keypad row
40 ROW1 I/O 1X Keypad row
41 GND
(1)
NC
(2)
GROUND
(1)
No Connected
(2)
High current
42 SPI_EN O 1X SPI enable
43 SPI_IO I/O 1X I
2
C Data or SPI Data
44 SPI_CLK O 1X I
2
C Clock or SPI Clock
45 SIMCLK O 2X Clock for SIM Interface 3V mode
46 SIMRST O 2X Reset for SIM interface 3V mode
47 SIMVCC O SIM card supply 3V mode
6mA max
48 SIMPRES1 I SIM card detect Connected to SIM
connector pin 8.
Pin 4 of SIM
connector must be
pulled down to
GND with 1 KΩ*
49 SIMDATA I/O 3X I/O for SIM interface 3V mode
50 GND
(1)
,
GPO0
(2)**
See (1) and (2) High current
(1)
for engineering sample
(2)
for production unit.
(3)
VCC = application digital power supply either 5V or 2.8V
*see SIM socket diagram 4.3 SIM interface
** GPO0 is a general purpose output for selection of external SIM 3V or 5V

Wavecom WMOi3 Specifications

General

Brand	Wavecom
Model	WMOi3
Category	Modem
Language	English