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.
7
29
CT108-
CT108-
CT108-
CT108-
2/DTR
2/DTR
2/DTR
2/DTR
I
RS232 interface
Data Terminal Ready
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
30
CT105/RTS
CT105/RTS
CT105/RTS
CT105/RTS
I
RS232 interface
Request To Send
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
31
COL3
I/O
1X
Keyboard column
32
COL4
I/O
1X
Keyboard column
33
COL1
I/O
1X
Keyboard column
34
COL2
I/O
1X
Keyboard column
35
ROW4
I/O
1X
Keyboard row
36
COL0
I/O
1X
Keyboard column
37
ROW2
I/O
1X
Keyboard row
38
ROW3
I/O
1X
Keyboard row
39
ROW0
I/O
1X
Keyboard row
40
ROW1
I/O
1X
Keyboard row
41
GND
GROUND
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
SIMCLK
SIMCLK
SIMCLK
O
2X
Clock for SIM Interface
3V mode
3V mode
3V mode
3V mode
46
SIMRST
SIMRST
SIMRST
SIMRST
O
2X
Reset for SIM interface
3V mode
3V mode
3V mode
3V mode
47
SIMVCC
SIMVCC
SIMVCC
SIMVCC
O
SIM card supply
3V mode
3V mode
3V mode
3V mode
6mA
6mA
6mA
6mA max
max
max
max
48
SIMPRES1
SIMPRES1
SIMPRES1
SIMPRES1
I
SIM card detect
Connected to
Connected to
Connected to
Connected to
SIM connector
SIM connector
SIM connector
SIM connector
pin 8.
pin 8.
pin 8.
pin 8.
Pin 4 of SIM
Pin 4 of SIM
Pin 4 of SIM
Pin 4 of SIM
connector must
connector must
connector must
connector must
be pulled down
be pulled down
be pulled down
be pulled down
to GND with 1
to GND with 1
to GND with 1
to GND with 1
K
K
K
K
Ω
Ω
Ω
Ω
49
SIMDATA
SIMDATA
SIMDATA
SIMDATA
I/O
3X
I/O for SIM interface
3V mode
3V mode
3V mode
3V mode
50
GND
GROUND
High current
Nota : VCC could be either 3V or 5V.
Nota : VCC could be either 3V or 5V.
Nota : VCC could be either 3V or 5V.
Nota : VCC could be either 3V or 5V.
All digital I/O are CMOS 3V compatible.
Operating conditions
Parameter
I/O type
Min
Max
Condition
V
IL
CMOS
-0.5V
0.8V
V
IH
CMOS
2.1V
3.0V
1X
0.2V
I
OL
= -1 mA
2X
0.2V
I
OL
= -2 mA
V
OL
3X
0.2V
I
OL
= -3 mA
1X
2.6V
I
OH
= 1 mA
V
OH
2X
2.6V
I
OH
= 2 mA