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Signal
Pin #
Name
Description I/O
Power:
1
2
GND
Ground
3
4
5
6
VCC
DC power
supply
7
8
Control:
VREF
Reference
27
regulator out-
put
WKUPI_N
W24 wakeup
16
input
WKUPO_
Host wakeup
26
N
output
RESET_N
W24 Ready
25
indication
output
ON_N
On/Off switch I
53
IGN
Ignition input
51
TXEN_N
Transmit indi-
39
cator
ANT_DET Antenna pres-
41
ence indicator
GPRS
GPRS/
49
EGPRS cov-
erage indica-
tor
May 31, 2008
Chapter 3: Electrical and Environmental Specifications
Table 3-3: Host Interface Specifications
Active
Internal
H/L
PU/PD Parameter Conditions
V
I
MAX
I
I
OFF
O
V
I
L
15K PU
V
V
O
L
15K PU
V
V
O
L
15K PU
V
V
L
100K
V
PU
V
I
H
80K PD
V
V
O
L
15K PU
V
V
O
H
15K PU
V
V
O
L
15K PU
V
V
Module Hardware Description
IN
VCC = 3.6 V
I
< 100mA
OUT
OUT
IH
IL
I
< 8 mA
OH
OUT
OL
I
< 8 mA
OH
OUT
OL
OH
OL
IH
IL
I
< 8 mA
OH
OUT
OL
I
< 8 mA
OH
OUT
OL
I
< 8 mA
OH
OUT
OL
Level
Min
Typ Max Units
3.3
3.6
4.2
V
190
250
mA
10
100
µA
2.7
2.8
2.9
V
2.0
3.15
V
-0.3
0
0.8
2.75
V
0.4
2.75
V
0.4
2
V
0.4
V
2.75
V
0.4
2.75
V
0.4
2.75
V
0.4
37
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