Chapter 3: Electrical and Environmental Specifications
May 31, 2008
Module Hardware Description
37
Table 3-3: Host Interface Specifications
Pin #
Signal
Name
Description I/O
Active
H/L
Internal
PU/PD Parameter Conditions
Level
Min
Typ
Max Units
Power:
1
GND
Ground
2
3
4
5
VCC
DC power
supply
I
V
IN
I
MAX
I
OFF
VCC = 3.6 V
3.3
3.6
4.2
V
6
190
250
mA
7
10
100
µA
8
Control:
27
VREF
Reference
regulator out-
put
O
V
OUT
I
OUT
< 100mA
2.7
2.8
2.9
V
16
WKUPI_N W24 wakeup
input
I
L
15K PU
V
IH
V
IL
2.0
-0.3
0
3.15
0.8
V
26
WKUPO_
N
Host wakeup
output
O
L
15K PU
V
OH
V
OL
I
OUT
< 8 mA
2.75
0.4
V
25
RESET_N
W24 Ready
indication
output
O
L
15K PU
V
OH
V
OL
I
OUT
< 8 mA
2.75
0.4
V
53
ON_N
On/Off switch I
L
100K
PU
V
OH
V
OL
2
0.4
V
51
IGN
Ignition input
I
H
80K PD
V
IH
V
IL
V
39
TXEN_N
Transmit indi-
cator
O
L
15K PU
V
OH
V
OL
I
OUT
< 8 mA
2.75
0.4
V
41
ANT_DET Antenna pres-
ence indicator
O
H
15K PU
V
OH
V
OL
I
OUT
< 8 mA
2.75
0.4
V
49
GPRS
GPRS/
EGPRS cov-
erage indica-
tor
O
L
15K PU
V
OH
V
OL
I
OUT
< 8 mA
2.75
0.4
V
Summary of Contents for W24
Page 4: ......
Page 8: ...Table of Contents iv Module Hardware Description May 31 2008 ...
Page 28: ...Regulatory Approvals 6 Module Hardware Description May 31 2008 ...
Page 56: ...Antenna Interface 34 Module Hardware Description May 31 2008 ...
Page 84: ...Index W W Index 2 Module Hardware Description May 31 2008 ...
Page 85: ......