Pin description, Table 9, Electrical characteristics of sim interface – Sierra Wireless WISMO218 User Manual
Page 45: Table 10, Sim interface pin description
WA_DEV_W218_PTS_002
Rev 005
Page 45 of 109
Product Technical Specification &
Customer Design Guidelines
Table 9.
Electrical Characteristics of SIM Interface
Parameter
Conditions
Minim.
Typ
Maxim.
Unit
SIM-IO V
IH
I
IH
= ± 20µA
0.7xVSIM
-
-
V
SIM-IO V
IL
I
IL
= 1mA
-
-
0.4
V
~SIM-RST, SIM-CLK
V
OH
Source current = 20µA
0.9xVSIM
-
-
V
SIM-IO V
OH
Source current = 20µA
0.8xVSIM
-
-
V
~SIM-RST, SIM-IO, SIM-
CLK
V
OL
Sink current =
-200µA
-
-
0.4
V
SIM-VCC Output Voltage
SIM-VCC = 2.9V
2.75
2.9
3.0
V
SIM-VCC = 1.8V
1.65
1.8
1.95
V
SIM-VCC current
full-power mode
-
-
20
mA
Sleep mode with 32kHz system
clock enabled.
-
-
3
mA
SIM-CLK Rise/Fall Time
Loaded with 30pF and ESD
protection diode
-
25
50
ns
~SIM-RST, Rise/Fall Time
Loaded with 30pF and ESD
protection diode
-
45
-
ns
SIM-IO Rise/Fall Time
Loaded with 30pF and ESD
protection diode
-
0.2
1
µs
SIM-CLK Frequency
Loaded with 30pF
-
-
3.25
MHz
Pin Description
Table 10. SIM Interface Pin Description
Signal
Pin
Number
I/O
I/O Type
Reset
State
Description
Multiplexed
with
SIM-CLK
9
O
2V9 / 1V8
0
SIM Clock
Not mux
~SIM-RST
11
O
2V9 / 1V8
0
SIM Reset
Not mux
SIM-IO
10
I/O
2V9 / 1V8
Pull up
SIM Data
Not mux
SIM-VCC
8
O
2V9 / 1V8
SIM Power Supply
Not mux