Sierra Wireless AIRPRIME WISMO218 - Manual (Page 43)

WA_DEV_W218_PTS_002 Rev 006 April 29, 2010 43
Product Technical Specification &
Customer Design Guidelines Interfaces
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
3.7.2. 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