Sierra Wireless AirLink FX100, Руководство пользователя

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4112221 Rev 7.2 June 19, 2013 50
User Guide Signals and Indicators
Caution: This signal is for emergency resets only.
Table 37. FX Series Reset Status
(Serial
Port) Pin #
Signal I/O I/O Type Voltage Description
14 Reset I/O Open drain 1V8 FX Series Reset
Table 38. Reset Electrical Characteristics For FXT009
Parameter Minimum Typical Maximum Unit
Input Impedance (R)* 100.3 k
Ω
Input Impedance (C) 40 nF
* Internal pull-up
Table 39. Reset Electrical Characteristics for FX100
Parameter Minimum Typical Maximum Unit
Input Impedance (R)* 10 k
Ω
Input Impedance (C) 20 nF
* Internal pull-up
Table 40. Reset Operating Conditions
Parameter Minimum Typical Maximum Unit
~Reset time (Rt)
1
200 µs
~Reset time (Rt)
2
(at power up only) 20 40 100 ms
Cancellation time (Ct) 34 ms
V
H
* 0.57 V
V
IL
0 0.57 V
V
IH
1.33 V
* V
H
= Hysterisis Voltage
1: This reset time is the minimum to be carried out on the ~Reset signal when the power supply is stabilized.
2: This reset time is internally carried out by the embedded module power supply supervisor only when the
embedded module power supplies are powered ON.