User`s guide

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Introduction
Note VCC absolute max rating is -.03V and max 3.9V
Warning The assertion of the 3.3V supply voltage must be stable within 140 ms. If
the rise time is greater than specified, it could lead to the 3-1-3 diagnostic
error.
Operating Conditions
Symbol Description Min Typ Max Unit
V
CC
Supply Voltage 3.14 3.3 3.45 V
I
CC
Supply Current for
Digi Connect ME & EM
— — 270 mA
I
CC
Supply Current for
Digi Connect Wi-ME & Wi-EM
— — 400 mA
I
IL
Input Current as “0”
(57K pull-up resistor)
——
57
µA
I
IH
Input Current “1”
(57K pull-up resistor)
-10 — 10 µA
I
OZ
HighZ Leakage Current -10 — 10 µA
I
OD
Output Drive Strength — — 2 mA
C
IO
Pin Capacitance (V
O
=0) — — 4 pF
GPIO Inputs
Symbol Description Min Typ Max Unit
V
IH
Input High Voltage 2 — V
CC
+0.3 V
V
IL
Input Low Voltage V
SS
-0.3 — 0.2*V
CC
V