User's Manual

FC20-N Series Hardware Design
FC20-N_Series_Hardware_Design Confidential / Released 30 /
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The following table shows the recommended operating conditions for FC20 series module.
Table 17: Recommended Operating Conditions
Parameter
Min.
Typ.
Max.
Unit
VDD_3V3
3.14
3.3
3.46
V
VIO
1.71
1.8
1.89
V
4.3. I/O Interface Characteristics
The following table shows the general DC electrical characteristics over recommended operating
conditions (unless otherwise specified).
Table 18: General DC Electrical Characteristics
Symbol
Parameter
Min.
Max.
Unit
V
IH
High Level Input Voltage
0.7*VIO
VIO+0.2
V
V
IL
Low Level Input Voltage
-0.3
0.3*VIO
V
V
OH
High Level Output Voltage
0.9*VIO
VIO
V
V
OL
Low Level Output Voltage
0
0.1*VIO
V
I
IL
Input Leakage Current
-5
5
uA
4.4. Current Consumption
The values of current consumption are shown as below.
Table 19: Current Consumption of the Module in Low Power Mode
Description
Conditions
I
WLAN_3V3
I
VIO
Unit
OFF State
AT+QWIFI=0
0
554
uA