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3.3. Pin Description
Table 6: I/O Parameters Definition
Type
AI
AO
AIO
DI
DO
DIO
OD
PI
PO
PIO
Table 7: Pin Description
Power Supply
Pin
Pin Name
No.
VBAT_BB
1, 2
145,
VBAT_RF
146
LDO1_1V85
111
LDO2_1V8
125
SC200L_Series(Dual-band Wi-Fi)_Hardware_Design
Description
Analog Input
Analog Output
Analog Input/Output
Digital Input
Digital Output
Digital Input/Output
Open Drain
Power Input
Power Output
Power Input/Output
I/O
Description
Power supply for
module's
PIO
baseband part
Power supply for
module's RF
PI
part.
1.85 V output
PO
power supply
1.8 V output
PO
power supply
DC Characteristics
Vmax = 4.20 V
Vmin = 3.50 V
Vnom = 3.80 V
Vmax = 4.20 V
Vmin = 3.50 V
Vnom = 3.80 V
Vnom = 1.85 V
I
max = 100 mA
O
Vnom = 1.80 V
I
max = 200 mA
O
Smart Module Series
Comment
Provide them with
sufficient current of at
least 3 A.
It is suggested to add a
TVS diode for surge
protection.
Power supply for
external GPIO's pull-up
and level shift circuits.
I/O power supply for
sensor, camera, and
other external
devices.
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