Smart Module Series
SC690A_Series_Hardware_Design 22 / 105
2.5. Pin Description
The following table shows the DC characteristics and pin descriptions.
Table 5: I/O Parameters Definition
Table 6: Pin Description
Keep all RESERVED and unused pins open.
Type
Description
AI
Analog Input
AO
Analog Output
AIO
Analog Input/Output
DI
Digital Input
DO
Digital Output
DIO
Digital Input/Output
OD
Open Drain
PI
Power Input
PO
Power Output
PIO
Power Input/Output
PU
Pull Up
PD
Pull Down
Power Supply
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
VBAT
36, 37, 38 PIO
Power supply for
the module
Vmax = 4.4 V
Vmin = 3.55 V
Vnom = 3.8 V
It must be able to
provide sufficient
current up to 3.0
A.
