3 MODULE INTERFACES
3.2 Pin Deî™˝nition
Pin Number Symbol I/O Type Function
1 RST I/O Reset pin
2 ADC AI ADC
(1)
, which
corresponds to PB
3 of IC
3 EN I Enabling pin,
which needs to be
connected to the
voltage of 3.3 V
when normally
used, and
corresponds to
CHIP_EN of IC
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