Data Sheet

2 MODULE INTERFACES
Pin number Symbol I/O type Function
0 SWS I/O Burning pin,
which
corresponds to
SWS (Pin 5) on
the internal IC
00 B5 I/O Support hardware
PWM and
correspond to B5
(Pin 15) on the
internal IC
8 B7 I/O GPIO, which
corresponds to B7
(Pin 17) on the
internal IC
9 RST I The enabling pin
and the EN pin
are connected
together and a
pull-up resistor is
connected to
them.
10 VCC P Power supply pin
of the module
(The typical
power supply
voltage: 3.3V)
11 B1 I/O which
corresponds to B1
(Pin 6) of the IC
12 GND P Power supply
reference ground
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