Data Sheet

2 MODULE INTERFACES
Pin number Symbol I/O type Function
11 TXD2 I/O UART2_TXD (used
to display the
module internal
information),
which
corresponds to P0
of the IC
12 CSN I/O Production test
control pin. Not
recommended for
use. High level by
default. Not
allowed to pull
down before
power on.
13 P8 I/O GPIOP_8, which
corresponds to P8
of the IC, PWM 2
14 P7 I/O GPIOP_7, which
corresponds to P7
of the IC, PWM 1
15 RXD1 I/O UART1_RXD (user
serial interface),
which
corresponds to
P10 of the IC
16 TXD1 I/O UART1_TXD (user
serial interface),
which
corresponds to
P11 of the IC
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