Data Sheet

2 MODULE INTERFACES
Pin number Symbol I/O type Function
16 RX1 I/O UART_RX1, which
is used for
receiving user
data and
corresponds to
P10 of the
internal IC
17 P28 I/O Common GPIO
18 CEN I/O Reset pin
19 P9 I/O Common GPIO
20 P17 I/O Common GPIO,
which can be
reused as
SPI_MISO
21 P15 I/O Common GPIO,
which can be
reused as SPI_CS
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