Data Sheet

2 Module interfaces
Pin number Symbol Pin type Function
15 TXD1 I/O UART1_TX, which
can also be used a
common I/O pin
and corresponds
to P9 of the IC chip
16 RXD1 I/O UART1_RX, which
can also be used a
common I/O pin
and corresponds to
P10 of the IC chip
17 P14 I/O ADC port, 12 bit/s,
which can also be
used as a common
I/O interface and
corresponds to
P14 of the IC chip
18 RESET_N I/O Reset pin (low
active),
correspond to
RESET_N of the IC
chip.
19 P17 I/O Common I/O
interface, which
corresponds to
P17 of the IC chip
20 P20 I/O Common I/O
interface, which
can be used as
MISO of the SPI
interface and
corresponds to
P20 of the IC chip
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