Data Sheet

2 Module interfaces
Pin number Symbol Type Function
14 PA4 I/O Reserved
full-interface UART
CTS signal, which
corresponds to Pin
29
15 RX I/O UART0_RXD,
receiving
interface, which is
connected to
UART_TX of the
external host
computer and
corresponds to PA
1 (Pin 26)
16 TX I/O UART0_TXD,
transmitting
interface, which is
connected to
UART_RX of the
external host
computer and
corresponds to PA
0 (Pin 25)
Note:
• P indicates a power supply pin and I/O indicates an input/output pin.
• nRST is only a reset pin of the module and cannot be used for clearing
Zigbee networking information.
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