User's Manual

7
Pin14
BRTS
P06
I
Send request as data (used to wake
up the module)
0: The host has data to send, the
module will wait to receive data
from the host
According to the data, the module
does not sleep at this time
1: The host has no data to send, or
after the host data is sent, it should
Set this signal line to 1
Pin15
IO07
P07
I/O
Common IO port
Pin16
TX
P16
O
Module serial port sender
Pin17
RX
P17
I
Module serial port sender