RF-Star EFR32BG22, Руководство пользователя

Страница: 22 / 94

EFR32BG22
www.szrfstar.com V1.6 - Jun., 2022
Shenzhen RF-star Technology Co., Ltd.
Page 21 of 93
in real time. See details in “Description of default broadcast data”.
13 PC05 I
Input status monitoring, the tatus will update in the broadcast packet
in real time. See details in “Description of default broadcast data”.
14 PA05 CTS
The module input signal (standard hardware flow control: Clear To
Send). When it is at a high level, the MCU serial port is busy, and the
module will not send data to the MCU serial port. When it is at a low
level, the module will send data to the MCU serial port.
Remark: It is best not to leave this pin floating, otherwise, the power
consumption will be higher and the serial port may work unstably.
15 PA06 RTS
The module output signal (standard hardware flow control: Require
To Send). When it is at a high level, the module serial port is busy,
and the MCU is not allowed to send data to the module serial port.
When it is at a low level, the MCU is allowed to send data to the
module serial port.
16 PC00/TX TX Serial port TX
17 PC01/RX RX Serial port RX
18 NC - NC