RF-Star EFR32BG22, Manual

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EFR32BG22
www.szrfstar.com V1.6 - Jun., 2022
Shenzhen RF-star Technology Co., Ltd.
Page 10 of 93
1.3 Working Mode Specification
The device supports four working modes as below:
1. BLE slave mode
2. BLE master mode
3. BLE master-slave mode
4. Beacon mode
The default role after power-on is the slave mode. The working mode can be switched through the AT command
" AT+ROLE ". Please check the AT Command in detail. In the Beacon mode, the serial port is turned off, and the working
mode only can be switched by sending commands through the mobile APP.
1.4 Default Configurations in Slave Mode
1. Device name: RFstar_XXXX (XXXX is the last two bytes of the MAC address).
2. Broadcast interval: 200 ms.
3. Connection interval: 20 ms.
4. 128-bit UUID
5. Broadcast mode: connectable
6. Device status: transparent transmission
1.5 Default Configuration in Beacon Mode
1. Company ID: 0x4C00 (Apple iBeacon).
2. Major UUID: 0x0708.
3. Minor UUID: 0x0506.
4. RSSI: -48 dBm.
5. UUID: 0x0112233445566778899AABBCCDDEEFF0.
In Beacon mode, the serial port is closed and unavailable, thus, the data cannot be transmitted transparently. if the
serial port is needed, pls try hardware wakeup and AT commands.