7.2 New Features

Firmware V1.28 adds new features to the previous V1.18.3 release. The following new features are listed below. Refer to the latest user guide, available at www.microchip.com/RN4870, and www.microchip.com/RN4871 for details about new commands:

• S_,xx command sets the beacon intervals defined by IB, NB commands. G_ returns the beacon interval. The beacon interval parameter xx is expressed in dd ms. This is a new feature for 1.28.2.
• I2C peripheral commands to control and exercise the I2C in Master modes.
• SPI peripheral commands to control and exercise the SPI peripheral in Master and Slave modes.
• Data Length Extension (DLE) feature support increases the Bluetooth LE packet PDU length and provides higher throughput. The DLE feature can be optionally disabled using "SR,0010" command.
• LE Secure Connections feature support provides additional security during pairing against passive eavesdropping during pairing process.
• Added "GP" command to return the pin code set by the "SP" command.
• Added "SF,2" command to invoke a hard factory default which clears private services and any script.
• "CI" command used to start GATT client operation returns AOK.
• "SF,1" and "SF,2" serializes the Bluetooth name.
• The Command Mode Guard feature allows the device to stay in the data mode when the data stream contains default "$$$" command mode sequence, or the configured command mode character. The feature is enabled by issuing "SR,0008" command.