Bluetooth Ble; Connecting Ble Module - Elatec TWN4 MultiTech Nano Manual

8 Additional Hardware Requirements
Following SAM sockets are recommended:
• Molex 47388-2001
• Molex 47308-0001
Recommended schematic:

8.3 Bluetooth BLE

8.3.1 Connecting BLE Module

The firmware of the TWN4 Nano Module has direct support for the Silicon Labs BGM111, BGM121 and
BGM11S BLE module.
To use this feature, it is needed to connect following signals to the TWN4 Nano Module:
• COM2_TX-
• COM2_RX-
• GPIO7
The signals TDI, TDO, TMS and TCK are needed to do an initial programming of the BLE Module.
Please note:
In order to have BLE module with support by TWN4 Nano Module firmware, TWN4 must be purchased
with activated B Option. Otherwise, BLE functionality must be programmed from within the App. Please
contact your distributor for TWN4 Nano Module with B option.
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