Mode switching USB / BLE

Address : 02C3 (bank 2, register C3)

Size : 1 byte

Default : 00


When the product is able to be either a USB device or a BLE device, this register defines the policy to arbitrate between both interfaces.


This register is ignored if either of the following conditions is met:

  • The product has no USB interface,

  • The product has no BLE interface,

  • The BLE interface operates in reader mode, not in device mode (see section “BLE device vs BLE reader/broadcaster mode” in BLE options for details).


Bit    Role Values
7-1 RFU
0 Rule when both USB and BLE are possible 0 : BLE connection takes priority over USB
1 : BLE connection is not allowed while USB is active