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This command is used to request the FPGA firmware version. This function is not able to return directly 4 bytes representing the FPGA firmware version. The procedure requested is the following:

  1. SET_INTERRUPT on MB_I2C_ADDRESS requesting I2C_BYTES
  2. I2C_WRITE with MB_Command FX22MB_REG0_GETVERSION at byte 7
  3. GET_INTERRUPT