après un peu plus de recherche (je pense de plus en plus que je vais m'en acheter un ^^)
1.10.4 Display Data Channel (DDC)
The I2C compatible DDC interface can be used either to access external devices with a serial interface EEPROM or
to interface with a host CPU. It is capable of master and slave operation. The DDC interface is I2C Standard Mode
compliant. For timing parameters consult the I2C standard.
The DDC Interface supports serial communication with u-blox wireless modules. See the specification of
the applicable wireless module to confirm compatibility.
The maximum bandwidth is 100kbit/s.
1.10.4.1 External serial EEPROM
NEO-6 modules allow an optional external serial EEPROM to be connected to the DDC interface. This can be
used to store Configurations permanently.
For more information see the LEA-6/NEO-6/MAX-6 Hardware Integration Manual [1].
Use caution when implementing since forward compatibility is not guaranteed.
Rien n'est indiqué concernant l'adresse, peu être sur l'etiquette du NEO-6M-0-001