Electronic circuit for interconnecting a smartcard chip

A system of devices comprising:

• an electronic circuit for interconnecting a smartcard chip with a peripheral device having:
• a dedicated communication interface adapted to communicate with a smartcard chip according to a first communication protocol;
• a configurable communication interface, comprising a plurality of electrical contacts connectable to said peripheral device for communicating with said peripheral device according to a second communication protocol selectable among several communication protocols, and being configurable according to configuration settings among a group of configuration settings stored in a memory of said electronic circuit, wherein said configuration settings comprise an attribution of said electrical contacts, signal voltage levels applied on said electrical contacts, a communication protocol among said several communication protocols, and a conversion between the first communication protocol and the second communication protocol;
• a processing unit adapted to receive on said dedicated communication interface a request comprising configuration settings for configuring the configurable communication interface, adapted to set the configurations of the configurable communication interface with the peripheral device based on the received request by setting the attribution of said electrical contacts, the signal voltage levels applied on said electrical contacts, the second communication protocol to communicate on said electrical contacts, and the conversions between the first communication protocol and the second communication protocol;
• and
• the processing unit adapted for converting data exchanged between the peripheral device and the smartcard chip through the dedicated communication interface and the configurable communication interface using said set conversions;
• a peripheral connected to the configurable communication interface of the electronic circuit;
• a smartcard connected to the dedicated communication interface of the electronic circuit.

A smartcard comprising an electronic circuit a dedicated communication interface adapted to communicate with a smartcard chip;

• a configurable communication interface, comprising a plurality of electrical contacts connectable to said peripheral device for communicating with said peripheral device according to a second communication protocol selectable among several communication protocols, and being configurable according to configuration settings among a group of configuration settings stored in a memory of said electronic circuit, wherein said configuration settings comprise an attribution of said electrical contacts, signal voltage levels applied on said electrical contacts, a communication protocol among said several communication protocols, and a conversion between the first communication protocol and the second communication protocol;
• a processing unit adapted to receive on said dedicated communication interface a request comprising configuration settings for configuring the configurable communication interface, adapted to set the configurations of the configurable communication interface based on the received request by setting the attribution of said electrical contacts, the signal voltage levels applied on said electrical contacts, the second communication protocol to communicate on said electrical contacts, and the conversions between the first communication protocol and the second communication protocol;
• the processing unit further adapted for converting data exchanged between the peripheral device and the smartcard chip through the dedicated communication interface and the configurable communication interface using said set conversions;
• and
• an embedded peripheral connected to the configurable communication interface and a smartcard chip connected to the dedicated communication interface.