Patent ID: 8127065

Claim:
A storage card comprising: a DIN ISO7816 interface with eight contact elements, a storage card controller, being connected to at least a subset of said contact elements, a storage memory device, being connected to said storage card controller, a switching unit, that is connected to said storage card controller and to at least one of said contact elements of said interface, and wherein said storage card controller is connected to said switching unit to controllably select at least one contact element, in response to a received bit sequence indicative of at least one contact element to be selected and a data exchange protocol to be used for the selected contact element where the data exchange protocol is selected from a list comprising a single wire interface, a SigIn-SigOut-Connection, a Universal Serial Bus differential data signal, and an RF antenna, to reconfigure the selected at least one contact element for use with a different interface configuration following start-up in ISO7816 communication protocol.