Patent ID: 7562829

Claim:
A multi-mode integrated circuit device, comprising: a controller configured to operate in a first mode compliant with the International Standard Organization (ISO) specification ISO 7816 and a second mode different from ISO 7816 responsive to a mode selection signal; a first plurality of input/output pads associated with operations in the first mode; a second plurality of input/output pads associated with operations in the second mode, the second plurality of input/output pads including a first voltage input/output pad, a second voltage input/output pad and a data input/output pad configured for a cable connection to communicate with an external device; and a mode detector circuit coupled to at least one of the second plurality of input/output pads and configured to detect connection of the at least one of the second plurality of input/output pads to the external device and to activate the mode selection signal to select the second mode responsive to detection of connection of the at least one of the second plurality of input/output pads to the external device.