Registers – Records – Conductive
Reexamination Certificate
2005-04-26
2005-04-26
Le, Thien M. (Department: 2876)
Registers
Records
Conductive
C235S441000
Reexamination Certificate
active
06883715
ABSTRACT:
A multi-mode IC is provided for operating in a first mode such as an ISO mode in accordance with International Standards Organization 7816 (ISO 7816) protocol, and a second, non-ISO mode, such as a USB mode in accordance with Universal Serial Bus (USB) protocol. The multi-mode IC is preferably in a smart card and includes a microprocessor and an external interface. The external interface comprises a voltage supply pad, a ground pad, a first set of pads for the first mode, and 2 second set of pads for the second mode. The first set of pads preferably include a reset pad, a clock pad and an input/output pad in accordance with the ISO 7816 protocol, and may also include a variable supply voltage pad in accordance with the ISO 7816 protocol. The IC further includes a mode configuration circuit for detecting a mode condition on one pad of the first set of pads, and configuring the IC in the ISO mode or the non-ISO mode depending on the result. Once the IC is configured in a particular mode, it will operate in only that mode until the next power-on reset sequence.
REFERENCES:
patent: 5847372 (1998-12-01), Kreft
patent: 6101477 (2000-08-01), Hohle et al.
patent: 6151647 (2000-11-01), Sarat
patent: 6168077 (2001-01-01), Gray et al.
patent: 6199128 (2001-03-01), Sarat
patent: 6439464 (2002-08-01), Fruhauf et al.
patent: 20030206547 (2003-11-01), Cho
patent: 9949415 (1999-09-01), None
Fruhauf Serge F.
Leydier Robert Antoine
Pomet Alain Christophe
Jorgenson Lisa K.
Regan Christopher F.
Schlumberger Malco Inc.
STMicroelectronics Inc.
LandOfFree
Multi-mode smart card, system and associated methods does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Multi-mode smart card, system and associated methods, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-mode smart card, system and associated methods will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3391312