(19)

(11)

EP 1 851 640 A2

(12)

(88) Date of publication A3: 23.11.2006 (43) Date of publication: 07.11.2007 Bulletin 2007/45 (21) Application number: 06727612.1 (22) Date of filing: 08.02.2006

(51) International Patent Classification (IPC):  G06F 13/38(2006.01) (86) International application number: PCT/IB2006/050414 (87) International publication number: WO 2006/085272 (17.08.2006 Gazette 2006/33)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 08.02.2005 US 651429 P (71) Applicant: NXP B.V. 5656 AG Eindhoven (NL)	(72) Inventors: EE, Lee, Chee NL-5621 BA Eindhoven (NL) NG, Chee, Yu NL-5621 BA Eindhoven (NL) (74) Representative: Röggla, Harald et al NXP Semiconductors Austria GmbH IP Department Gutheil-Schoder-Gasse 8-12 1101 Vienna 1101 Vienna (AT)