AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13D

EXHIBIT 1

AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13D

The undersigned, being duly authorized thereunto, hereby execute this agreement as an exhibit to this Schedule 13D to evidence the agreement of the below-named parties, in accordance with the rules promulgated pursuant to the Securities Exchange Act of 1934, to file this Schedule jointly on behalf of each such party.

Dated September 14, 2007

		NXP B.V.
		By:		/s/ Xxxxxxxx Xxxxxxxx Xxxxx Xxxxxxx
				Name:	Xxxxxxxx Xxxxxxxx Xxxxx Xxxxxxx
				Title:	Executive Vice President
		KASLION ACQUISITION B.V.
		By:		/s/ Xxxxxx Xxxxxxxx Xxxxx xxx Xxxxxx
				Name:	Xxxxxx Xxxxxxxx Xxxxx xxx Xxxxxx
				Title:	Director
		By:	/s/ Xxxxxxxx Xxxxxxxx xxx Xxxxxx
			Name:		Xxxxxxxx Xxxxxxxx xxx Xxxxxx
			Title:		Director

		KASLION HOLDING B.V
		By:	/s/ Xxxx Xxxxx Xxxxx Xxxxxxx
			Name:	Xxxx Xxxxx Xxxxx Xxxxxxx
			Title:	Director
		By:	/s/ Xxxxxxxx Xxxxxxxx xx Xxxx
			Name:	Xxxxxxxx Xxxxxxxx xx Xxxx
			Title:	Director
		KASLION S.À X.X.
		By:	/s/ Xxxxxxxx Xxxxx Xxxx
			Name:	Xxxxxxxx Xxxxx Xxxx
			Title:	Director
		By:	/s/ Xxxxxxx Xxxxxxxxx
			Name:	Xxxxxxx Xxxxxxxxx
			Title:	Director