Mar 3, 2003 #1 D dd2001 Full Member level 4 Joined Apr 14, 2002 Messages 236 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,298 Activity points 1,912 royalties for 8051 Hi, I want to use 8051 soft core with my design and sell it, anyone knows that do I have to pay royalties to Intel?
royalties for 8051 Hi, I want to use 8051 soft core with my design and sell it, anyone knows that do I have to pay royalties to Intel?
Mar 4, 2003 #2 S sunjimmy Full Member level 2 Joined Jan 10, 2003 Messages 128 Helped 9 Reputation 18 Reaction score 7 Trophy points 1,298 Activity points 1,027 Hi, As i know, the 8051 patent granted by intel had been expired last year. So it should be OK now. Hope it helps : )
Hi, As i know, the 8051 patent granted by intel had been expired last year. So it should be OK now. Hope it helps : )
Mar 4, 2003 #3 N Nobody Full Member level 3 Joined Oct 4, 2001 Messages 164 Helped 9 Reputation 16 Reaction score 7 Trophy points 1,298 Location Formosa Activity points 1,593 Watch out the 8051 Watch-dog timer patent . It seem Dallas still hold it . Two local company drop it from datasheet here .
Watch out the 8051 Watch-dog timer patent . It seem Dallas still hold it . Two local company drop it from datasheet here .
Mar 4, 2003 #4 H hock Advanced Member level 2 Joined May 28, 2001 Messages 524 Helped 47 Reputation 94 Reaction score 21 Trophy points 1,298 Location India Activity points 3,567 i think the royalty clause will be mentioned in you software (vhdl code) agreement provided by your supplier. Hock
i think the royalty clause will be mentioned in you software (vhdl code) agreement provided by your supplier. Hock
Mar 5, 2003 #5 Ansunamu Advanced Member level 4 Joined Oct 19, 2001 Messages 115 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,296 Activity points 845 Should be no problem if you want to write 8051 core There area lots of IC provider sell the 8051 IP so the patient should be not an issue anymore
Should be no problem if you want to write 8051 core There area lots of IC provider sell the 8051 IP so the patient should be not an issue anymore
Mar 13, 2003 #6 V vsop Member level 2 Joined Aug 24, 2001 Messages 52 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Location east Activity points 513 As I know, Intel still hold the patent on 8051's I/O port structure, but that on micro-code was expired. As long as you do not make use of the same I/O port structure, it should be no patent issue.
As I know, Intel still hold the patent on 8051's I/O port structure, but that on micro-code was expired. As long as you do not make use of the same I/O port structure, it should be no patent issue.