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Altera_Forum
Honored Contributor
9 years agoMarvell 88EE1111 PHY tranciever MDIO reg configuration
I'm trying to troubleshoot PHY for my dual Ethernet design on the DE2-115 Cyclone IV board. (I have to load my *.elf file twice for some reason for my design to work). In trying to figure ou...
Altera_Forum
Honored Contributor
8 years ago --- Quote Start --- Marvell is a very secretive company. They will not release full device data sheets without forcing you to sign an NDA, and they will in my experience never sign NDAs with individuals, only with companies that they expect to purchase reasonable dollar volumes of parts. Terasic made a HUGE blunder designing a Marvell part into their development board, because Marvell will NEVER release a full datasheet for their part. Only those folks designing fully proprietary hardware that they would not even consider releasing schematics for should consider using Marvell parts. Just my 2c. I used to work for a very big company in Silicon Valley and even we had to jump thru hoops to get detailed datasheets for Marvell parts. --- Quote End --- I'm not a fan of Marvell either and we did not use them on our own board. But, for whatever reason, many many devel boards use this Phy and you often have no choice but to get it working.