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Hello everybody,
I’m a French student in electronics engineering. I’m trying to use the Ethernet MAC/PHY (LAN91C111 device) IP with Nios II but I have some problems with the pins assignments in Quartus II software (v9.0). My board is a stratix ii with ep2s60f1020c3 FPGA. Can you tell me why I can’t find the System Control Bus pins T20, T21, T25, T26 and V26 indicated in the stratix ii dsp development board reference manual when I use the pin planner of Quartus for ep2s60f1020c3 FPGA? Can you tell me what other pins assignments I could make for these pins? Thanks in advance. Cordially, Samson Bossé.Link Copied
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Don't trust Altera's documentation for the pins assignments, it seems to be wrong (it's not the first time, unfortunately).
Have a look at the schematics to find the correct pins instead. From what I'm seeing (I hope I found the correct schematic on the net), those are the correct assignments: [list][*]ENET_DATACS_N: AB24 instead of T20 [*]ENET_IOCHRDY: AB25 instead of V26 [*]ENET_LDEV_N: AA24 instead of T26 [*]ENET_SRDY_N: AA23 instead of T25 [*]ENET_W_R_N: AE27 instead of T21[/list] You should check all the other pins too, you never know what other mistakes they made in their documentation...- Mark as New
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--- Quote Start --- Don't trust Altera's documentation for the pins assignments, it seems to be wrong (it's not the first time, unfortunately). Have a look at the schematics to find the correct pins instead. From what I'm seeing (I hope I found the correct schematic on the net), those are the correct assignments:
- ENET_DATACS_N: AB24 instead of T20
- ENET_IOCHRDY: AB25 instead of V26
- ENET_LDEV_N: AA24 instead of T26
- ENET_SRDY_N: AA23 instead of T25
- ENET_W_R_N: AE27 instead of T21
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Have a look at this page (http://www.altera.com/products/devkits/altera/kit-dsp-2s60.html). If it is indeed your board on the picture, you'll find the schematics in the table 2 at the bottom of the page.
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