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Altera_Forum
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13 years ago

Failed to program flash

Hello everyone, Sorry about my poor english, i've developped a FPGA board which has a SST39VF6401B (Microchip flash), i'm using SOPC to configure the FPGA. I use Nios II to program flash (only ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Hi Cris72,

I'm using Nios II IDE, and Nios Programmer to program the Flash. When i configure the flash with on-chip memory. The software work fine but when i change it to SDRam (share 16 bit data and address with Flash), it can't worked!

Is there any declaration or add something on hardware that i'm missing? or is there problem on shared bus?

Please help me!