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Altera_Forum
Honored Contributor I
724 Views

Nios II+uClinux frambuffer in single SDRAM

Hi All, 

 

I am intending to run uclinux on NIOS 2/f on cyclone 3 fpga. I have one SDRAM 32MB connected to the cyclone 3.  

The system is connected to CCD sensor, I would like video to be streamed to another computer via ethernet. 

 

I have seen couple of IP camera design solutions that use 2 SDRAMs (1 for ucLinux, 1 for frame buffer). I woundn't want this approach as I have space and IO constraints to go with 2 SDRAMs on the board. 

 

Would it be possible to run both uclinux (nios 2) and frame buffer on the same SDRAM? 

 

Highly Appreciate any pointers. 

 

Thank you
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1 Reply
Altera_Forum
Honored Contributor I
38 Views

Hi, 

 

 

--- Quote Start ---  

 

Would it be possible to run both uclinux (nios 2) and frame buffer on the same SDRAM? 

 

--- Quote End ---  

 

 

Maybe, it's possible. But please be careful about the bus bandwidth. Also you may need a special frame buffer driver.  

 

Kazu
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