[uClinux-dev] External memory layout

Daniel Chicco dani_chicco at hotmail.com
Thu Jun 28 09:43:46 EDT 2007


Hi All,
 
First, sorry for my poor English writing skills.
I´m new in uClinux and I´m designing a CPU board with an ARM processor (NXP LPC2468 for more details) to run uClinux. 
I´m chossing the memory layout for external memories and initially I selected an SDRAM memory to run uClinux kernel code and a serial flash to store kernel (that is copied to SDRAM at boot), applications and data (1 MB of data aproximatelly). Is this schema a good choice to run uClinux?
Another doubt is what are the tradeoffs of choose between an external memory data bus of 16 bit wide and 32 bits wide?, independently of memory prices of course.
 
Thanks.
 
Daniel.
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