[sdiy] dsPIC33 question..

Seb Francis seb at burnit.co.uk
Thu Nov 13 01:35:09 CET 2008


ASSI wrote:
> I don't know if you can get the dsPIC to to DMA via SPI, but if it can 
> do that an SPI SRAM would need much less I/O lines.  Unfortunaltely I 
> think 32kByte is the largest size you can get, so you will have to 
> gang them.
>
> http://www.modtronix.com/product_info.php?products_id=345
>
>   

This looks like a neat little SRAM chip.  And the dsPIC can use DMA for 
SPI.  But unfortunately 32kByte isn't going to be anywhere near enough 
for a decent delay time.  (Actually I think you can get PICs with 
32kByte of RAM built in anyway).

Seb






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