Arduino + laptop RAM
hi,
i know noob question ask anyway because not such noob.
i scavenging laptop dead processor not worth repair. there ram (probably ddr3) , don't have use it. question - may use arduino? know more memory arduino may hope utilize, refreshing may take of processor time , needs more pins uno has, morover voltage level shifting problem. wonder if possible ... somehow.
if ram works expect don't have use whole memory. can tie address pins ground reduce address space (and need address pins) read few (8?) data pins instead of (64?) of them. way need refresh small portion of ram , let unused part decay. memory expects hundreds of mhz. able operate @ arduino's 16 mhz (or less able bit banging)? if works how need refresh? there other problem may cause ram unusable arduino?
thanks hints.
i know noob question ask anyway because not such noob.
i scavenging laptop dead processor not worth repair. there ram (probably ddr3) , don't have use it. question - may use arduino? know more memory arduino may hope utilize, refreshing may take of processor time , needs more pins uno has, morover voltage level shifting problem. wonder if possible ... somehow.
if ram works expect don't have use whole memory. can tie address pins ground reduce address space (and need address pins) read few (8?) data pins instead of (64?) of them. way need refresh small portion of ram , let unused part decay. memory expects hundreds of mhz. able operate @ arduino's 16 mhz (or less able bit banging)? if works how need refresh? there other problem may cause ram unusable arduino?
thanks hints.
the fastest can access directly 8 mhz spi.transfer.
you may need set register/counters load address have easy way increment thru memory, , same data registers.
you may need set register/counters load address have easy way increment thru memory, , same data registers.
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