dhakeparag81
Full Member level 2
I want interface RAM with pic18f87k22 for store data, more specifically i want declare variable in the address of external RAM. After reading bunch of forum i conclude that i have to interface RAM parallel, which is supported by this cpu and use extended mode.
(See attachment for clarification)
I am not able find specific documentation about it.
If you ave any document, link or sample code please attache.
I have found one pseudo code
can you plz explain.
(See attachment for clarification)
I am not able find specific documentation about it.
If you ave any document, link or sample code please attache.
I have found one pseudo code
Code:
#pragma romdata EXT_RAM_SECTION
rom int my_variable;
#pragma romdata
CODEPAGE NAME=extram START=0x100000 END=0x13FFFF PROTECTED
...
SECTION NAME=EXT_RAM_SECTION ROM=extram
can you plz explain.
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