Keil forum bank switching to expand ROM in 89V51RD2

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bank switching to expand ROM in 89V51RD2

Rajat Kumar over 11 years ago

I have to expand 64K ROM by interfacing 32k external ROM's. Let me know how to do the mapping and bank switching and the procedure.

Thanks in Advance
Rajat Kumar

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0 Rajat Kumar over 11 years ago in reply to Andy Neil

I am using an external ROM of 256 K what will be the Keil target destination setting for 4 banks with
1) each having 32kcommon and bank code
2) bank 0 for common and bank 1 ,2 ,3 for bank code
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0 Rajat Kumar over 11 years ago in reply to Andy Neil

I am using an external ROM of 256 K what will be the Keil target destination setting for 4 banks with
1) each having 32kcommon and bank code
2) bank 0 for common and bank 1 ,2 ,3 for bank code
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Vote up 0 Vote down

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