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Is it OK to connect a memory which use address lines A22 and higher in CS4?

Latest Updated:12/22/2010

Question:

CS4 pin and A22 pin is multiplexed with the same pin, however, is it available to connect a memory (bigger than 8 MB) which uses address lines A22 and higher in CS4 space?

Answer:

As it is not available to use A22 address line in CS4 space, connect a memory which uses address lines A21 or lower.
Suitable Products
SH7266, SH7267
SH7262, SH7264