Single chip microcomputer line selection method to store impression (address range) method + Example

Method ：

Pin from 2.7 To write 0.0, See whether the connecting line in the figure is a group or a
Special requirements for the selection of films should be set according to the middle of the question 0 still 1, Those without hardware connection are 0
The data port can be 0 It can be for 1, There are two cases
If you have any P0 The interface is connected to another single-chip microcomputer 07-0 It is also a data port , ditto .

Illustrate with examples ：

(1) Monolithic memory ：

(2) Dual chip memory

(3) Multi chip memory

Wrote last ： Methods summarized only for yourself , If there is any mistake, please criticize and point out .