help for:how can I connect the 32Mbits OR 64Mbits DRAM to PIC
I want a largest and lowcost memory connect to PIC to save the data ,
so I select the 32Mbits OR 64Mbits DRAM.
what type or model DRAM can I select ?
How can I connect the DRAM to PIC direct only?
how can I control the DRAM with PIC?
how can I do  refresh the DRAM?