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Altera_Forum
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15 years ago

SSRAM (IS61LPS25636A)) on Cyclone III starter board

I am trying to read a bunch of data from SSRAM (IS61LPS25636A)) on Cyclone III, which is 256k*32 bit in size. However, from the board manual, there are 32 data bits, 21 address bit (should be 18 bits...
Altera_Forum's avatar
Altera_Forum
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15 years ago

I checked the values in the first several addresses, they are different

Here I attached new signals.

I put the values as FFFFFFFF, 05060708h,090A0B0Ch, 0D0E0F10h, 11121314h,....in the first addresses of the ssram memory. I still can not get the different values at the rising edge of clk_test. But it seems near to succeed.

I also checked and attached the pin assignment.

what's the flash disabled? I have no idea about this.