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Question about auto-refresh cmd issued from DM368 DDR2 Controller.

g.f.
Guru 15520 points


Hi,

I have a question about DM368 DDR2 Controller.

I understood that DDR2 Controller of DM368 is compliant with the JESD79-2A.

In JESD79-2A, 2 or more autorefresh are required at DDR2 initialization sequence.

My question is how many times does DDR2 Controller issue the autorefresh at DDR2 initialization?

best regards,

g.f.