DDR Data line connection between i.MX 6SoloX and DDR Memory

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DDR Data line connection between i.MX 6SoloX and DDR Memory

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andy_kim
Contributor III

Hello,

 

When I check the reference schematic on AN5161,

DDR Data lines between i.MX 6SoloX and DDR Memory are not connected as below

Data0 to Data0, Data1 to Data1, .... Data31 to Data31.

 

Instead, the connection is complicated like

Data0 - Data16, Data1 - Data17,...

 

What is the reason of the DDR Data connection like that?

Can we connect them according to Data Number order as normal?

 

Thanks,

Andy

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1 Solution
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b45499
NXP TechSupport
NXP TechSupport

It will be OK.

Data transfer is a byte-byte transfer

View solution in original post

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b45499
NXP TechSupport
NXP TechSupport

It's will be OK, you can change the order in one byte.

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andy_kim
Contributor III

Dear 

Thanks for your prompt reply.

 

Is DDR operation OK even if DATA lines between i.MX and DDR memory are not connected in order while they are in one byte?

How i.MX and DDR find the right data lines respectively when data lines are connected out of order in one byte?

 

I am looking forward to seeing your reply.

Thanks,

Andy

 

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195 Views
b45499
NXP TechSupport
NXP TechSupport

It will be OK.

Data transfer is a byte-byte transfer

View solution in original post

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andy_kim
Contributor III

Dear

 

Thank you for your explanation

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b45499
NXP TechSupport
NXP TechSupport

You are welcome~~

Wish you have a nice day

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