DRAM mux mapping to LPDDR2

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DRAM mux mapping to LPDDR2

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kbell_hardware
Contributor III

All,

I am having trouble getting the LPDDR2 SDRAM on my iMX6Q board to function. I used the pins shown in the the IMX6Q datasheet and the I/O Mux tool to define the pins. I just saw a table on page 3795 of the reference manual that talks about DRAM muxing for LPDDR2 pins being different than what is called out in the datasheet and I/O mux tool...........is this for real? Is there any way to get my board to work (other than hardware fixes) ?

Thanks,

Kevin

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aven_tsao
NXP Employee
NXP Employee

Sorry that the DDR3 and LPDDR2 pin mapping are different, and it can't be swap by SW setting. So fix it by HW modify is the only way.

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aven_tsao
NXP Employee
NXP Employee

Sorry that the DDR3 and LPDDR2 pin mapping are different, and it can't be swap by SW setting. So fix it by HW modify is the only way.

View solution in original post

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