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AM623: DDR4 DDR-MARGIN-FW

Part Number: AM623

Tool/software:

I would like to measure DDR4 margins using DDR-MARGIN-FW on a custom board with AM623 mounted.
https://www.ti.com/product/ja-jp/AM623#software-development

I think the measurement result will be output to UART0, but could you provide a program changed to UART1 (RXD: E19, TXD: A20)?
I think it is not possible to modify the user side program.
Also, DDR4 is mounted on different parts on the evaluation board, does this affect the execution of the program?

CPU: AM6234ATCGHAALW
FlashROM: MT25QL256ABA8ESF
 -256Mbit
 -Quad SPI