STM32MP157FAA1 DDR HARDWARE

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Welcome,

why for STM32MP157FAA1 at "STM32MP1 Series DDR memory routing guidelines examples" there is no terminating resistors?

STM32MP15 lines

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PatrickFBest answer

ST Employee

Hi @JBalc.1

The example STM32MP15XXAA_1DDR3Lx16 target DDR3L x16 where termination resistors are optional (single memory, addresses/commands are point to point, short wires).

Regards

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OlivierK

ST Technical Moderator

Hi JBalc.1 (Community Member)

More on this topic:

https://community.st.com/s/article/FAQ-STM32MP1-What-ST-offers-to-make-a-PCB-design-that-ensures-signal-integrity

Altium table length (provided in Altium projects) gives also the length to terminating resistor.

I hope this clarifies.

Rgds,

Olivier

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