T4240 data rate ratios

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T4240 data rate ratios

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davidcchung
NXP Employee
NXP Employee

Why can I not set all the DDR data rate ratios that the reference manual says are supported by the RCW “MEM_PLL_RAT” field bits 10-15?

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Saul_Salazar
NXP Employee
NXP Employee

There is a footnote in the T4240 reference manual that states “Not all ratios are supported due to frequency restrictions. Refer to the hardware specifications for the supported frequencies."


Hope it helps

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addiyi
NXP Employee
NXP Employee

Do you try to use QCVS? Or what is your scenario?

Adrian

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