MK10DN512xxx Slow Start

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MK10DN512xxx Slow Start

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simonmachell
Contributor I
I have PCB with this part I designed in 2012 using CW for MCU V11 and Processor Expert. The external Xtal is 6.144MHz and the PLL boosts to 98.304MHz. The original code had a for() loop timer that was needed before calling MCU_Init() and any other code. If not the CPU did not always start properly (except it always ran fine with JTAG J-Link and IDE). The last time we built the boards was 2013. Now 8 years later we just built some more. Now I find that I need to double the for() loop timer to get the CPU to start reliably. Anyone else seen this issue?
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jingpan
NXP TechSupport
NXP TechSupport

Hi Simon,

Can you give more detail about the problem, like the clock configuration, hardware and what the problem looks like?

 

Regards,

Jing

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