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VDD_PU_CAP of the i.MX6DL

Question asked by Tomokazu Miyazaki on Feb 1, 2016
Latest reply on Feb 2, 2016 by Yuri Muhin

Hello all,

 

I'm verifying my i.MX6DL custom board that running Android ICS(4.0.4).

I have some questions about the VDD_PU_CAP.

(1) I measured the VDD_PU_CAP. Sometimes, that was drop to approximately 0.2V. Is this correctly?

Operating range of the VDD_PU_CAP is between 1.15V and 1.225V according to the Datasheet (IMX6SDLCEC.pdf : Rev 5).

(2) It looks like overvoltage has occurred when it returns to the normal voltage. Is this cause the software?

(I attached two waveforms.)

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