Config PTIL_PTIL1 as input

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Config PTIL_PTIL1 as input

688 次查看
nxp14
Contributor I

I need help with the config of PortL by the 12ZVCA192 with 48 Pins

I will use the PTIL_PTIL1 as normal digital input. but it dosent work. i have always a low on this pin.

This input detec a resistor. it is set, the pins is on low. with out it shuod detec a high over intern pullup

but nothing chance when i switch the Polaity select from Pulldown to pullup in CodeWarrior Hardware selektion

i set it to digital Input

what can i do ?

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644 次查看
dianabatrlova
NXP TechSupport
NXP TechSupport

Hello,

I would like to recommend to look at the section "2.5.5 Open Input Detection on PL[1:0] (HVI)" and "Figure 2-36. Digital Input Read with Pullup Enabled" in RM rev 12.1. Also, please, check if registers are correctly set.

I hope it helps.

Best regards,

Diana

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