disable pio0_1

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disable pio0_1

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marcosriolo
Contributor I

I need to use PIO0_1 as input, how I can disable the function program when reset. If this pin low (0) the LPC enter in mode programer, I want that PIO0_1 low, the LPC enter in normal mode, not in programer mode.

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kerryzhou
NXP TechSupport
NXP TechSupport

Hi Marcos riolo,

    Please tell me your LPC chip's part number.

   Waiting for your reply!


Have a great day,
Kerry

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marcosriolo
Contributor I

LPC1114FBD48/303,1

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kerryzhou
NXP TechSupport
NXP TechSupport

Hi Marcos,

     Thank you for your detail information.

     If you want to disable the PIO0_1 ISP function, just configure the CRP mode as NO_ISP by writing data 0x4E69 7370 to flash address 0x0000 02FC.

    You can find this description in the user manual Table 372. Code Read Protection options.

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Wish it helps you!

If you still have question, please contact me!


Have a great day,
Kerry

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