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    • I/O with stm32f4 discovery

    Posted by raideath on 2017-03-09 10:04

    Hello,

    I have maybe a simple question, but i need an answer to be sure. (ps : sorry if my english is not verry good 😊)

    I own a stm32f4 Discovery,

    I noticed in the datasheet that there is about 49 free I/O. I would like to use about 70 I/O for my project. Do you think that it could create conflicts if I use so much while the others are initially planned for the microphone, led, accelerometer, etc.?

    Thank you 💡🎅

    Reads: 7672
    Posted by necib on 2017-03-09 10:47

    Good morning,
    In fact you can use all of them but you have to check jumper configuration, you cannot use LCD an CAN simultaneously.
    Watch the debug pin for st-link, unless you will not be able to flash you code.
    I hope it will help.
    Have a good day.