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TM4C1230H6PM: encoders

Part Number: TM4C1230H6PM


        Two KNOB encoders are connected, encoder 1 is connected to D4, D5(port initializes as input double edge trigger) , and using normal, encoder 2 is connected to E4, E5(port initializes as input double edge trigger) , when rotating encoder 2, the microcontroller will reset. Thought is the port initialization question, after does not initialize the entire port, generally turns the Encoder 2 to appear the Monolithic Integrated Circuit Reset, after the e 4 Pin disconnects does not have the monolithic integrated circuit reset question, after I change the encoder pin to d 0, D 7, initialization for the input double edge trigger, so that the rotary encoder will not make the mcu reset, but found that the two feet have been low level, to 3.3 v can not pull up, so can not read the encoder level. Then change the encoder pin to D1, D2, the same initialization as above, can read

the encoder level, can be used,show as attachement picture

thanks in advance