my project is used nrf51822 mcu, it contains SIM, when the mcu is reading SIM data, and at the same, I take out theSIM, and the 51822's pin which is link with SIM is can't control,the IO is unnormal.
hello，the P0.26 is data pin, the vcc control pin P0.22 is not work, and the data is also wrong. I don't know why the IO can't work correctly?
