1. K

    USB2244, USB is not detected .

    I am using USB2244 chip. I detected the following problem: There is 1.8V observed at pin 13 and 34 which should normally be the case (1µF capacitors are connected as according to the data sheet) , USB is not detected . I changed the pin13 capacitor (1uf to 1nf) and pin34 (1uf)., USB is detected...
  2. K

    USB2244 IC CARD POWER is never supplied AND USB PORT NOT DETECTING

    I have been trying to use the USB2244 on a board but i can't seem to get it working and I am not sure what the problem is. I have went over and over the datasheet but can't seem to figure out what i'm missing . I have attached my schematics, I have verified i have 3.3V, and also that the 1.8...
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