Recent content by maverick202

  1. M

    Relationship betwen sink current and ability to pull the line low

    Thanks Berkeman that's a great explanation. According to slave spec, max sink current is 3 mA. Wit 1.1K it should be 3.3mA. This explains the reason for not reaching ground. I should play with pullup resistors.
  2. M

    Relationship betwen sink current and ability to pull the line low

    Hi, I am trying to program an I2C interface and it's not working. The master is TI Cortex M3 processor and slave is ST Compass. I have captured the scope pictures and found that slave is not bringing the data line all the way to ground and this is violating I2C spec. I have sent the scope...