• I2C NACK Problem
    Using the Keil LPC 2129 EVB, I set up the I2C port in Slave Mode and talk to a master device on the bus. I notice that every 500 or so transfers, when the Keil EVB recieves: [SLA][W] it Nacks the byte...
  • USB device - SCSI commands receive NACK
    I write simple test programm (host mode, full speed) to work with USB Disk. In the begining this program do: - get descriptor form USB stick (with numbers of IN and OUT end-points in the device), ...
  • LPC2148, I2C dont send NACK
    Hi, My problem is I will communicat with the LPC2148 per I2C bus, the lpc2148 is only used on slave transmitt/receive modes. The datastream which is send to the lpc2148 is: first byte is a function...
  • LPC11C got stuck after NACK CAN msg
    I have two LPC11C14 connected via can bus, terminated by 120Ohm on both ends. I also connected Logic Analyzer to scan CAN bus. I was able to send one message over the bus, without acknowledging the message...
  • USB
    Hi, We are starting use USB. In Initiallly, finit(U0:) returns the error, 1 (IO Error. IO/driver initialization failed, or there is no media, or media initialization failed. ) any body can help...