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UDE Hardware FAQ

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  •  
    		•  The communication to the target goes down often. The UAD is used via USB interface.

    The USB communication seems to be instable ..


  •  
    		•  Within UDE I can't select my network attached UAD, but a direct connection using the IP address is ok.

    This behavior may occur if the Universal Debug Engine (UDE) has not received the identification broadcast from the network connected UAD2+ or UAD3+.


  •  
    		•  My UAD2+ or UAD3+ doesn't work if it is connected over Ethernet.

    If there are several connection losts or unexpected behavior, please check the following points...


  •  
    		•  After Update to Windows 7 my UAD2 does not work anymore.

    What can I do?


  •  
    		•  How can I compute the exact ASC baudrate of a C16x/ST10, XC16x or a TriCore microcontroller?

    Please use the following sheet and set the frequency of the microcontroller's clock and the baudrate or vary the other values:


  •  
    		•  How can I compute the maximum baudrate of the ASC interface between Access Device and my C16x/ST10 target?

    Please use the following sheet:


  •  
    		•  When connected to UAD2+ or UAD3 via network the connection seems to be down for some seconds.

    This occurs even when the access device is directly connected to the host PC. What could be the reason?


  •  
    		•  While launching the Universal Debug Engine (UDE), the connection to the target system cannot be established.

    What may be the reasons? General mistakes ...


  •  
    		•  While launching the Universal Debug Engine (UDE), the connection to the Universal Access Device (UAD) cannot be established.

    What may be the reasons ?


  •  
    		•  The Universal Access Device (UAD) seems to work slowly if it is connected via parallel port. What is wrong ?

    The best transfer performance between the Host PC and the target can only be achieved if the parallel port interrupt IRQx is usable and the port mode is EPP ...


  •  
    		•  I have problems with the simultaneous usage of a dongle on the same parallel port as the Universal Access Device. Why ?

    The usage of a dongle and the Universal Access Device at the same time on the same parallel port is not possible, because in some cases the simultaneous usage of the dongle disturbs the communication to the Universal Access Device.


  •  
    		•  I want use the Trace Board with TriCore OCDS L2, ARM ETM or Nexus. How can I update the UAD Trace Board ?

    The Trace Board must be calibrated for using the right Trace Pod ...



  •  
    		•  Do I have to attend the electrostatic loading and ground potential differences ?

    Yes. Electrostatic Discharge (ESD) can damage a sensitive electronic component ...



  •  
    		•  What is the right power connector polarity to the Universal Access Device ?

    The right polarity of the power connector of UAD, UAD2 and UAD2+is shown below ...


  •  
    		•  How can I determine the serial numbers of the used communication devices?

    Serial number of Universal Access Device ...


  •  
    		•  After installation of Windows XP Service Pack 2 the Universal Access Device (UAD) cannot be used via IEEE1394 (FireWire®). What can I do?

    After installation of Windows XP Service Pack 2 following scenario can be observed after connection Universal Access Device (UAD) to the IEEE1394 (Firewire®) bus ...


  •  
    		•  The target and the Universal Access Device 2 UAD2 are powered on and connected, but the UAD2 is not found. What can I do?

    This happens when UAD2 is connected to a target with power (via JTAG) while the UAD2 is not powered ...


  •  
    		•  The Universal Access Device 2 UAD2 is enumerated at the USB2 Host interface only with Fullspeed (12Mbps). How can I get Highspeed (480Mbps)?

    Please unplug and replug USB-cable to UAD2 while UAD2 is powered on ...


  •  
    		•  What are the differences between UAD2 and UAD2+?

    The UAD2+ and the UAD2 devices originate from the same hardware access device family ...


  •  
    		•  I have problems with the simultaneous usage of a dongle on the same parallel port as the Universal Access Device. Why ?

    The usage of a dongle and the Universal Access Device at the same time on the same parallel port is not possible, because in some cases the simultaneous usage of the dongle disturbs the communication to the Universal Access Device ...


  •  
    		•  How can I update the UAD Trace Board ? What do I have to attend if I use 40-pin and 60-pin trace pods ?

    To connect the OCDS L2 Trace Board with the target hardware a set of Trace Pods is available ...


  •  
    		•  UAD or UAD2+, connected via IEEE1394b (FireWire®) 800Mbit/s host adapter, will not work properly under Windows XP SP2. Is therefore a solution available?

    Symptoms ...


     
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