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U-MULTILINK-FX Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc

Part No. U-MULTILINK-FX
Description  Introduction
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Maker  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
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USB Multilink Universal & USB Multilink Universal FX - Technical Summary
3
Driver Installation
Before connecting the Multilink to the PC, the appropriate drivers need to be installed on the PC. The Multilink drivers are
supported on Windows XP, 2000, 2003, Vista, and 7. These drivers are automatically installed when installing Freescale’s
CodeWarrior or any of P&E’s recent software development packages. If you have installed a recent version of these then the
instructions for manual installation that follow are not necessary. However, Windows 7 users who are installing software
distributed before December 28, 2009 will need to obtain the latest version of the drivers and install them manually. A copy of
the driver installation program may be downloaded from the “Downloads” section of P&E’s “Support Center” located at http://
www.pemicro.com. If you are using third-party software, make sure you have a version which supports your specific interface
(Universal/FX). Once you have obtained the latest version of the driver installation program, please use the instructions below to
manually install the drivers.
When the cable is plugged in, the operating system should indicate that it has found a driver for the attached interface. Follow
the instructions in the “Found New Hardware Wizard” dialog for having Windows automatically install the driver.
If you connected the Multilink interface prior to installing the drivers, Windows will not have been able to find the appropriate
driver and may have disabled the device. If you unplug the device and then plug it in again, Windows will automatically disable
it even if you have installed the drivers. To force Windows to attempt to load the driver again, perform the following steps while
the Multilink interface is plugged into the computer:
1. Open the Control Panel: Start Button [ ->Settings ] ->Control Panel. (You will not need to select “Settings” on Vista and Win-
dows 7).
2. Double Click the “System” Icon. (Windows 7: “System and Security”)
3. Select the “Hardware” Tab. (Windows 7: “Hardware and Sound”, Windows Vista: skip this step)
4. Click the “Device Manager” Button. (Windows 7: “Devices and Printers -> Device Manager”)
5. The “USB Multilink 2.0” device will be shown with an exclamation point next to it. Double-click this device.
6. Click the “Reinstall Driver…” button and follow the dialog instructions to have Windows automatically install the driver. (Win-
dows 7: First click the “Driver” tab, then select “Update Driver...”)
7. If the hardware still has a yellow exclamation mark next to it, right click on it and select uninstall. The USB Multilink should
disappear from the list. Unplug the USB Multilink and then plug it into the PC again. A new Hardware Found dialog will pop
up; follow the dialog instructions and have Windows automatically install the driver.
4
Connecting To The Target
The following is the proper connection sequence to connect the PC to the target system via the Multilink interface:
1. Make sure the target power is OFF and the USB Multilink Universal or Universal FX is not connected to either the target or
the PC
2. Open the Multilink and connect a ribbon cable from the correct Multilink port to the target. Make sure that the ribbon cable
is plugged into the target with the proper orientation. PIN 1 is indicated by a 1 next to the port.
3. Connect the Multilink to the PC via a USB cable. The Blue LED on the Multilink should illuminate.
4. Turn the target power on. The Yellow LED on the Multilink should illuminate.
Before disconnecting the setup, turn the target power off.
5
Troubleshooting - Startup Reset Sequence
Note that if the Multilink does not enter debug mode, the program issues the error message “Cannot enter background mode.” If
you receive this message you should check your hardware with a scope, logic analyzer or logic probe. First check for power on,
then check to make sure the processor oscillator is running. Finally, look for the startup sequence for your microprocessor that
is listed below.
Port A – JTAG/ONCE – Qorivva MPC5xxx, Power Architecture PX Series, DSC
a. RESET (Pin-9) is driven low (to processor).
b. Activity appears on TCK (Pin-5), TDI (Pin-1) and TDO (Pin-3). (PC software instructs the processor to
enable debug mode).
c. RESET (Pin-9) is released by the interface and will go high.
d. Activity appears on TCK (Pin-5), TDI (Pin-1) and TDO (Pin-3). (Debug activity).
Ports B, F, G – ARM JTAG - Kinetis
a. RESET is driven low (to processor).
b. Activity appears on TCK, TDI and TDO (PC software instructs the processor to enable debug mode).
c. RESET is released by the interface and will go high.
d. Activity appears on TCK , TDI and TDO (Debug activity).




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