20-151-0178 Datasheet
Contents
1. TN258 USB to RS 232 Converter Cables User s Guide The USB to RS 232 converter cable part number 20 151 0178 enables you to use Rabbit s serial pro gramming cable via a USB port on your laptop or PC There is a USB to RS 232 Converter Cable User s Manual on the miniCD included with the converter cable that describes the software installation wizard steps for the various Windows operating systems Insert the miniCD in your CD ROM drive open the User s Manual and locate the steps for the Windows operating system on your PC or laptop A setup wizard will appear when you connect the converter cable to the USB port on your PC or laptop Note that the drivers may install automatically if you have already used another USB device in which case no setup wizard will appear With the board or RabbitCore module assembled as described in their Getting Started instructions connect the DB9 serial connector on the programming cable to the male DB9 connector on the converter cable and start Dynamic C e Determine which COM port was assigned to the USB programming port On your laptop or PC open Control Panel gt System gt Hardware gt Device Manager gt Ports and identify which COM port is used for the USB connection In Dynamic C select Options gt Project Options then select this COM port on the Communications tab then click OK You may type the COM port number followed by Enter on your computer keyboard if the COM port number is out2. or later installer program that you just downloaded Remember to exit the installer when it is done 4 Plug the USB to RS 232 converter cable back into the PC or laptop USB port 5 Now compile and run the program Rabbit A Digi International Brand www rabbit com 022 0129 Rev B 2 Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery amp Lifecycle Information Rabbit Semiconductor 20 151 0178
3. side the range on the dropdown menu e Using Options gt Project Options select Use USB to Serial Converter under the Communications tab Click OK If you purchased your USB to RS 232 converter cable after September 2007 there is an additional step if you are using the converter cable with boards and RabbitCore modules based on the Rabbit 2000 and Rabbit 3000 microprocessors with Dynamic C v 9 52 or earlier e Using Options gt Project Options uncheck Enable Processor verification under the Communications tab Click OK This step should correct the target communication error No Rabbit Processor Detected If Dynamic C still reports a target communication error such as No Rabbit Processor Detected when you attempt to compile and run a program it is likely that the wrong USB drivers were installed This tends to happen with Windows XP especially when you have a network connection 022 0129 Rev B 1 from which the setup wizard could inadvertently select the wrong drivers automatically Follow these steps to install drivers that will work Unplug the USB to RS 232 converter cable from the PC or laptop USB port 2 Download FTDI s driver installer program at www ftdichip com Drivers CDM CDM 202 02 04 exe If this driver is no longer available FTDI s latest driver installer executable should always be available via a link from their Web page at www ftdichip com Drivers VCP htm 3 Run the CDM 2 02 04 exe
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