DC590B データシートの表示（PDF） - Linear Technology

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DC590B

USB SERIAL CONTROLLER

Linear Technology 

QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 590B

USB SERIAL CONTROLLER FOR LINEAR TECHNOLOGY QUICKEVAL™ DEMO BOARDS

TROUBLESHOOTING GUIDE

Problem: DC590B is plugged in, but QuickEval

screen still says “USB Serial Controller Not Con-

nected”

Solution: The most likely cause is improper instal-

lation of the USB drivers, which causes Windows

to recognize DC590 as an “Unknown Device.”

Open the Windows Control Panel, open “System”

and click the “Device manager” tab. Open the

“Other Devices” item and look for USB SERIAL

CONTROLLER. Select this item and click the re-

move button. Unplug DC590, Re-install the

QuickEval software, and follow the on-screen in-

structions.

Problem: Demo board software loads properly,

but will not run or gives “Device Not accessible”

errors.

Solution: Verify that the demo board is properly

powered up. This Quick Start Guide lists the basic

power connections to DC590. Some demo boards

may have additional requirements; refer to the

demo board’s Quick Start guide for details.

Problem: After connecting the demo board to

DC590 with the supplied 14 pin ribbon cable,

QuickEval software still displays “Evaluation Board

is not Connected.”

Solution: Contact Linear Technology Applications

Engineering.

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