250-003 Digilent

Digilent JTAG-USB Cable Digilent JTAG-USB Cable Reference Manual Reference Manual www.digilentinc.com Revision: 6/17/10 215 E Main Suite D Pullman, WA 99163 (509) 334 6306 Voice and Fax Overview The Digilent JTAG-USB Cable provides a quick and inexpensive USB 2.0 programming solution for Digilent system boards. The cable works with any USB-equipped computer and attaches to system boards using a Digilent 6- pin JTAG header. The cable is ideal for notebook computers or any computer without a parallel port. Before the cable can be used on a given It can program any Xilinx device with a computer, it must be identified to the Adept minimum I/O voltage of 1.8V, at speeds up to software by adding its serial number or ten times faster than a JTAG3 (or parallel 3) alphanumeric ID string to the device table in cable. the Adept software. Every cable is given a unique serial number and default DCabUsb Features: ID string. The USB administrator tool in the Adept software can automatically identify a a Digilent 6-pin JTAG header newly attached cable and add it to the device speeds up to ten times faster than a table. Once the cable ID is in the device table, JTAG3 cable it can be used to configure Xilinx devices. free JTAG programming software available To download the Adept software and the compatibility with any USB port. Digilent Adept Reference Manual see www.digilentinc.com. Functional Description The cable provides an easy and inexpensive USB connection. For JTAG programming, the cables firmware drives the JTAG scan chain by transferring .bit or .svf files. Digilents Adept softwares Export program is needed for JTAG programming. Export automatically detects devices in the JTAG scan chain. For more information on using Export see the Digilent Adept Reference Manual. Both the cable and the Adept software are fully compatible with any Xilinx device on any circuit board. See the Digilent Adept Reference Manual for information on programming other devices. Doc: 500-053 page 1 of 1 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.