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| − | =='''Introduction'''==
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| − | *Platform Cable USB (Figure 1) is a high-performance download cable attaching to user hardware for the purpose of programming or configuring any of the following Xilinx devices:
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| − | • ISP Configuration PROMs
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| − | • CPLDs
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| − | • FPGAs
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| − | *Platform Cable USB attaches to the USB port on a desktop or laptop PC with an off-the-shelf Hi-Speed USB A-B cable. It derives all operating power from the hub port controller. No external power supply is required. A sustained slaveserial FPGA configuration transfer rate of 24 Mb/s is possible in a Hi-Speed USB environment. Actual transfer rates can vary if bandwidth of the hub is being shared with
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| − | other USB peripheral devices.
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| − | *Device configuration and programming operations using Platform Cable USB are supported by iMPACT download software using Boundary-Scan (IEEE 1149.1 / IEEE 1532), slave-serial mode, or serial peripheral interface (SPI). Platform Cable USB supports indirect (via an FPGA IEEE 1149.1 [JTAG] port) programming of select flash memories including the Platform Flash XL configuration and storage device. Target clock speeds are selectable from 750 kHz to 24 MHz.
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| − | *Platform Cable USB attaches to target systems using a 14-conductor ribbon cable designed for high-bandwidth data transfers. An optional adapter that allows attachment of a flying lead set is included for backward compatibility with target systems that do not use the ribbon cable connector.
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| − | "Note": The next generation, Platform Cable USB II, is now available. Please refer to the DS593, Platform Cable USB II, for details.
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