FPGA-based I/O module improves flexibility of JTAG embedded Instruments
May 04, 2012 // Julien Happich
Goepel electronic introduced ChipVORX Module, a special FPGA based I/O module product range controlled via a standard TAP enabling the opening of the entire ChipVORX eco system of test and programming IPs for external instrumentation.
The first ChipVORX module named FXT-X90 is based on a Xilinx FPGA, providing 90 I/O channels, whereby 72 are voltage programmable. Being equipped with transparent TAP, the module enables the cascading of several boards of the same or different types due to the daisy-chain principle. Various functions for universal frequency measurement, RAM test, and fast Flash programming or control customer-specific instruments are provided as ChipVORX IP. Among others, the module provides a separate clock generator. As another unique feature, the ChipVORX-IP does not require specific design synthesis, i.e. they are ideally suit for adaptive debugging. In addition to FPGA embedded instrument utilization, FXT-X90 can be applied as simple Boundary Scan I/O module with dynamic mode switch opportunity.
The new hardware modules are supported in all Scanflex Boundary Scan controllers as well as the integrated software platform System Cascon. User can comfortably integrate the FXT-X90 ChipVORX Module in a respective test object, generate all required test and programming vectors fully automatically, and if necessary interactively debug and visualize faults at pin and net level in the schematic. The usage of the ChipVORX-IP does neither require expert background knowledge nor specific FPGA tools or programmer. Prospectively, the ChipVORX I/O Module model range will be extended to additional Xilinx chips as well as further FPGA vendors.
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