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Optimizing FPGA Receiver Links Using Introspect ESP © Introspect Technology, 2013
Introduction to Introspect ESP Introspect ESP Software Host PC Real-time signal integrity analyzer for FPGA systems Rapid SerDes link bring-up and optimization Gbps Transceiver FPGA Introspect ESP Engine Introspect ESP Engine User Mission-Logic User Mission-Logic Gbps Transceiver Hard -IP © Introspect Technology, 20131
Simple UI for Signal-Integrity Engineers Quick-reference help for selected property Single command performs measurement and analysis on all activated lanes in parallel Enter any sequence of operations in this tab using a highly intuitive language Each defined component has a set of properties that can be manipulated in this tab © Introspect Technology, 20132
Shmoo Optimization Component Single Command Minimization Parameter is Total Jitter (TJ) Optimize over Rx Linear EQ & Rx DC Gain © Introspect Technology, 20133
Result Visualization Near Optimal Band Rx Linear EQ Rx DC Gain Sub-Optimal Regions © Introspect Technology, 20134
Channel-to-Channel Variation Near Optimal Band Near Optimal Band Optimal region for channel 4 is clearly shifted to the right compared to channel 2 © Introspect Technology, 20135
Numerical Analysis & Independent Variable Analysis … and find out best linear EQ for this gain Hold DC gain constant… © Introspect Technology, 20136
Performance After Optimization Same Scale BeforeAfter © Introspect Technology, 20137
Summary IESP allows for extremely efficient optimization of parallel receiver links Graphical visualization of optimization results allows for what-if analysis and debug Numerical analysis & return values allow for the creation of complex optimization criteria and automation © Introspect Technology, 20138
Introspect ESP for FPGA. Introduction to Introspect ESP Introspect ESP Software Host PC Real-time signal integrity analyzer for FPGA systems Rapid.
Introspect ESP for GHz Probe Cards. What is Introspect ESP? Introspect ESP Software Host PC Real-time signal integrity analyzer for FPGA systems Turns.
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