Design Challenges: Avoiding the Pitfalls, winning the game - Xilinx

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CONNECTIVITY PCB PCB XCITE Technology Reduces Cost with Simplified PCB Routing IC1 IC2 Resistor IC1 IC2 No Resistor • Improved Signal Integrity through Easier Board Layout – Reduces number of layers/vias that signal has to travel – Puts termination right at the driver source age compensation; puts the termination inside the buffer circuitry where it belongs; and saves board space and cost by eliminating hundreds of discrete resistors. Figure 3 shows the simplified board layout and signal trace paths using both conventional and Xilinx XCITE DCI termination technology. Power Plane Integrity Power and ground planes are important to maintaining signal integrity in FPGA designs. To maintain the characteristic impedance (Zo) across the frequency range of interest, reference planes for single-ended signals should be very low impedance. Otherwise, the result is impedance discontinuities, causing jitter due to reflections. In addition, noisy power and ground planes affect circuit performance on the die, causing additional jitter. It is important to design packages with continuous power and ground planes to minimize impedance. Conventional XCITE Technology Figure 3 – Xilinx XCITE technology reduces cost through simplified PCB routing. Uncertainties Phase Shift Data Valid Window (
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Xcell Issue 54 Third Quarter 2005 j
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EDITOR IN CHIEF Carlis Collins edit
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THIRD QUARTER 2005, ISSUE 54 Xcell
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Hardware Said ... The design flow s
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The second idea is to have the hard
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and automatic module generation wil
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Designing Control Circuits for High
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Figure 2 - Implementing an FSM in S
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Let’s consider these challenges i
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demonstrated by Dr. Howard Johnson,
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Pblocks can direct the flow of the
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Virtex-4 beats competing FPGAs in e
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In addition, you may also use techn
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Using Precision Sythesis, Block Mul
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14-Bit, 125Msps ADC Only 395mW Lowe
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Non-Symmetric Aspect Ratios/FWFT Ap
Page 33 and 34: QWERTY Building Blocks Our solution
Page 35 and 36: FPGA-Based Video Games Implementing
Page 37 and 38: The Atari 2600 Video Computer Syste
Page 39 and 40: The architecture wizards inside ISE
Page 41 and 42: Smart Telematics Systems from Xilin
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Page 48 and 49: POWER MANAGEMENT Design Techniques
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Page 56 and 57: POWER MANAGEMENT Merging CPLD Featu
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Page 67 and 68: Tool Example Electrical Simulations
Page 69 and 70: y Bill Hargin Product Manager, Hype
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Page 77 and 78: The Virtex-4 ML450 Development Boar
Page 79 and 80: CONNECTIVITY Bridging System Packet
Page 81 and 82: put stream of SPI-4.2 data. A progr
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Page 95 and 96: Figure 1 - Period constraint in Syn
Page 97 and 98: DEBUGGING Using the actual constrai
Page 99 and 100: Bus Triggering and Display Traditio
Page 101 and 102: Designer Challenges for Pb-Free and
Page 103 and 104: A Shortcut to Effective Hierarchica
Page 105 and 106: Xilinx Education Services: Knowledg
Page 107 and 108: BIDIR_PAD(7.0) BIDIR this course, w
Page 109 and 110: Xesium Global Clocking • 500MHz D
Page 111 and 112: Xilinx Virtex-4 FPGAs www.xilinx.co
Page 113 and 114: Xilinx CPLD www.xilinx.com/devices/
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