TIDEP0068 Reference Design

Texas Instruments

PCI Express PCB Design Considerations Reference Design for the K2G General Purpose EVM (GP EVM)

Description

PCI-Express provides for low pin-count: high reliability: and high-speed with data transfer at rates of up to 5.0 Gbps per lane: per direction: and an PCIe module is included on the TI 66AK2Gx DSP + ARM Processor system on chip (SoC).  This PCIe PCB design considerations reference design  helps developers optimize the printed circuit board (PCB) design by providing best-practice PCB for the PCIe portion of the 66AK2Gx Processor SoC.  This in turn enables developers achieve desired PCIe signal performance on the first PCB implementation pass: allowing rapid focus on K2G Processor based application development and test.  The 66AK2Gx General Purpose EVM (EVMK2G) is used as a reference to discuss some of these considerations.

Features
  • Optimized High Speed Signal RoutingSurface-Mount PCIe x1 SocketExample of AC Coupling Capacitor PlacementExample of Recommended Differential Pair Spacing
Applications
  • Oscilloscopes & digitizers
  • CPU (PLC Controller)
  • Train control & management
  • Battery cell formation & test equipment
  • Vision computer
  • Substation automation
Product Categories

Parts

Part Number Name Companion Part
CDCM6208 CDCM6208 Buy Datasheet
SN74LVC1G07 SN74LVC1G07 Buy Datasheet
SN74LVC1G08 SN74LVC1G08 Buy Datasheet

Bill Of Materials

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Schematic

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Test Data

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Other Documents

Title Updated Type Size (KB)
EVMK2G CAD Files 19 Apr 2016 ZIP 12389
EVMK2G Assembly Files 19 Apr 2016 ZIP 151
EVMK2G BOM 19 Apr 2016 PDF 117
EVMK2G Schematic and Block Diagram 19 Apr 2016 PDF 1530