Altera Arria GX Development Board Manual de usuario Pagina 34

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2–24 Reference Manual Altera Corporation
Arria GX Development Board October 2007
Standard Communication Ports
High-Speed Mezzanine Connector Interface
The high-speed mezzanine connector (HSMC) is an Altera-developed
specification, which allows users to expand the functionality of the
development board through the addition of daughter cards (HSMC
cards).
The HSMC interface specification allows for up to eight transceiver
channels, a full SPI 4.2 interface (18 LVDS channels), and SMBus
management signals. The LVDS channels can be used for CMOS
signaling as well as LVDS. Due to limited transceiver resources, four
transceiver channels route to the HSMC interface.
f For more information about the Altera HSMC interface, refer to the
HSMC specifications on the Altera website, www.altera.com.
Table 2–23 lists the HSMC interface component reference and
manufacturing information.
PCIE_PERSTn Fundamental reset LVTTL out
PCIE_REFCLKp
PCIE_REFCLKn
Reference clock input REFCLK in
12V Power
3.3V Power
3.3VAUX Power
GND Ground
Table 2–22. PCIe Edge Connector Pin-Out (Part 2 of 2)
Schematic Signal Name Description Signal Type
Table 2–23. HSMC Interface Component Reference and Manufacturing Information
Board
Reference
Description Manufacturer
Manufacturer Part
Number
Manufacturer
Website
J2 High speed mezzanine
connector
Samtec ASP-122953-01 www.samtec.com
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