OP073 Opsero FPGA 夹层卡 扩展板 M2 M-KEY STACK FMC ADAPTER

　　deion

　　m.2 m-key stack fmc is an adapter that allows 2x m.2 m-key pcie modules to be connected to fpga and mpsoc based development boards. the adapter uses the fpga mezzanine card (fmc) form factor for connection with fpga and mpsoc development boards via the fmc connector. it has 2x m-key m.2 sockets and can carry m.2 m-key pcie modules of length 30mm and 42mm without extension, and 60mm, 80mm or 110mm with extension. each m.2 slot has its own independent connection to the fpga for maximum throughput and can support a 4-lane pcie connection up to gen4.

　　a key feature of the mezzanine card is it’s carrier-side fmc connector located on the side opposite to the m.2 module connectors (see bottom view below). this connector is a high pin count (hpc) fmc connector that is designed to mate with a second mezzanine (fmc) card. the fmc connectors are routed such that the second mezzanine card is provided all of the power and i/o signals from the fpga/mpsoc development board, with the exception of the multi-gigabit transceiver (mgt) lanes and clocks. the m.2 m-key stack fmc is able to drive the reset (perst_n) signals of the attached m.2 modules via an i2c i/o expander. read more about the opsero stack fmc concept in the detailed deion section.

　　? 李 进

　　? 深圳博瑞图电子科技有限公司

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