Management board for SPEC-A7

[gkasprow]

The management board has the following features:

• RJ45 Base10/100/1000 T Ethernet connector (DP83869HMRGZ); use low cost connector
• SFP 100/1000 Ethernet connector (PHY shared with RJ45)
• automatic detection between SFP/RJ45, using SFP present signal (needs PHY reconfiguration)
• ARM SOM capable of running Linux and 2x RGMII Ethernet (QSMP); one RGMII goes to PHY, another goes to SPEC-A7; don't forget about series termination
• ARM SOM capable of talking to FPGA console for WR node (re)configuration and monitoring
• ARM SOM capable of reconfiguring the FPGA
• must fit together with SPEC-A7 into F1040-160 Bopla enclosure; needs to be attached to SPEC-A7 using at least 3 screws and standoffs
• 4 layer PCB

Example configuration:

[gkasprow]

The CPU is connected in following way:

• RGMII 1 routed to PHY which is shared between RJ45 and SFP
• RGMII 2 routed to WR node connector
• UART is routed to WR node connector
• CPU supply is derived from 12V rail on WR node connector