FC1002_RMII contains functions for remote flash programming, TCP communication and a logic analyzer for debugging. All this in a single easy to use core.
The TCP interface is a standard AXI Stream interface with status signals.
Flash programming is done with FPGA Programmer.
The core is available for Xilinx 7 Series. An example project is available for Nexys 4 DDR Board.

FC1002_RMII Ethernet FPGA core

Signal Interface

Clkin1100 MHz
Resetin1Active high
UseDHCPin1'1' to use DHCP
IP_Addrin32IP address if not using DHCP
IP_Okout1DHCP ready
RMII_CLK_50Mout1RMII continous 50 MHz reference clock
RMII_RST_Nout1Phy reset, active low
RMII_CRS_DVin1Carrier sense/Receive data valid
RMII_RXD0in1Receive data bit 0
RMII_RXD1in1Receive data bit 1
RMII_RXERRin1Receive error, optional
RMII_TXENout1Transmit enable
RMII_TXD0out1Transmit data bit 0
RMII_TXD1out1Transmit data bit 1
RMII_MDCout1Management clock
RMII_MDIOin/out1Management data
SPI/Boot Control
SPI_CSnout1Chip select
SPI_SCKout1Serial clock
SPI_MOSIout1Master out slave in
SPI_MISOin1Master in slave out
Logic Analyzer
LA0_TrigInin1Trigger input
LA0_TrigOutout1Trigger out
LA0_SampleEnin1Sample enable
TCP Basic Server
TCP0_ServerPortin16TCP local server port
TCP0_Connectedout1Client connected
TCP0_AllAckedout1All outgoing data acked
TCP0_nTxFreeout16Number of free bytes in outgoing buffer
TCP0_nRxDataout16Number of bytes in receiving buffer
TCP0_TxDatain8Transmit data
TCP0_TxValidin1Transmit data valid
TCP0_TxReadyout1Transmit data ready
TCP0_RxDataout8Receive data
TCP0_RxValidout1Receive data valid
TCP0_RxReadyin1Receive data ready


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This HDL code and netlists are only free to use for non - commercial users and for evaluation purpose. Commercial use needs a commercial license.
The HDL code and netlists are distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

VHDL Component: FC1002_RMII.vhd
Verilog Module: FC1002_RMII.vh
Xilinx 7 Series Netlist: FC1002_RMII.edn
Xilinx Spartan 6 Netlist: FC1002_RMII.ngc

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