FC1002_MII 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.
Signal Interface
| Name | Direction | Width | Remarks |
|---|---|---|---|
| Sys/Common | |||
| Clk | in | 1 | 100 MHz |
| Reset | in | 1 | Active high |
| UseDHCP | in | 1 | '1' to use DHCP |
| IP_Addr | in | 32 | IP address if not using DHCP |
| IP_Ok | out | 1 | DHCP ready |
| MAC/MII | |||
| MII_REF_CLK_25M | out | 1 | MII continous 25 MHz reference clock |
| MII_RST_N | out | 1 | Phy reset, active low |
| MII_COL | in | 1 | Collision detect |
| MII_CRS | in | 1 | Carrier sense |
| MII_RX_CLK | in | 1 | Receive clock |
| MII_CRS_DV | in | 1 | Receive data valid |
| MII_RXD | in | 4 | Receive data |
| MII_RXERR | in | 1 | Receive error |
| MII_TX_CLK | in | 1 | Transmit clock |
| MII_TXEN | out | 1 | Transmit enable |
| MII_TXD | out | 4 | Transmit data |
| MII_MDC | out | 1 | Management clock |
| MII_MDIO | in/out | 1 | Management data |
| SPI/Boot Control | |||
| SPI_CSn | out | 1 | Chip select |
| SPI_SCK | out | 1 | Serial clock |
| SPI_MOSI | out | 1 | Master out slave in |
| SPI_MISO | in | 1 | Master in slave out |
| Logic Analyzer | |||
| LA0_TrigIn | in | 1 | Trigger input |
| LA0_Clk | in | 1 | Clock |
| LA0_TrigOut | out | 1 | Trigger out |
| LA0_Signals | in | 32 | Signals |
| LA0_SampleEn | in | 1 | Sample enable |
| TCP Basic Server | |||
| TCP0_Service | in | 16 | Service |
| TCP0_ServerPort | in | 16 | TCP local server port |
| TCP0_Connected | out | 1 | Client connected |
| TCP0_AllAcked | out | 1 | All outgoing data acked |
| TCP0_nTxFree | out | 16 | Number of free bytes in outgoing buffer |
| TCP0_nRxData | out | 16 | Number of bytes in receiving buffer |
| TCP0_TxData | in | 8 | Transmit data |
| TCP0_TxValid | in | 1 | Transmit data valid |
| TCP0_TxReady | out | 1 | Transmit data ready |
| TCP0_RxData | out | 8 | Receive data |
| TCP0_RxValid | out | 1 | Receive data valid |
| TCP0_RxReady | in | 1 | Receive data ready |
Downloads
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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_MII.vhd
Verilog Module: FC1002_MII.vh
Xilinx 7 Series Netlist: FC1002_MII.edn
Xilinx Spartan 6 Netlist: FC1002_MII.ngc