Embedded Peripherals IP User Guide

ID 683130
Date 8/11/2025
Public
Document Table of Contents
1. Introduction 2. Avalon® -ST Single-Clock and Dual-Clock FIFO Cores 3. Avalon® -ST Serial Peripheral Interface Core 4. SPI Core 5. SPI Agent/JTAG to Avalon® Host Bridge Cores 6. Intel eSPI Agent Core 7. eSPI to LPC Bridge Core 8. Ethernet MDIO Core 9. Intel FPGA 16550 Compatible UART Core 10. UART Core 11. JTAG UART Core 12. Intel FPGA Avalon® Mailbox Core 13. Intel FPGA Avalon® Mutex Core 14. Intel FPGA Avalon® I2C (Host) Core 15. Intel FPGA I2C Agent to Avalon® -MM Host Bridge Core 16. Intel FPGA Avalon® Compact Flash Core 17. EPCS/EPCQA Serial Flash Controller Core 18. Intel FPGA Serial Flash Controller Core 19. Intel FPGA Serial Flash Controller II Core 20. Intel FPGA Generic QUAD SPI Controller Core 21. Intel FPGA Generic QUAD SPI Controller II Core 22. Interval Timer Core 23. Intel FPGA Avalon FIFO Memory Core 24. On-Chip Memory (RAM and ROM) Intel FPGA IP 25. On-Chip Memory II (RAM or ROM) Intel FPGA IP 26. Optrex 16207 LCD Controller Core 27. PIO Core 28. PLL Cores 29. DMA Controller Core 30. Modular Scatter-Gather DMA Core 31. Scatter-Gather DMA Controller Core 32. SDRAM Controller Core 33. Tri-State SDRAM Core 34. Video Sync Generator and Pixel Converter Cores 35. Intel FPGA Interrupt Latency Counter Core 36. Performance Counter Unit Core 37. Vectored Interrupt Controller Core 38. Avalon® -ST Data Pattern Generator and Checker Cores 39. Avalon® -ST Test Pattern Generator and Checker Cores 40. System ID Peripheral Core 41. Avalon® Packets to Transactions Converter Core 42. Avalon® -ST Multiplexer and Demultiplexer Cores 43. Avalon® -ST Bytes to Packets and Packets to Bytes Converter IP 44. Avalon® -ST Delay Core 45. Avalon® -ST Round Robin Scheduler Core 46. Avalon® -ST Splitter Core 47. Avalon® -MM DDR Memory Half Rate Bridge Core 48. Intel FPGA GMII to RGMII Converter Core 49. HPS GMII to RGMII Adapter Intel® FPGA IP 50. Intel FPGA MII to RMII Converter Core 51. HPS GMII to TSE 1000BASE-X/SGMII PCS Bridge Core Intel® FPGA IP 52. Intel FPGA HPS EMAC to Multi-rate PHY GMII Adapter Core 53. Intel FPGA MSI to GIC Generator Core 54. Cache Coherency Translator Intel® FPGA IP 55. Altera ACE5-Lite Cache Coherency Translator 56. Lightweight UART Core

49.4. HPS GMII to RGMII Adapter Intel® FPGA IP Interface

Figure 166. HPS GMII to RGMII Adapter Intel® FPGA IP Top Level Interfaces
Table 479.  HPS GMII to RGMII Adapter Intel® FPGA IP Top Level Interfaces
Interface Name Signal Width Direction Details
peri_clock clk 1 Input Peripheral clock source.
peri_reset reset 1 Input Active low peripheral asynchronous reset source. This signal is asynchronously asserted and synchronously de-asserted. The synchronous de-assertion must be provided external to this core.
pll_25m_clock pll_25m_clock_clk 1 Input 25 MHz input clock from FPGA PLL.
pll_2_5m_clock pll_2_5m_clock_clk 1 Input 2.5 MHz input clock from FPGA PLL.
hps_gmii mac_tx_clk_o 1 Input GMII transmit clock from HPS.
mac_tx_clk_i 1 Output GMII transmit clock to HPS.
mac_rx_clk 1 Output GMII receive clock to HPS.
mac_rst_tx_n 1 Input GMII transmit reset sources from HPS. Active low reset.
mac_rst_rx_n 1 Input GMII receive reset sources from HPS. Active low reset.
mac_txd_o 8 Input GMII transmit data from HPS.
mac_txen 1 Input GMII transmit enable from HPS.
mac_txer 1 Input GMII transmit error from HPS.
mac_rxdv 1 Output GMII/MII receive data valid to HPS.
mac_rxer 1 Output GMII receive data error to HPS.
mac_rxd 8 Output GMII receive data to HPS.
mac_col 1 Output GMII collision detect to HPS.
mac_crs 1 Output GMII carrier sense to HPS.
mac_speed 3 Input

MAC speed indication from HPS:

3'b011: 1000 Mbps

3'b100: 100 Mbps

3'b111: 10 Mbps

phy_rgmii rgmii_tx_clk 1 Output RGMII transmit clock to PHY.
rgmii_rx_clk 1 Input RGMII receive clock from PHY.
rgmii_txd 4 Output RGMII transmit data to PHY.
rgmii_tx_ctl 1 Output RGMII transmit control to PHY.
rgmii_rxd 4 Input RGMII receive data from PHY.
rgmii_rx_ctl 1 Input RGMII receive control from PHY.