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

25.4.4. AXI-4 Interface Signals

Table 281.  Interface Signals for AXI-4 Single Subordinate Interface
Signal Names Width (bit) Direction Description
Clock Interface
clk 1 Input Clock for AXI Agent domain.
Reset Interface
reset 1 Input Reset for AXI Agent domain.
reset_req 1 Input Optional signal to perform clock gating to memory during reset.
AXI Agent
s1_awid [IDW-1:0] Input Write Address ID. Identification tag for write transaction.
s1_awaddr [AW-1:0] Input Write Address. The address of the first transfer in a write transaction. The subsequent address is derived based on the burst information.
s1_awlen [7:0] Input Write Length. Number of data transfer in a write transaction.
s1_awsize [2:0] Input Write Size. Number of bytes in each data transfer in a write transaction.
s1_awburst [1:0] Input Write Burst Type. Support INCR and WRAP.
s1_awvalid 1 Input Write Address Valid. Indicates that write address channel signals are valid.
s1_awready 1 Output Write Address Ready. Indicates that a transfer on the write address channel can be accepted.
s1_wdata [DW-1:0] Input Write Data.
s1_wstrb [DW/8-1:0] Input Write Data Strobes. Indicates which byte lanes hold valid data.
s1_wlast 1 Input Write Data Last. Mark the last write data in a write transaction.
s1_wvalid 1 Input Write Data Valid.
s1_wready 1 Output Write Data Ready
s1_bid [IDW-1:0] Output Write Response ID. Identification tag for write response transaction.
s1_bresp [1:0] Output Write Response.
s1_bvalid 1 Output Write Response Valid.
s1_bready 1 Input Write Response Ready.
s1_arid [IDW-1:0] Input Read Address ID. Identification tag for read transaction.
s1_araddr [AW-1:0] Input Read Address. The address of the first transfer in a read transaction. The subsequent address is derived based on the burst information.
s1_arlen [7:0] Input Read length. Indicates the number of data transfers in a read transaction.
s1_arsize [2:0] Input Read Size. Indicates the number of bytes in each data transfer in a read transaction.
s1_arburst [1:0] Input Read Burst Type. Support INCR and WRAP.
s1_arvalid 1 Input Read Address Valid. Indicates that read address channel signals are valid.
s1_arready 1 Output Read Address Ready. Indicates that a transfer on the read address channel can be accepted.
s1_rid [IDW-1:0] Output Read Data ID. Identification tag for read data transaction.
s1_rdata [DW-1:0] Output Read Data.
s1_rresp [1:0] Output Read Data Response.
s1_rlast 1 Output Read Data Last.
s1_rvalid 1 Output Read Data Valid.
s1_rready 1 Input Read Data Ready.

Note:

  1. IDW = Identification Tag Data Bit Width
  2. AW = Address Bit Width
  3. DW = Data Bit Width
Table 282.  Interface Signals for AXI-4 Second Subordinate Interface
Signal Names Width (bit) Direction Description
Clock Interface
clk 1 Input Clock for AXI Agent domain.
Reset Interface
reset 1 Input Reset for AXI Agent domain.
reset_req 1 Input Optional signal to perform clock gating to memory during reset.
AXI Agent
s2_awid [IDW-1:0] Input Write Address ID. Identification tag for write transaction.
s2_awaddr [AW-1:0] Input Write Address. The address of the first transfer in a write transaction. The subsequent address is derived based on the burst information.
s2_awlen [7:0] Input Write Length. Number of data transfer in a write transaction.
s2_awsize [2:0] Input Write Size. Number of bytes in each data transfer in a write transaction.
s2_awburst [1:0] Input Write Burst Type. Support INCR and WRAP.
s2_awvalid 1 Input Write Address Valid. Indicates that write address channel signals are valid.
s2_awready 1 Output Write Address Ready. Indicates that a transfer on the write address channel can be accepted.
s2_wdata [DW-1:0] Input Write Data.
s2_wstrb [DW/8-1:0] Input Write Data Strobes. Indicates which byte lanes hold valid data.
s2_wlast 1 Input Write Data Last. Mark the last write data in a write transaction.
s2_wvalid 1 Input Write Data Valid.
s2_wready 1 Output Write Data Ready
s2_bid [IDW-1:0] Output Write Response ID. Identification tag for write response transaction.
s2_bresp [1:0] Output Write Response.
s2_bvalid 1 Output Write Response Valid.
s2_bready 1 Input Write Response Ready.
s2_arid [IDW-1:0] Input Read Address ID. Identification tag for read transaction.
s2_araddr [AW-1:0] Input Read Address. The address of the first transfer in a read transaction. The subsequent address is derived based on the burst information.
s2_arlen [7:0] Input Read length. Indicates the number of data transfers in a read transaction.
s2_arsize [2:0] Input Read Size. Indicates the number of bytes in each data transfer in a read transaction.
s2_arburst [1:0] Input Read Burst Type. Support INCR and WRAP.
s2_arvalid 1 Input Read Address Valid. Indicates that read address channel signals are valid.
s2_arready 1 Output Read Address Ready. Indicates that a transfer on the read address channel can be accepted.
s2_rid [IDW-1:0] Output Read Data ID. Identification tag for read data transaction.
s2_rdata [DW-1:0] Output Read Data.
s2_rresp [1:0] Output Read Data Response.
s2_rlast 1 Output Read Data Last.
s2_rvalid 1 Output Read Data Valid.
s2_rready 1 Input Read Data Ready.

Note:

  1. IDW = Identification Tag Data Bit Width
  2. AW = Address Bit Width
  3. DW = Data Bit Width