Embedded Peripherals IP User Guide

ID 683130
Date 10/24/2025
Public
Document Table of Contents
1. Introduction 2. Avalon® -ST Serial Peripheral Interface Core 3. SPI Core 4. SPI Agent/JTAG to Avalon® Host Bridge Cores 5. Intel eSPI Agent Core 6. eSPI to LPC Bridge Core 7. Ethernet MDIO Core 8. Intel FPGA 16550 Compatible UART Core 9. UART Core 10. Lightweight 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. EPCS/EPCQA Serial Flash Controller Core 17. Intel FPGA Serial Flash Controller Core 18. Intel FPGA Serial Flash Controller II Core 19. Intel FPGA Generic QUAD SPI Controller Core 20. Intel FPGA Generic QUAD SPI Controller II Core 21. Interval Timer Core 22. Intel FPGA Avalon FIFO Memory Core 23. On-Chip Memory (RAM and ROM) Intel FPGA IP 24. On-Chip Memory II (RAM or ROM) Intel FPGA IP 25. PIO Core 26. PLL Cores 27. DMA Controller Core 28. Modular Scatter-Gather DMA Core 29. Scatter-Gather DMA Controller Core 30. Video Sync Generator and Pixel Converter Cores 31. Intel FPGA Interrupt Latency Counter Core 32. Performance Counter Unit Core 33. Vectored Interrupt Controller Core 34. System ID Peripheral Core 35. Intel FPGA GMII to RGMII Converter Core 36. HPS GMII to RGMII Adapter IP 37. Intel FPGA MII to RMII Converter Core 38. HPS GMII to TSE 1000BASE-X/SGMII PCS Bridge Core IP 39. Intel FPGA HPS EMAC to Multi-rate PHY GMII Adapter Core 40. Intel FPGA MSI to GIC Generator Core 41. Cache Coherency Translator IP 42. Altera ACE5-Lite Cache Coherency Translator

16.4. Interface Signals

Table 167.  Interface Signals
Signal Name Width Direction Description
Clock Interface
clk 1 Input Input clock used to clock the IP core.
Reset Interface
reset_n 1 Input Synchronous reset used to reset the IP core.
resetrequest 1 Input Reset RAM memory.
Avalon® Memory-Mapped Interface Agent Interface
address 9 Input Avalon® Memory-Mapped Interface address lines from the system interconnect fabric.
chipselect 1 Input Avalon® Memory-Mapped Interface chip-select signal.
dataavailable 1 Output Flow control signal which indicates that the data is ready for read transfer.
endofpacket 1 Output Flow control signal which indicates the end of SPI data word.
read_n 1 Input Avalon® Memory-Mapped Interface read request signal.
readdata 32 Output Avalon® Memory-Mapped Interface read data to system interconnect fabric for read transfer.
readyfordata 1 Output Flow control signal which indicates the availability to accept a write transfer.
write_n 1 Input Avalon® Memory-Mapped Interface write request signal.
write_data 32 Input Avalon® Memory-Mapped Interface write data from the system interconnect fabric.
Interrupt Signal
irq 1 Output Interrupt signal.
Conduit Ports
dclk 1 Output Provides a clock signal to the flash device.
sce 1 Output Provides the ncs signal to the flash device.
sdo 1 Output Output port to feed data into flash device.
data0 1 Input Input port to feed data from flash device.