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

22.3.3. Interface Signals

Table 275.  Interface Signals
Signal Width Direction Description
wrclock 1 Input Clock signal for input interface.
reset_n 1 Input Asynchronous reset signal that is associated with wrclock.
rdclock 1 Input Clock signal for output interface. This signal is only available with the dual mode selection.
rdreset_n 1 Input Asynchronous reset signal that is associated with rdclock. This signal is only available with the dual mode selection.
avalonmm_write_slave_write 1 Input Write control signal. Enable when the input type is AVALONMM_WRITE.
avalonmm_write_slave_writedata 8-256 Input Write data bus. Enable when the input type is AVALONMM_WRITE.
avalonst_sink_channel 8 Input Channel bus. Enable when the input type is AVALONST_SINK.
avalonst_sink_data 32 Input Data bus. Enable when the input type is AVALONST_SINK.
avalonst_sink_empty 1 Input Empty signal. Enable when the input type is AVALONST_SINK.
avalonst_sink_endofpacket 1 Input End of packet signal. Enable when the input type is AVALONST_SINK.
avalonst_sink_error 8 Input Error signal. Enable when the input type is AVALONST_SINK.
avalonst_sink_startofpacket 1 Input Start of packet signal. Enable when the input type is AVALONST_SINK.
avalonst_sink_valid 1 Input Valid signal. Enable when the input type is AVALONST_SINK.
avalonmm_read_slave_read 1 Input Read control signal. Enable when the input type is AVALONMM_READ.
avalonmm_read_slave_readdata 8-256 Output Read data bus. Enable when the input type is AVALONMM_READ.
avalonst_source_channel 8 Output Channel bus. Enable when the input type is AVALONST_SOURCE.
avalonst_source_data 32 Output Data bus. Enable when the input type is AVALONST_SOURCE.
avalonst_source_empty 1 Output Empty signal. Enable when the input type is AVALONST_SOURCE.
avalonst_source_endofpacket 1 Output End of packet signal. Enable when the input type is AVALONST_SOURCE.
avalonst_source_error 8 Output Error signal. Enable when the input type is AVALONST_SOURCE.
avalonst_source_startofpacket 1 Output Start of packet signal. Enable when the input type is AVALONST_SOURCE.
avalonst_source_valid 1 Output Valid signal. Enable when the input type is AVALONST_SOURCE.
wrclk_control_slave_address 3 Input Address bus. Enable when the status interface for input is enabled.
wrclk_control_slave_read 1 Input Read control signal. Enable when the status interface for input is enabled.
wrclk_control_slave_readdata 32 Output Read data bus. Enable when the status interface for input is enabled.
wrclk_control_slave_write 1 Input Write control signal. Enable when the status interface for input is enabled.
wrclk_control_slave_writedata 32 Input Write data bus. Enable when the status interface for input is enabled.
rdclk_control_slave_address 3 Input Address bus. Enable when the status interface for output is enabled.
rdclk_control_slave_read 1 Input Read control signal. Enable when the status interface for output is enabled.
rdclk_control_slave_readdata 32 Output Read data bus. Enable when the status interface for output is enabled.
rdclk_control_slave_write 1 Input Write control signal. Enable when the status interface for output is enabled.
rdclk_control_slave_writedata 32 Input Write data bus. Enable when the status interface for output is enabled.
wrclk_control_slave_irq 1 Output Interrupt signal for input status register. Enable when IRQ and status interface for input are enabled.
rdclk_control_slave_irq 1 Output Interrupt signal for output status register. Enable when IRQ and status interface for output are enabled.