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

25.5.2. Register Descriptions

Table 285.  ECC Error Status FIFO Level Register (ECC_STATUS_FIFO_LVL)
Bit Fields Access Modified WriteValues Default Value Description
3132 eccfifo_overflow read-write writeToClear 0x0 ECC_STATUS_FIFO overflow error status. The maximum depth of ECC_STATUS_FIFO is 512.
Note: Writing to this field to clears the content of the field to 0.
[30:9] Reserved N/A 0x0 Reserved
[8:0] eccfifo_lvl read-only 0x0 Shows the current number of words stored in ECC_STATUS_FIFO.
Note:
When ECC_STATUS_FIFO is full, it will roll over to 0. The maximum depth of ECC_STATUS_FIFO is 512.
Table 286.  RAM address of ECC error status FIFO (ECC_ERR_ADDR_FIFO)The depth of ECC_ERR_ADDR_FIFO is 512.
Bit Fields Access Default Value Description
[31:26] Reserved N/A 0x0 Reserved
[25:0] ecc_err_addr read-only 0x0 The ECC_ERR_ADDR_FIFO holds the RAM’s read address(word-addressing) that has an ECC status of correctable or uncorrectable error.
Table 287.  ECC Error Status FIFO (ECC_STATUS_FIFO)The ECC_STATUS_FIFO holds the ECC status of correctable or uncorrectable error of the output data of memory.
Bit Fields Access Default Value Description
31:17 Reserved read-only 0x0 Reserved
16 RAM0_uncorrectable_ecc_err Holds the uncorrectable ECC error status of RAM 0
15:1 Reserved Reserved
0 RAM0_correctable_ecc_err Holds the correctable ECC error status of RAM 0
Table 288.  Control Register (CONTROL)
Bit Fields Access Default Value Description
[31:3] Reserved N/A 0x0 Reserved
233 eccencbypass_ena read-write 0x0 ECC Encoder Bypass feature is disabled by default. Write 1 to enable ECC Encoder Bypass feature.
1 pop_eccfifo read-write 0x0

Enabled to pop the next data from ECC_ERR_ADDR_FIFO and ECC_STATUS_FIFO.

This field will automatically reset to 0 after one data is pop out from the FIFO.

0 csr_soft_rst read-write 0x0

Enable soft reset to reset eccfifo_overflow status, ECC_ERR_ADDR_FIFO, ECC_STATUS_FIFO and parity_RAM0 registers.

This field will automatically reset to 0 after 8 clock cycles.

Table 289.  ECC parity input to RAM 0 register (PARITY_RAM0)Only applicable if parameter Enable ECC Encoder Bypass is enabled
Bit Fields Access Default Value Description
[31:8] Reserved N/A 0x0 Reserved
[7:0] parity_RAM0 read-write 0x0 8-bit parity input to RAM 0 when ECC Encoder Bypass is enabled.
32 Sticky bits
33 Only applicable if parameter Enable ECC Encoder Bypass is enabled