Cyclone® V Hard Processor System Technical Reference Manual

ID 683126
Date 8/28/2023
Public
Document Table of Contents

A.4.3.1.1. Boot Source I/O Configuration

The following tables list the boot source I/O settings configured by the boot ROM during initialization. After the preloader is executed, any custom settings you program in Quartus take effect.

Table 265.  QSPI Flash 3.0 V Boot Configuration (BSEL=0x7)In the "Direction" column for this table, B= bi-directional, I=input, O=output
Pin Signal Configured Direction I/O Standard Drive Strength Slew Rate Setting Open Drain Pull-up
MIXED1IO15 QSPI_IO0 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO16 QSPI_IO1 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO17 QSPI_IO2 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO18 QSPI_IO3 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO19 QSPI_SS0 Yes O 3.0-V LVCMOS 4 mA Fast (1) No Yes
MIXED1IO20 QSPI_CLK Yes O 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO21 QSPI_SS1 No I 3.0-V LVCMOS 12 mA Fast (1) No Yes
Table 266.  QSPI Flash 1.8 V Boot Configuration (BSEL=0x6)In the "Direction" column for this table, B= bi-directional, I=input, O=output
Pin Signal Configured Direction I/O Standard Drive Strength Slew Rate Setting Open Drain Pull-up
MIXED1IO15 QSPI_IO0 Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO16 QSPI_IO1 Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO17 QSPI_IO2 Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO18 QSPI_IO3 Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO19 QSPI_SS0 Yes O 1.8-V LVCMOS 4 mA Fast (1) No Yes
MIXED1IO20 QSPI_CLK Yes O 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO21 QSPI_SS1 No I 1.8-V LVCMOS 12 mA Fast (1) No Yes
Table 267.  SD/MMC Internal Transceiver 3.0-V Boot Configuration (BSEL=0x5)In the "Direction" column for this table, B= bi-directional, I=input, O=output
Pin Signal Configured Direction I/O Standard Drive Strength Slew Rate Setting Open Drain Pull-up
FLASHIO0 SDMMC_CMD Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
FLASHIO1 SDMMC_PWREN No I 3.0-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO2 SDMMC_D0 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
FLASHIO3 SDMMC_D1 No I 3.0-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO4 SDMMC_D4 No I 3.0-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO5 SDMMC_D5 No I 3.0-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO6 SDMMC_D6 No I 3.0-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO7 SDMMC_D7 No I 3.0-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO8 SDMMC_CLKIN No I 3.0-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO9 SDMMC_CLK Yes O 3.0-V LVCMOS 4 mA Fast (1) No No
FLASHIO10 SDMMC_D2 No I 3.0-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO11 SDMMC_D3 No I 3.0-V LVCMOS 12 mA fast (1) No Yes
Table 268.  SD/MMC Internal Transceiver 1.8-V Boot Configuration (BSEL=0x4)In the "Direction" column for this table, B= bi-directional, I=input, O=output
Pin Signal Configured Direction I/O Standard Drive Strength Slew Rate Setting Open Drain Pull-up
FLASHIO0 SDMMC_CMD Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
FLASHIO1 SDMMC_PWREN No I 1.8-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO2 SDMMC_D0 Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
FLASHIO3 SDMMC_D1 No I 1.8-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO4 SDMMC_D4 No I 1.8-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO5 SDMMC_D5 No I 1.8-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO6 SDMMC_D6 No I 1.8-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO7 SDMMC_D7 No I 1.8-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO8 SDMMC_CLKIN No I 1.8-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO9 SDMMC_CLK Yes O 1.8-V LVCMOS 4 mA Fast (1) No No
FLASHIO10 SDMMC_D2 No I 1.8-V LVCMOS 12 mA Fast (1) No Yes
FLASHIO11 SDMMC_D3 No I 1.8-V LVCMOS 12 mA Fast (1) No Yes
Table 269.  NAND Flash 3.0-V Boot Configuration (BSEL=0x3)In the "Direction" column for this table, B= bi-directional, I=input, O=output
Pin Signal Configured Direction I/O Standard Drive Strength Slew Rate Setting Open Drain Pull-up
MIXED1IO0 NAND_ALE Yes O 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO1 NAND_CE Yes O 3.0-V LVCMOS 4 mA Fast (1) No Yes
MIXED1IO2 NAND_CLE Yes O 3.0-V LVCMOS 4 mA fast (1) No No
MIXED1IO3 NAND_RE Yes O 3.0-V LVCMOS 4 mA Fast (1) No Yes
MIXED1IO4 NAND_RB Yes I 3.0-V LVCMOS 12 mA Fast (1) No No
MIXED1IO5 NAND_DQ0 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO6 NAND_DQ1 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO7 NAND_DQ2 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO8 NAND_DQ3 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO09 NAND_DQ4 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO10 NAND_DQ5 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO11 NAND_DQ6 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO12 NAND_DQ7 Yes B 3.0-V LVCMOS 4 mA Fast (1) No No
MIXED1IO13 NAND_WP Yes O 3.0-V LVCMOS 4 mA Fast (1) No Yes
MIXED1IO14 NAND_WE Yes O 3.0-V LVCMOS 4 mA Fast (1) No Yes
Table 270.  NAND Flash 1.8-V Boot Configuration (BSEL=0x2)In the "Direction" column for this table, B= bi-directional, I=input, O=output
Pin Signal Configured Direction I/O Standard Drive Strength Slew Rate Open Drain Pull-up
MIXED1IO0 NAND_ALE Yes O 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO1 NAND_CE Yes O 1.8-V LVCMOS 4 mA Fast (1) No Yes
MIXED1IO2 NAND_CLE Yes O 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO3 NAND_RE Yes O 1.8-V LVCMOS 4 mA Fast (1) No Yes
MIXED1IO4 NAND_RB Yes I 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO5 NAND_DQ0 Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO6 NAND_DQ1 Yes B 1.8-V LVCMOS 12 mA Fast (1) No No
MIXED1IO7 NAND_DQ2 Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO8 NAND_DQ3 Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO09 NAND_DQ4 Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO10 NAND_DQ5 Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO11 NAND_DQ6 Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO12 NAND_DQ7 Yes B 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO13 NAND_WP Yes O 1.8-V LVCMOS 4 mA Fast (1) No No
MIXED1IO14 NAND_WE Yes O 1.8-V LVCMOS 4 mA Fast (1) No No