Visible to Intel only — GUID: tto1725926358578
Ixiasoft
Visible to Intel only — GUID: tto1725926358578
Ixiasoft
8.1. External Memory Interfaces (EMIF) IP - LPDDR5 Parameter Descriptions
Parameter Name | Description |
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Number of Channels | Specifies the number of channels that the interface should implement. For multi-channel devices, this should always match the number of channels on the device. Default value is 2 Legal values are: 1, 2, 4 (Identifier: MEM_NUM_CHANNELS) |
Data DQ Width | Number of DQ pins per memory channel, used for data. Default value is 16 Legal values are: 16, 32 (Identifier: MEM_CHANNEL_DATA_DQ_WIDTH) |
Die Density | Capacity of each memory die (in Gbits), per channel per die. For dual-die packages, this is the density of each die, not the density of the full package. Default value is 32 Legal values are: 2, 3, 4, 6, 8, 12, 16, 24, 32 (Identifier: MEM_DIE_DENSITY_GBITS) |
CS Width | Specifies the total number of CS pins used by each channel. Default value is 1 Legal values are: 1, 2 (Identifier: MEM_CHANNEL_CS_WIDTH) |
Auto-set Memory Operating Frequency - FSP0 | if true, let IP select max frequency that this configuration can support for the current device speedgrade. If false, user can set custom value for operating frequency. Default value is true (Identifier: MEM_FSP0_OPERATING_FREQ_MHZ_AUTOSET_EN) |
Memory Operating Frequency - FSP0 | Specifies the FSP0 operating frequency of the memory interface in MHz. This is not the same as boot-frequency (boot frequency is not a user parameter). Legal values are: 800, 1066.667, 1375, 1600, 1866.667, 2133.333, 2400, 2750 (Identifier: MEM_FSP0_OPERATING_FREQ_MHZ) |
Enable Frequency Set Point (FSP) 1 | If true, users can enable and set values for a second frequency set point. Default value is false (Identifier: MEM_FSP1_EN) |
Auto-set Memory Operating Frequency - FSP1 | if true, let IP select max frequency that this configuration can support for the current device speedgrade. If false, user can set custom value for operating frequency. Default value is true (Identifier: MEM_FSP1_OPERATING_FREQ_MHZ_AUTOSET_EN) |
Memory Operating Frequency - FSP1 | Specifies the FSP1 operating frequency of the memory interface in MHz. Legal values are: 800, 1066.667, 1375, 1600, 1866.667, 2133.333, 2400, 2750 (Identifier: MEM_FSP1_OPERATING_FREQ_MHZ) |
Enable Frequency Set Point (FSP) 2 | If true, users can enable and set values for a third frequency set point. Default value is false (Identifier: MEM_FSP2_EN) |
Auto-set Memory Operating Frequency - FSP2 | if true, let IP select max frequency that this configuration can support for the current device speedgrade. If false, user can set custom value for operating frequency. Default value is true (Identifier: MEM_FSP2_OPERATING_FREQ_MHZ_AUTOSET_EN) |
Memory Operating Frequency - FSP2 | Specifies the FSP2 operating frequency of the memory interface in MHz. Legal values are: 800, 1066.667, 1375, 1600, 1866.667, 2133.333, 2400, 2750 (Identifier: MEM_FSP2_OPERATING_FREQ_MHZ) |
Memory Operating Frequency | Specifies the frequency at which the memory interface will run. (Identifier: MEM_OPERATING_FREQ_MHZ) |
Parameter Name | Description |
---|---|
Auto-set PLL Reference Clock Frequency | if true, let IP select max PLL refclk frequency that this configuration can support. If false, user can set custom value for PLL refclk frequency. Default value is true (Identifier: PHY_REFCLK_FREQ_MHZ_AUTOSET_EN) |
Enable Advanced List of PLL Reference Clock Frequencies | If true, provide extended list of possible refclk values. Otherwise, prune possible list of refclk values to a more reasonable length. Default value is false (Identifier: PHY_REFCLK_ADVANCED_SELECT_EN) |
Reference Clock Frequency | Specifies the reference clock frequency for the EMIF IOPLL. (Identifier: PHY_REFCLK_FREQ_MHZ) |
AC Placement | Indicates location on the device where the interface will reside (specifically, the location of the AC lanes in terms I/O BANK and TOP vs BOT part of the I/O BANK). Legal ranges are derived from device floorplan. Default value is BOT Legal values are: BOT, TOP, FULL (Identifier: PHY_AC_PLACEMENT) |
Auto-set Mainband Access Mode | if true, let IP select most likely usecase for the PHY_MAINBAND_ACCESS_MODE; if false, let user set a custom value for sideband access mode. Default value is true (Identifier: PHY_MAINBAND_ACCESS_MODE_AUTOSET_EN) |
Mainband Access Mode | Specifies the path through which the EMIF QHIP mainband interface is exposed to the user. The mainband interface is the AXI4 interface to the memory controller. Legal values are: NOC, ASYNC, SYNC (Identifier: PHY_MAINBAND_ACCESS_MODE) |
Auto-set Sideband Access Mode | if true, let IP select most likely usecase for the PHY_SIDEBAND_ACCESS_MODE; if false, let user set a custom value for sideband access mode. Default value is true (Identifier: PHY_SIDEBAND_ACCESS_MODE_AUTOSET_EN) |
Sideband Access Mode | Specifies the path through which the EMIF QHIP sideband interface is exposed to the user. The sideband interface is the AXI4-Lite interface to the IOSSM. Legal values are: NOC, FABRIC (Identifier: PHY_SIDEBAND_ACCESS_MODE) |
Pin Swizzle Map | Specifies the swizzle map for the data lanes and pins. (Identifier: PHY_SWIZZLE_MAP) |
Use Debug Toolkit | If enabled, the AXI-L port will be connected to SLD nodes, allowing for a system-console avalon manager interface to interact with this AXI-L subordinate interface. Default value is false (Identifier: DEBUG_TOOLS_EN) |
Instance ID | Instance ID of the EMIF IP. This is useful when using a discovery mechanism over the side-band interface, to identify which EMIF instance's mailbox is at which offset. If expecting to use a discovery mechanism in hardware, this parameter must be set uniquely for all EMIFs that share a sideband. Otherwise, this parameter can be ignored / kept at the default value. Default value is 0 Legal values are: from 0 to 6 (Identifier: INSTANCE_ID) |
Parameter Name | Description |
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Use In-Line ECC | Specifies whether in-line ECC is enabled in the controller. Default value is false (Identifier: CTRL_ECC_INLINE_EN) |
Use WR Link ECC | Specifies whether write link ECC is enabled in the controller. Default value is false (Identifier: CTRL_ECC_WR_LINK_EN) |
Use RD Link ECC | Specifies whether read link ECC is enabled in the controller. Default value is false (Identifier: CTRL_ECC_RD_LINK_EN) |
Use ECC Autocorrection | If ECC is enabled, specifies whether single-bit-errors (SBEs) should be corrected or just reported. Default value is true (Identifier: CTRL_ECC_AUTOCORRECT_EN) |
Use Data Masking | Specifies whether Data Masking is enabled by the controller. When ECC is enabled, RMWs will occur (to recompute / write ECC), regardless of whether this is enabled. Default value is false (Identifier: CTRL_DM_EN) |
Use WDBI | Specifies whether write Data-bus-inversion is enabled by the controller. Default value is false (Identifier: CTRL_WR_DBI_EN) |
Use RDBI | Specifies whether read Data-bus-inversion is enabled by the controller. Default value is false (Identifier: CTRL_RD_DBI_EN) |
Parameter Name | Description |
---|---|
JEDEC Parameter | Name of JEDEC Parameter to explicitly override; the values will be applied and appear in the list below. Default value is Legal values are: MEM_FSP0_CL_CYC, MEM_FSP1_CL_CYC, MEM_FSP2_CL_CYC, MEM_FSP0_CWL_CYC, MEM_FSP1_CWL_CYC, MEM_FSP2_CWL_CYC, MEM_RDQS_POSTAMBLE_MODE, MEM_RD_PREAMBLE_CYC, MEM_RD_POSTAMBLE_CYC, MEM_WR_POSTAMBLE_CYC, MEM_MINNUMREFSREQ, MEM_TRCD_NS, MEM_TRPAB_NS, MEM_TRPPB_NS, MEM_TRAS_NS, MEM_TRAS_MAX_NS, MEM_TWR_NS, MEM_FSP0_TRRD_L_NS, MEM_FSP1_TRRD_L_NS, MEM_FSP2_TRRD_L_NS, MEM_FSP0_TRRD_S_NS, MEM_FSP1_TRRD_S_NS, MEM_FSP2_TRRD_S_NS, MEM_TFAW_NS, MEM_FSP0_TRBTP_NS, MEM_FSP1_TRBTP_NS, MEM_FSP2_TRBTP_NS, MEM_FSP0_TWTR_S_NS, MEM_FSP1_TWTR_S_NS, MEM_FSP2_TWTR_S_NS, MEM_FSP0_TWTR_L_NS, MEM_FSP1_TWTR_L_NS, MEM_FSP2_TWTR_L_NS, MEM_FSP0_TPPD_NS, MEM_FSP1_TPPD_NS, MEM_FSP2_TPPD_NS, MEM_TRC_NS, MEM_TZQLAT_NS, MEM_TPW_RESET_NS, MEM_TERQE_NS, MEM_TERQX_NS, MEM_TRDQE_OD_NS, MEM_TRDQX_OD_NS, MEM_TRDQSTFE_NS, MEM_TRDQSTFX_NS, MEM_TCCDMW_NS, MEM_TREFW_NS, MEM_TREFI_NS, MEM_FSP0_TRFCAB_NS, MEM_FSP1_TRFCAB_NS, MEM_FSP2_TRFCAB_NS, MEM_FSP0_TRFCPB_NS, MEM_FSP1_TRFCPB_NS, MEM_FSP2_TRFCPB_NS, MEM_FSP0_TPBR2PBR_NS, MEM_FSP1_TPBR2PBR_NS, MEM_FSP2_TPBR2PBR_NS, MEM_TPBR2ACT_NS, MEM_FSP0_TCKCSH_NS, MEM_FSP1_TCKCSH_NS, MEM_FSP2_TCKCSH_NS, MEM_FSP0_TCMDPD_NS, MEM_FSP1_TCMDPD_NS, MEM_FSP2_TCMDPD_NS, MEM_FSP0_TXP_NS, MEM_FSP1_TXP_NS, MEM_FSP2_TXP_NS, MEM_TCSH_NS, MEM_FSP0_TCSLCK_NS, MEM_FSP1_TCSLCK_NS, MEM_FSP2_TCSLCK_NS, MEM_FSP0_TCSPD_NS, MEM_FSP1_TCSPD_NS, MEM_FSP2_TCSPD_NS, MEM_FSP0_TMRWPD_NS, MEM_FSP1_TMRWPD_NS, MEM_FSP2_TMRWPD_NS, MEM_FSP0_TZQPD_NS, MEM_FSP1_TZQPD_NS, MEM_FSP2_TZQPD_NS, MEM_FSP0_TESPD_NS, MEM_FSP1_TESPD_NS, MEM_FSP2_TESPD_NS, MEM_TSR_NS, MEM_TXSR_NS, MEM_FSP0_TMRR_NS, MEM_FSP1_TMRR_NS, MEM_FSP2_TMRR_NS, MEM_FSP0_TMRW_NS, MEM_FSP1_TMRW_NS, MEM_FSP2_TMRW_NS, MEM_FSP0_TMRD_NS, MEM_FSP1_TMRD_NS, MEM_FSP2_TMRD_NS, MEM_TOSCO_NS, MEM_TDQSCK_NS (Identifier: JEDEC_OVERRIDE_TABLE_PARAM_NAME) |
Parameter Name | Description |
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[FSP0] Read Latency | [FSP0] Read Latency of the memory device in clock cycles. (Identifier: MEM_FSP0_CL_CYC) |
[FSP1] Read Latency | [FSP1] Read Latency of the memory device in clock cycles. (Identifier: MEM_FSP1_CL_CYC) |
[FSP2] Read Latency | [FSP2] Read Latency of the memory device in clock cycles. (Identifier: MEM_FSP2_CL_CYC) |
[FSP0] Write Latency | [FSP0] Write Latency in clock cycles. (Identifier: MEM_FSP0_CWL_CYC) |
[FSP1] Write Latency | [FSP1] Write Latency in clock cycles. (Identifier: MEM_FSP1_CWL_CYC) |
[FSP2] Write Latency | [FSP2] Write Latency in clock cycles. (Identifier: MEM_FSP2_CWL_CYC) |
Read Postamble Mode | RDQS Postamble Mode. (Identifier: MEM_RDQS_POSTAMBLE_MODE) |
Read Preamble Cycles | RDQS Preamble length (in cycles). (Identifier: MEM_RD_PREAMBLE_CYC) |
Read Postamble Cycles | RDQS Postamble length (in cycles). (Identifier: MEM_RD_POSTAMBLE_CYC) |
Write Postamble Cycles | WCK Postamble length (in cycles). (Identifier: MEM_WR_POSTAMBLE_CYC) |
Min Number of Refs Reqd | Minimum Number of Refreshes Required. (Identifier: MEM_MINNUMREFSREQ) |
tRCD | RAS-to-CAS Delay in nanoseconds. (Identifier: MEM_TRCD_NS) |
tRPab | All-Bank Precharge Time in nanoseconds. (Identifier: MEM_TRPAB_NS) |
tRPpb | Per-Bank Precharge Time in nanoseconds. (Identifier: MEM_TRPPB_NS) |
tRAS | Row Active Time in nanoseconds. (Identifier: MEM_TRAS_NS) |
tRAS_MAX | Specifies the maximum Activate-to-Precharge command period in nanoseconds. (Identifier: MEM_TRAS_MAX_NS) |
tWR | Write Recovery Time in nanoseconds. (Identifier: MEM_TWR_NS) |
[FSP0] tRRD_L | [FSP0] RAS-to-RAS (Active Bank-A to Active Bank-B) Delay Time (Long) in nanoseconds. (Identifier: MEM_FSP0_TRRD_L_NS) |
[FSP1] tRRD_L | [FSP1] RAS-to-RAS (Active Bank-A to Active Bank-B) Delay Time (Long) in nanoseconds. (Identifier: MEM_FSP1_TRRD_L_NS) |
[FSP2] tRRD_L | [FSP2] RAS-to-RAS (Active Bank-A to Active Bank-B) Delay Time (Long) in nanoseconds. (Identifier: MEM_FSP2_TRRD_L_NS) |
[FSP0] tRRD_S | [FSP0] RAS-to-RAS (Active Bank-A to Active Bank-B) Delay Time (Short) in nanoseconds. (Identifier: MEM_FSP0_TRRD_S_NS) |
[FSP1] tRRD_S | [FSP1] RAS-to-RAS (Active Bank-A to Active Bank-B) Delay Time (Short) in nanoseconds. (Identifier: MEM_FSP1_TRRD_S_NS) |
[FSP2] tRRD_S | [FSP2] RAS-to-RAS (Active Bank-A to Active Bank-B) Delay Time (Short) in nanoseconds. (Identifier: MEM_FSP2_TRRD_S_NS) |
tFAW | Four-bank ACTIVE window time in nanoseconds. (Identifier: MEM_TFAW_NS) |
[FSP0] tRBTP | [FSP0] Read Burst End to Precharge Command Delay in nanoseconds. (Identifier: MEM_FSP0_TRBTP_NS) |
[FSP1] tRBTP | [FSP1] Read Burst End to Precharge Command Delay in nanoseconds. (Identifier: MEM_FSP1_TRBTP_NS) |
[FSP2] tRBTP | [FSP2] Read Burst End to Precharge Command Delay in nanoseconds. (Identifier: MEM_FSP2_TRBTP_NS) |
[FSP0] tWTR_S | [FSP0] Write-to-Read Delay (Short) in nanoseconds. (Identifier: MEM_FSP0_TWTR_S_NS) |
[FSP1] tWTR_S | [FSP1] Write-to-Read Delay (Short) in nanoseconds. (Identifier: MEM_FSP1_TWTR_S_NS) |
[FSP2] tWTR_S | [FSP2] Write-to-Read Delay (Short) in nanoseconds. (Identifier: MEM_FSP2_TWTR_S_NS) |
[FSP0] tWTR_L | [FSP0] Write-to-Read Delay (Long) in nanoseconds. (Identifier: MEM_FSP0_TWTR_L_NS) |
[FSP1] tWTR_L | [FSP1] Write-to-Read Delay (Long) in nanoseconds. (Identifier: MEM_FSP1_TWTR_L_NS) |
[FSP2] tWTR_L | [FSP2] Write-to-Read Delay (Long) in nanoseconds. (Identifier: MEM_FSP2_TWTR_L_NS) |
[FSP0] tPPD | [FSP0] Precharge-to-precharge delay in nanoseconds. (Identifier: MEM_FSP0_TPPD_NS) |
[FSP1] tPPD | [FSP1] Precharge-to-precharge delay in nanoseconds. (Identifier: MEM_FSP1_TPPD_NS) |
[FSP2] tPPD | [FSP2] Precharge-to-precharge delay in nanoseconds. (Identifier: MEM_FSP2_TPPD_NS) |
tRC | Activate-to-Activate command period (same bank) in nanoseconds. (Identifier: MEM_TRC_NS) |
tZQLAT | ZQCAL Latch Quiet Time in nanoseconds. (Identifier: MEM_TZQLAT_NS) |
tPW_RESET | Min RESET_n low time for Reset Initialization with Stable Power Time in nanoseconds. (Identifier: MEM_TPW_RESET_NS) |
tERQE | Enhanced RDQS Toggle Mode Entry Time in nanoseconds. (Identifier: MEM_TERQE_NS) |
tERQX | Enhanced RDQS Toggle Mode Exit Time in nanoseconds. (Identifier: MEM_TERQX_NS) |
tRDQE_OD | ODT-disable from Enhanced RDQS Toggle Mode Entry Time in nanoseconds. (Identifier: MEM_TRDQE_OD_NS) |
tRDQX_OD | ODT-enable from Enhanced RDQS Toggle Mode Exit Time in nanoseconds. (Identifier: MEM_TRDQX_OD_NS) |
tRDQSTFE | Read/Write-based RDQS_t Training Mode Entry Time in nanoseconds. (Identifier: MEM_TRDQSTFE_NS) |
tRDQSTFX | Read/Write-based RDQS_t Training Mode Exit Time in nanoseconds. (Identifier: MEM_TRDQSTFX_NS) |
tCCDMW | CAS-to-CAS Delay for Masked Write in nanoseconds. (Identifier: MEM_TCCDMW_NS) |
tREFW | Refresh Window in nanoseconds. (Identifier: MEM_TREFW_NS) |
tREFI | Refresh Interval Time in nanoseconds. (Identifier: MEM_TREFI_NS) |
[FSP0] tRFCab | [FSP0] All-Bank Refresh Cycle Time in nanoseconds. (Identifier: MEM_FSP0_TRFCAB_NS) |
[FSP1] tRFCab | [FSP1] All-Bank Refresh Cycle Time in nanoseconds. (Identifier: MEM_FSP1_TRFCAB_NS) |
[FSP2] tRFCab | [FSP2] All-Bank Refresh Cycle Time in nanoseconds. (Identifier: MEM_FSP2_TRFCAB_NS) |
[FSP0] tRFCpb | [FSP0] Per-Bank Refresh Cycle Time in nanoseconds. (Identifier: MEM_FSP0_TRFCPB_NS) |
[FSP1] tRFCpb | [FSP1] Per-Bank Refresh Cycle Time in nanoseconds. (Identifier: MEM_FSP1_TRFCPB_NS) |
[FSP2] tRFCpb | [FSP2] Per-Bank Refresh Cycle Time in nanoseconds. (Identifier: MEM_FSP2_TRFCPB_NS) |
[FSP0] tpbR2pbR | [FSP0] Per-Bank Refresh to Per-Bank Refresh minimum interval time in nanoseconds. (Identifier: MEM_FSP0_TPBR2PBR_NS) |
[FSP1] tpbR2pbR | [FSP1] Per-Bank Refresh to Per-Bank Refresh minimum interval time in nanoseconds. (Identifier: MEM_FSP1_TPBR2PBR_NS) |
[FSP2] tpbR2pbR | [FSP2] Per-Bank Refresh to Per-Bank Refresh minimum interval time in nanoseconds. (Identifier: MEM_FSP2_TPBR2PBR_NS) |
tpbR2ACT | Per-Bank Refresh to Activate minimum interval time in nanoseconds. (Identifier: MEM_TPBR2ACT_NS) |
[FSP0] tCKCSH | [FSP0] Valid Clock Requirement before CS goes High (Power-Down AC Timings) in nanoseconds. (Identifier: MEM_FSP0_TCKCSH_NS) |
[FSP1] tCKCSH | [FSP1] Valid Clock Requirement before CS goes High (Power-Down AC Timings) in nanoseconds. (Identifier: MEM_FSP1_TCKCSH_NS) |
[FSP2] tCKCSH | [FSP2] Valid Clock Requirement before CS goes High (Power-Down AC Timings) in nanoseconds. (Identifier: MEM_FSP2_TCKCSH_NS) |
[FSP0] tCMDPD | [FSP0] Delay from valid command to Power Down Entry in nanoseconds. (Identifier: MEM_FSP0_TCMDPD_NS) |
[FSP1] tCMDPD | [FSP1] Delay from valid command to Power Down Entry in nanoseconds. (Identifier: MEM_FSP1_TCMDPD_NS) |
[FSP2] tCMDPD | [FSP2] Delay from valid command to Power Down Entry in nanoseconds. (Identifier: MEM_FSP2_TCMDPD_NS) |
[FSP0] tXP | [FSP0] Exit Power-Down to Next Valid Command Delay Time in nanoseconds. (Identifier: MEM_FSP0_TXP_NS) |
[FSP1] tXP | [FSP1] Exit Power-Down to Next Valid Command Delay Time in nanoseconds. (Identifier: MEM_FSP1_TXP_NS) |
[FSP2] tXP | [FSP2] Exit Power-Down to Next Valid Command Delay Time in nanoseconds. (Identifier: MEM_FSP2_TXP_NS) |
tCSH | Minimum CS High Pulse Width at Power Down Exit in nanoseconds. (Identifier: MEM_TCSH_NS) |
[FSP0] tCSLCK | [FSP0] Valid Clock Requirement after Power Down Entry in nanoseconds. (Identifier: MEM_FSP0_TCSLCK_NS) |
[FSP1] tCSLCK | [FSP1] Valid Clock Requirement after Power Down Entry in nanoseconds. (Identifier: MEM_FSP1_TCSLCK_NS) |
[FSP2] tCSLCK | [FSP2] Valid Clock Requirement after Power Down Entry in nanoseconds. (Identifier: MEM_FSP2_TCSLCK_NS) |
[FSP0] tCSPD | [FSP0] Delay time from Power Down Entry to CS going High in nanoseconds. (Identifier: MEM_FSP0_TCSPD_NS) |
[FSP1] tCSPD | [FSP1] Delay time from Power Down Entry to CS going High in nanoseconds. (Identifier: MEM_FSP1_TCSPD_NS) |
[FSP2] tCSPD | [FSP2] Delay time from Power Down Entry to CS going High in nanoseconds. (Identifier: MEM_FSP2_TCSPD_NS) |
[FSP0] tMRWPD | [FSP0] Delay from MRW Command to Power Down Entry in nanoseconds. (Identifier: MEM_FSP0_TMRWPD_NS) |
[FSP1] tMRWPD | [FSP1] Delay from MRW Command to Power Down Entry in nanoseconds. (Identifier: MEM_FSP1_TMRWPD_NS) |
[FSP2] tMRWPD | [FSP2] Delay from MRW Command to Power Down Entry in nanoseconds. (Identifier: MEM_FSP2_TMRWPD_NS) |
[FSP0] tZQPD | [FSP0] Delay from ZQ Calibration Start/Latch Command to Power Down Entry in nanoseconds. (Identifier: MEM_FSP0_TZQPD_NS) |
[FSP1] tZQPD | [FSP1] Delay from ZQ Calibration Start/Latch Command to Power Down Entry in nanoseconds. (Identifier: MEM_FSP1_TZQPD_NS) |
[FSP2] tZQPD | [FSP2] Delay from ZQ Calibration Start/Latch Command to Power Down Entry in nanoseconds. (Identifier: MEM_FSP2_TZQPD_NS) |
[FSP0] tESPD | [FSP0] Delay time from Self-Refresh Entry command to Power Down Entry command in nanoseconds. (Identifier: MEM_FSP0_TESPD_NS) |
[FSP1] tESPD | [FSP1] Delay time from Self-Refresh Entry command to Power Down Entry command in nanoseconds. (Identifier: MEM_FSP1_TESPD_NS) |
[FSP2] tESPD | [FSP2] Delay time from Self-Refresh Entry command to Power Down Entry command in nanoseconds. (Identifier: MEM_FSP2_TESPD_NS) |
tSR | Minimum Self-Refresh Time (Entry to Exit) in nanoseconds. (Identifier: MEM_TSR_NS) |
tXSR | Exit Self-Refresh time in nanoseconds. (Identifier: MEM_TXSR_NS) |
[FSP0] tMRR | [FSP0] Mode Register Read Command Period Time in nanoseconds. (Identifier: MEM_FSP0_TMRR_NS) |
[FSP1] tMRR | [FSP1] Mode Register Read Command Period Time in nanoseconds. (Identifier: MEM_FSP1_TMRR_NS) |
[FSP2] tMRR | [FSP2] Mode Register Read Command Period Time in nanoseconds. (Identifier: MEM_FSP2_TMRR_NS) |
[FSP0] tMRW | [FSP0] Mode Register Write Command Period Time in nanoseconds. (Identifier: MEM_FSP0_TMRW_NS) |
[FSP1] tMRW | [FSP1] Mode Register Write Command Period Time in nanoseconds. (Identifier: MEM_FSP1_TMRW_NS) |
[FSP2] tMRW | [FSP2] Mode Register Write Command Period Time in nanoseconds. (Identifier: MEM_FSP2_TMRW_NS) |
[FSP0] tMRD | [FSP0] Mode Register Set Command Period Time in nanoseconds. (Identifier: MEM_FSP0_TMRD_NS) |
[FSP1] tMRD | [FSP1] Mode Register Set Command Period Time in nanoseconds. (Identifier: MEM_FSP1_TMRD_NS) |
[FSP2] tMRD | [FSP2] Mode Register Set Command Period Time in nanoseconds. (Identifier: MEM_FSP2_TMRD_NS) |
tOSCO | Delay time from Stop WCK2DQI/WCK2DQO Interval Oscillator Command to Mode Register Readout time in nanoseconds. (Identifier: MEM_TOSCO_NS) |
tDQSCK | DQS output access time from CK in nanoseconds. (Identifier: MEM_TDQSCK_NS) |
Parameter Name | Description |
---|---|
Analog Parameter | Name of Analog Parameter to explicitly override; the values will be applied and appear in the list below. Default value is Legal values are: PHY_TERM_X_R_S_AC_OUTPUT_OHM, PHY_TERM_X_R_S_CK_OUTPUT_OHM, PHY_TERM_X_R_S_DQ_OUTPUT_OHM, PHY_TERM_X_DQ_SLEW_RATE, PHY_TERM_X_R_T_DQ_INPUT_OHM, PHY_TERM_X_DQ_VREF, PHY_TERM_X_R_T_REFCLK_INPUT_OHM, PHY_DFE_X_TAP_1, PHY_DFE_X_TAP_2, PHY_DFE_X_TAP_3, PHY_DFE_X_TAP_4, MEM_ODT_DQ_X_TGT_WR, MEM_ODT_DQ_X_NON_TGT, MEM_ODT_DQ_X_RON, MEM_ODT_DQ_X_WCK, MEM_VREF_DQ_X_VALUE, MEM_ODT_CA_X_CA_COMM, MEM_ODT_CA_X_CA_ENABLE, MEM_ODT_CA_X_CS_ENABLE, MEM_ODT_CA_X_CK_ENABLE, MEM_VREF_CA_X_CA_VALUE, MEM_DFE_X_TAP_1 (Identifier: ANALOG_PARAM_DERIVATION_PARAM_NAME) |
Parameter Name | Description |
---|---|
AC Drive Strength | This parameter allows you to change the input on chip termination settings for the selected I/O standard on the refclk input pins. Perform board simulation with IBIS models to determine the best settings for your design. Legal values are: SERIES_40_OHM_CAL (Identifier: PHY_TERM_X_R_S_AC_OUTPUT_OHM) |
CK Drive Strength | This parameter allows you to change the output on chip termination settings for the selected I/O standard on the CK Pins. Perform board simulation with IBIS models to determine the best settings for your design. Legal values are: SERIES_40_OHM_CAL (Identifier: PHY_TERM_X_R_S_CK_OUTPUT_OHM) |
DQ I/O Standard | Specifies the I/O electrical standard for the data bus pins. The selected I/O standard configures the circuit within the I/O buffer to match the industry standard. (Identifier: PHY_TERM_X_DQ_IO_STD_TYPE) |
FPGA DQ Drive Strength | This parameter allows you to change the output on chip termination settings for the selected I/O standard on the DQ Pins. Perform board simulation with IBIS models to determine the best settings for your design. Legal values are: SERIES_40_OHM_CAL (Identifier: PHY_TERM_X_R_S_DQ_OUTPUT_OHM) |
DQ Slew Rate | Specifies the slew rate of the data bus pins. The slew rate (or edge rate) describes how quickly the signal can transition, measured in voltage per unit time. Perform board simulations to determine the slew rate that provides the best eye opening for the data bus signals. Legal values are: SLOW, MEDIUM, FAST, FASTEST (Identifier: PHY_TERM_X_DQ_SLEW_RATE) |
DQ Input Termination | This parameter allows you to change the input on chip termination settings for the selected I/O standard on the DQ Pins. Perform board simulation with IBIS models to determine the best settings for your design. Legal values are: RT_40_OHM_CAL, RT_50_OHM_CAL, RT_60_OHM_CAL (Identifier: PHY_TERM_X_R_T_DQ_INPUT_OHM) |
DQ Initial Vrefin | Specifies the initial value for the reference voltage on the data pins(Vrefin). The specified value serves as a starting point and may be overridden by calibration to provide better timing margins. Legal values are: from 0.0 to 100.0 (Identifier: PHY_TERM_X_DQ_VREF) |
PLL Reference Clock Input Termination | This parameter allows you to change the input on chip termination settings for the selected I/O standard on the refclk input pins. Perform board simulation with IBIS models to determine the best settings for your design. Legal values are: RT_OFF, RT_DIFF (Identifier: PHY_TERM_X_R_T_REFCLK_INPUT_OHM) |
PHY DFE Tap 1 | This parameter allows you to select the amount of bias used on tap 1 of the FPGA DFE. Legal values are: 0, n1, n2, n3, n4, n5, n6, n7, n8, n9, n10, n11, n12, n13, n14, n15, n16, n17, n18, n19, n20, n21, n22, n23, n24, n25, n26, n27, n28, n29, n30, n31.
Note: Refer to Table 189 in the PHY DFE Tap Bias Values for LPDDR5 topic for actual bias values.
(Identifier: PHY_DFE_X_TAP_1) |
PHY DFE Tap 2 | This parameter allows you to select the amount of bias used on tap 2 of the FPGA DFE. Legal values are: p7, p6, p5, p4, p3, p2, p1, 0, n1, n2, n3, n4, n5, n6, n7, n8.
Note: Refer to Table 189 in the PHY DFE Tap Bias Values for LPDDR5 topic for actual bias values.
(Identifier: PHY_DFE_X_TAP_2) |
PHY DFE Tap 3 | This parameter allows you to select the amount of bias used on tap 3 of the FPGA DFE. Legal values are: p7, p6, p5, p4, p3, p2, p1, 0, n1, n2, n3, n4, n5, n6, n7, n8.
Note: Refer to Table 189 in the PHY DFE Tap Bias Values for LPDDR5 topic for actual bias values.
(Identifier: PHY_DFE_X_TAP_3) |
PHY DFE Tap 4 | This parameter allows you to select the amount of bias used on tap 4 of the FPGA DFE. Legal values are: p3, p2, p1, 0, n1, n2, n3, n4.
Note: Refer to Table 189 in the PHY DFE Tap Bias Values for LPDDR5 topic for actual bias values.
(Identifier: PHY_DFE_X_TAP_4) |
Target Write Termination | Specifies the target termination to be used during a write. The value of this parameter represents X, where: termination = RZQ/X = (240 Ohm)/X. Legal values are: off, 1, 2, 3, 4, 5, 6 (Identifier: MEM_ODT_DQ_X_TGT_WR) |
DQ Non-Target Termination | Specifies the termination to be used for the non-target rank in a multi-rank configuration. The value of this parameter represents X, where: termination = RZQ/X = (240 Ohm)/X. Legal values are: off, 1, 2, 3, 4, 5, 6 (Identifier: MEM_ODT_DQ_X_NON_TGT) |
Memory DQ Drive Strength | Specifies the termination to be used when driving read data from memory. The value of this parameter represents X, where: termination = RZQ/X = (240 Ohm)/X. Legal values are: 6, 5, 4, 3, 2, 1 (Identifier: MEM_ODT_DQ_X_RON) |
Data Clock Termination | Specifies the termination to be used for the data clock (WCK). The value of this parameter represents X, where: termination = RZQ/X = (240 Ohm)/X. Legal values are: off, 1, 2, 3, 4, 5, 6 (Identifier: MEM_ODT_DQ_X_WCK) |
VrefDQ Value | Specifies the initial VrefDQ value to be used. Legal values are: from 10.0 to 73.5 (Identifier: MEM_VREF_DQ_X_VALUE) |
CA Common Termination | Common termination value that can be applied to CA/CK. The value of this parameter represents X, where: termination = RZQ/X = (240 Ohm)/X. "off" means this termination is disabled. Legal values are: off, 1, 2, 3, 4, 5, 6 (Identifier: MEM_ODT_CA_X_CA_COMM) |
CA Termination Enable | Enable the common termination value on the CA bus. The value of this parameter represents X, where: termination = RZQ/X = (240 Ohm)/X. "off" means this termination is disabled. Legal values are: false, true (Identifier: MEM_ODT_CA_X_CA_ENABLE) |
CS Termination Enable | For LPDDR5, this enables the fixed-value 80 Ohm (RZQ/3) CS termination if it is supported by the memory. The value of this parameter represents X, where: termination = RZQ/X = (240 Ohm)/X. "off" means this termination is disabled. Legal values are: false, true (Identifier: MEM_ODT_CA_X_CS_ENABLE) |
CK Termination Enable | Enable the common termination value on the CK bus. The value of this parameter represents X, where: termination = RZQ/X = (240 Ohm)/X. "off" means this termination is disabled. Legal values are: false, true (Identifier: MEM_ODT_CA_X_CK_ENABLE) |
VrefCA Value | Specifies the initial VrefCA value to be used. Legal values are: from 10.0 to 73.5 (Identifier: MEM_VREF_CA_X_CA_VALUE) |
MEM DFE Tap 1 | This parameter allows you to select the amount of bias used on tap 1 of the memory DFE. Legal values are: 0, n1, n2, n3.
Note: Refer to Table 190 in the MEM DFE Tap Bias Values for LPDDR5 topic for actual bias values.
(Identifier: MEM_DFE_X_TAP_1) |
Parameter Name | Description |
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HDL Selection | This option lets you choose the format of HDL in which generated simulation and synthesis files are created. You can select either Verilog or VHDL. Default value is VERILOG Legal values are: VERILOG, VHDL (Identifier: EX_DESIGN_HDL_FORMAT) |
Generate Synthesis Fileset | Generate Synthesis Example Design. Default value is true (Identifier: EX_DESIGN_GEN_SYNTH) |
Generate Simulation Fileset | Generate Simulation Example Design. Default value is true (Identifier: EX_DESIGN_GEN_SIM) |
Parameter Name | Description |
---|---|
Auto-set User PLL Output Clock Frequency | if true, let IP select a reference clock frequency for the user PLL in the example design; if false, let user set a custom value for this parameter. Default value is true (Identifier: EX_DESIGN_USER_PLL_OUTPUT_FREQ_MHZ_AUTOSET_EN) |
User PLL Output Clock Frequency | Frequency of the core clock in MHz. This clock drives the traffic generator and NoC initiator (If in NoC mode). Default value is 570 (Identifier: EX_DESIGN_USER_PLL_OUTPUT_FREQ_MHZ) |
User PLL Reference Clock Frequency | PLL reference clock frequency in MHz for PLL supplying the core clock. Default value is 100 (Identifier: EX_DESIGN_USER_PLL_REFCLK_FREQ_MHZ) |
NOC Reference Clock Frequency | Reference Clock Frequency for the NOC control IP. Default value is 100 Legal values are: 25, 100, 125 (Identifier: EX_DESIGN_NOC_PLL_REFCLK_FREQ_MHZ) |
Parameter Name | Description |
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Traffic Generator Remote Access | Specifies whether the Traffic Generator control and status registers are accessible via JTAG, exported to the fabric, or just disabled. Default value is JTAG Legal values are: EXPORT, JTAG (Identifier: EX_DESIGN_TG_CSR_ACCESS_MODE) |
Traffic Generator Program | Specifies the traffic pattern to be run. Default value is MEDIUM Legal values are: SHORT, MEDIUM, LONG, INFINITE (Identifier: EX_DESIGN_TG_PROGRAM) |
Parameter Name | Description |
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Enable Performance Monitor for Channel 0 | If true, example design will include a Performance Monitor instance connected to Channel 0. Default value is false (Identifier: EX_DESIGN_PMON_CH0_EN) |
Enable Performance Monitor for Channel 1 | If true, example design will include a Performance Monitor instance connected to Channel 1. Default value is false (Identifier: EX_DESIGN_PMON_CH1_EN) |
Enable Performance Monitor for Channel 2 | If true, example design will include a Performance Monitor instance connected to Channel 2. Default value is false (Identifier: EX_DESIGN_PMON_CH2_EN) |
Enable Performance Monitor for Channel 3 | If true, example design will include a Performance Monitor instance connected to Channel 3. Default value is false (Identifier: EX_DESIGN_PMON_CH3_EN) |