Stratix® 10 Power Management User Guide

ID 683418
Date 7/08/2024
Public
Document Table of Contents

2.4.1. Power-Up Sequence Requirements for Stratix® 10 Devices

Note: To satisfy the power-up requirements, program the FPGA device immediately after the power-up sequence completes.

The power rails in Stratix® 10 devices are each divided into three groups. Refer to the Stratix® 10 Device Family Pin Connection Guidelines and AN692: Power Sequencing Considerations for Cyclone® 10 GX, Arria® 10, and Stratix® 10 Devices for additional details.

The diagram below illustrates the voltage groups of the Stratix® 10 devices and their required power-up sequence.

Figure 10. Power-Up Sequence for Stratix® 10 Devices
Note: VCCBAT is not in any of the groups below. VCCBAT does not have any sequence requirements. VCCBAT holds the contents of the security keys.
Table 9.  Voltage Rails
Power Group Stratix® 10 GX and SX (L-Tile and H-Tile) Stratix® 10 MX (HBM, H-Tile, and E-Tile) Stratix® 10 TX (H-Tile and E-Tile) Stratix® 10 DX (E-Tile and P-Tile)
Group 1

VCC

VCCP

VCCERAM

VCCR_GXB

VCCT_GXB

VCCL_HPS

VCCPLLDIG_SDM

VCCPLLDIG_HPS

VCC

VCCP

VCCERAM

VCCR_GXB

VCCT_GXB

VCCPLLDIG_SDM

VCCRT_GXE

VCCRTPLL_GXE

VCC

VCCP

VCCERAM

VCCR_GXB

VCCT_GXB

VCCL_HPS

VCCPLLDIG_SDM

VCCPLLDIG_HPS

VCCRT_GXE

VCCRTPLL_GXE

VCC

VCCP

VCCERAM

VCCFUSE_GXP 12

VCCRT_GXP

VCCL_HPS

VCCPLLDIG_SDM

VCCPLLDIG_HPS

VCCRT_GXE

VCCRTPLL_GXE

Group 2

VCCPT

VCCH_GXB

VCCA_PLL

VCCPLL_HPS

VCCPLL_SDM

VCCADC

VCCPT

VCCH_GXB

VCCA_PLL

VCCPLL_SDM

VCCADC

VCCM_WORD 13

VCCH_GXE

VCCCLK_GXE

VCCPT

VCCH_GXB

VCCA_PLL

VCCPLL_HPS

VCCPLL_SDM

VCCADC

VCCH_GXE

VCCCLK_GXE

VCCPT

VCCA_PLL

VCCPLL_HPS

VCCPLL_SDM

VCCADC

VCCM_WORD 13

VCCH_GXP

VCCCLK_GXP

VCCH_GXE

VCCCLK_GXE

Group 3

VCCIO 14

VCCIO3V 14

VCCIO_SDM 14

VCCIO_HPS 14

VCCFUSEWR_SDM

VCCIO3D 15

VCCIO

VCCIO3V

VCCIO_SDM

VCCIO_UIB 13

VCCFUSEWR_SDM

VCCIO

VCCIO3V

VCCIO_SDM

VCCIO_HPS

VCCFUSEWR_SDM

VCCIO

VCCIO_SDM

VCCIO_HPS

VCCIO_UIB 13

VCCFUSEWR_SDM

Group 4

VCCIO3C 15

All power rails in Group 1 must ramp up (in any order) to a minimum of 90% of their respective nominal voltage before the power rails from Group 2 can start ramping up.

The power rails within Group 2 can ramp up in any order after the last power rail in Group 1 ramps to the minimum threshold of 90% of its nominal voltage. All power rails in Group 2 must ramp to a minimum threshold of 90% of their nominal value before the Group 3 power rails can start ramping up.

The power rails within Group 3 can ramp up in any order after the last power rail in Group 2 ramps up to a minimum threshold of 90% of their full value.

Group 4 power rails can ramp up after the last power rail in Group 3 ramps up to a minimum threshold of 90% of their full value.

Note: E-tile devices must maintain the voltage rail groupings for the power-up sequencing as listed in the table above. VCCCLK_GXE must be powered up before VCCIO_SDM.
Note: For 1SG040 and 1SX040 devices, VCCIO_3D must be powered up before VCCIO_3C.
Note: Ensure that the newly combined power rails do not cause any driving of unpowered GPIO or transceiver pins.

All power rails must ramp up monotonically. The power-up sequence should meet either the standard or the fast POR delay time. The POR delay time depends on the POR delay setting you use. For the POR specifications of the Stratix® 10 devices, refer to the POR Specifications section in the Stratix® 10 Device Datasheet .

For configuration via protocol (CvP), the total tRAMP must be less than 10 ms from the first power supply ramp-up to the last power supply ramp-up. Select a fast POR delay setting to allow sufficient time for the PCI Express* ( PCIe* ) link initialization and configuration. For more details about power supply ramp up for the CvP mode, refer to the Stratix® 10 Configuration via Protocol (CvP) Implementation User Guide.

12 You must always connect VCCFUSE_GXP to VCCERAM on your board.
13 Applies to Stratix® 10 MX and DX devices only.
14 For Stratix® 10 GX and SX devices, these power rails can be combined and shared using the same voltage regulator as the Group 2 power rail VCCPT if all their voltages are 1.8V.
15 Applies to the 1SG040 and 1SX040 devices only.