Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs

ID 814346
Date 4/01/2024
Public

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4.3.4.3.2.4. LPI Interfaces for TBU

There are two Q-Channels that are part of the TBU:

  • LPI power-down interface
  • LPI clock gate interface

For Agilex™ 5, low-power interface is not used. The following table shows the low-power interface connectivity.

Table 85.  TBU Low-power Interface connectivity

Signal Name

IO

Connectivity

Description

qactive_pd

O

Open

Component Active

qdeny_pd

O

Open

Quiescence deny

qacceptn_pd

O

Open

Quiescence accept

qreqn_pd

I

1’b1

Quiescence request

qactive_cg

O

Open

Component Active

qdeny_cg

O

Open

Quiescence deny

qacceptn_cg

O

Open

Quiescence accept

qreqn_cg

I

1’b1

Quiescence request