Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs

ID 814346
Date 7/19/2024
Public
Document Table of Contents

4.3.4.3.1.3. LPI Interfaces for TCU

There are two Q-Channels that are part of the TCU.

  • LPI Powerdown interface
  • LPI Clock Gate interface

However, these are unused in Agilex™ 5 and the interfaces are tied off as shown in the following table.

Table 83.  TCU 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