Intel® Agilex™ Power Management User Guide

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ID 683373
Date 9/06/2022
Public
Document Table of Contents

4.2.1. Local Temperature Sensor

The Intel® Agilex™ local temperature sensors use built-in 11-bit ADCs and provide temperature readouts through the SDM mailbox. Each temperature sensor locations contain up to two local TSDs in the core fabric, or up to six TSDs in transceiver tiles .
Figure 7.  Intel® Agilex™ Local Temperature SensorThis figure is a block diagram of the local temperature sensors. For the physical locations of the sensors, refer to the related information.


The Intel® Agilex™ provides up to nine local temperature sensor locations for monitoring on-chip temperature:

  • Up to five temperature sensor locations in the core fabric—with a total of up to nine local TSDs among them—allow you to monitor the temperatures around the core fabric.
  • Up to six local temperature sensor locations, one in each transceiver tile, allow you to monitor the temperature of the transceiver tiles. The number of transceiver tiles varies among Intel® Agilex™ product lines and package options.

Catastrophic Trip Signal

The catastrophic trip signal, nCATTRIP, is an optional signal that you can assign to any unused SDM_IO pin. If enabled, the nCATTRIP signal asserts and stays high. When the core temperature reaches 120° C and higher, the nCATTRIP signal drives low—you must immediately power down the FPGA to avoid permanent damage to the device. The nCATTRIP signal is only valid after the device enters user mode.

Note: The catastrophic signal is not supported for the local TSD in the SDM location.
The number of local TSDs in each location for R-tile, F-tile, and E-tile transceivers are six, five, and four, respectively. Other types of transceiver tiles have only one local TSD per location.

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