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Thermal interface – Kontron COMe Starterkit Eval T2 User Manual

Page 143

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COM Express Interfaces

2.22.9.

Thermal Interface

COM Express provides the 'THRM#' and 'THRMTRIP#' signals, which are used for system
thermal management. In most current system platforms, thermal management is closely
associated with system power management. For more detailed information about the thermal
management capabilities of the COM Express Module, refer to the manufacturer's Module's
user's guide.

Table 47:

Thermal Management Signal Descriptions

Signal

Pin Description

I/O

Comment

THRM#

B35

Thermal Alarm active low signal generated by the external
hardware to indicate an over temperature situation. This
signal can be used to initiate thermal throttling.

I 3.3V
CMOS

THRMTRIP#

A35

Thermal Trip indicates an overheating condition of the
processor. If 'THRMTRIP#' goes active the system
immediately transitions to the S5 State (Soft Off).

O 3.3V
CMOS

PICMG

®

COM Express

®

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