LS1012A datasheet(31/39 Pages) NXP

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2.18 Temperature

LS1012A has an on-die TMU module that can be used for temperature measurements.

LS1012A also has a thermal diode on the die, which allows direct temperature

measurement. The internal temperature monitor in LS1012A is used for reading the die

temperature, and trigger software interrupts upon thermal over-temperature conditions.

These temperature warnings and alarm signals are used by software running on LS1012A

to reduce the power dissipation and protect DUT from over-temperature failure.

2.19 Power-monitoring LEDs

The board includes LEDs, for power or reset monitoring, which inform the user about the

status of different power rails, resets, and board faults. The FRWY-LS1012A LEDs are

listed in the following table.

Table 2-13. FRWY-LS1012A connector LEDs

LED legend

Description (when LED is ON)

Reference

designator

LED color

USB VBUS ON

Indicates that USB 5 V power is available on the USB 3.0

Connector (J5)

Green

SDA_LED

Indicates SDA (K20) is active

Green

PORST

DUT is in reset (PORESET is asserted)

Red

M.2 LED1

Status indicator for M.2 Type-E add-in card

D13

Green

Chapter 2 FRWY-LS1012A Functional Description

Layerscape LS1012A Freeway (FRWY-LS1012A) Board Reference Manual, Rev. 0, 04/2018

NXP Semiconductors

LS1012A Datasheet(PDF) 31 Page - NXP Semiconductors