PXD10 datasheet(71/130 Pages) FREESCALE

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Electrical characteristics

PXD10 Microcontroller Data Sheet, Rev. 1

Freescale Semiconductor

3.7.2

Voltage monitor electrical characteristics

The device implements a Power-on Reset (POR) module to ensure correct power-up initialization, as well

as four low voltage detectors (LVDs) to monitor the VDD and the VDD12 voltage while device is supplied:

•

POR monitors VDD during the power-up phase to ensure device is maintained in a safe reset state

•

LVDHV3 monitors VDD to ensure device reset below minimum functional supply

•

LVDHV5 monitors VDD when application uses device in the 5.0 V ± 10% range

•

LVDLVCOR monitors power domain No. 1

•

LVDLVBKP monitors power domain No. 0

3.7.3

Low voltage domain power consumption

Table 25 provides DC electrical characteristics for significant application modes. These values are

indicative values; actual consumption depends on the application.

CC D Power supply rejection

@ DC @ no load

—

any frequency @ no load

@ DC @ max load

any frequency @ max

load

CC D Load current transient

—

10 to 90

A in

s

Table 24. Low voltage monitor electrical characteristics

Symbol

Parameter

Conditions1

NOTES:

1 V

DD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 105 °C, unless otherwise specified

Value

Unit

Min

Typ

Max

VPORH

P Power-on reset threshold

—

1.5

—

2.6

VLVDHV3H

P LVDHV3 low voltage detector high threshold

—

2.9

VLVDHV5H

P LVDHV5 low voltage detector high threshold

—

4.4

VLVDHV3L

P LVDHV3 low voltage detector low threshold

—

2.6

—

VLVDHV5L

P LVDHV5 low voltage detector low threshold

—

3.8

—

VLVDLVCORH CC P LVDLVCOR low voltage detector high threshold

TA = 25 °C,

after trimming

—

1.14

VLVDLVCORL CC P LVDLVCOR low voltage detector low threshold

1.08

—

Table 23. Ultra-low-power voltage regulator electrical characteristics (continued)

Symbol

Parameter

Conditions

Value

Unit

Min

Typ

Max

PXD10 Datasheet(PDF) 71 Page - Freescale Semiconductor, Inc

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