MK20DX32CLQ15 Просмотр технического описания (PDF) - Freescale Semiconductor

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MK20DX32CLQ15

K20 Sub-Family

Freescale Semiconductor 

General

5.2.2 LVD and POR operating requirements

Table 2. VDD supply LVD and POR operating requirements

Symbol Description

Min.

Typ.

Max.

Unit

VPOR

VLVDH

Falling VDD POR detect voltage

Falling low-voltage detect threshold — high

range (LVDV=01)

0.8

1.1

1.5

V

2.48

2.56

2.64

V

Low-voltage warning thresholds — high range

VLVW1H

VLVW2H

VLVW3H

VLVW4H

• Level 1 falling (LVWV=00)

• Level 2 falling (LVWV=01)

• Level 3 falling (LVWV=10)

• Level 4 falling (LVWV=11)

2.62

2.70

2.78

V

2.72

2.80

2.88

V

2.82

2.90

2.98

V

2.92

3.00

3.08

V

VHYSH Low-voltage inhibit reset/recover hysteresis —

—

±80

—

mV

high range

VLVDL Falling low-voltage detect threshold — low range 1.54

1.60

1.66

V

(LVDV=00)

Low-voltage warning thresholds — low range

VLVW1L

VLVW2L

VLVW3L

VLVW4L

• Level 1 falling (LVWV=00)

• Level 2 falling (LVWV=01)

• Level 3 falling (LVWV=10)

• Level 4 falling (LVWV=11)

1.74

1.80

1.86

V

1.84

1.90

1.96

V

1.94

2.00

2.06

V

2.04

2.10

2.16

V

VHYSL Low-voltage inhibit reset/recover hysteresis —

—

±60

—

mV

low range

VBG Bandgap voltage reference

0.97

1.00

1.03

V

tLPO Internal low power oscillator period — factory

900

1000

1100

μs

trimmed

1. Rising thresholds are falling threshold + hysteresis voltage

Table 3. VBAT power operating requirements

Symbol Description

VPOR_VBAT Falling VBAT supply POR detect voltage

Min.

Typ.

Max.

Unit

0.8

1.1

1.5

V

Notes

1

1

Notes

K20 Sub-Family Data Sheet Data Sheet, Rev. 6, 9/2011.

Freescale Semiconductor, Inc.

13

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