5.2.2 LVD and POR operating requirements
Table 2. VDD supply LVD and POR operating requirements
Symbol
Description
Min.
Typ.
Max.
Unit
Notes
VPOR
Falling VDD POR detect voltage
0.8
1.1
1.5
V
VLVDH
Falling low-voltage detect threshold — high
range (LVDV=01)
2.48
2.56
2.64
V
VLVW1H
VLVW2H
VLVW3H
VLVW4H
Low-voltage warning thresholds — high range
Level 1 falling (LVWV=00)
Level 2 falling (LVWV=01)
Level 3 falling (LVWV=10)
Level 4 falling (LVWV=11)
2.62
2.72
2.82
2.92
2.70
2.80
2.90
3.00
2.78
2.88
2.98
3.08
V
VHYSH
Low-voltage inhibit reset/recover hysteresis —
high range
—
±80
—
mV
VLVDL
Falling low-voltage detect threshold — low range
(LVDV=00)
1.54
1.60
1.66
V
VLVW1L
VLVW2L
VLVW3L
VLVW4L
Low-voltage warning thresholds — low range
Level 1 falling (LVWV=00)
Level 2 falling (LVWV=01)
Level 3 falling (LVWV=10)
Level 4 falling (LVWV=11)
1.74
1.84
1.94
2.04
1.80
1.90
2.00
2.10
1.86
1.96
2.06
2.16
V
VHYSL
Low-voltage inhibit reset/recover hysteresis —
low range
—
±60
—
mV
VBG
Bandgap voltage reference
0.97
1.00
1.03
V
tLPO
Internal low power oscillator period — factory
trimmed
900
1000
1100
μs
1. Rising thresholds are falling threshold + hysteresis voltage
Table 3. VBAT power operating requirements
Symbol
Description
Min.
Typ.
Max.
Unit
Notes
VPOR_VBAT Falling VBAT supply POR detect voltage
0.8
1.1
1.5
V
General
K60 Sub-Family Data Sheet Data Sheet, Rev. 7, 02/2013.
14
Freescale Semiconductor, Inc.