Datasheet

5.2.2 LVD and POR operating requirements
Table 2. V
DD
supply LVD and POR operating requirements
Symbol Description Min. Typ. Max. Unit Notes
V
POR
Falling VDD POR detect voltage 0.8 1.1 1.5 V
V
LVDH
Falling low-voltage detect threshold — high
range (LVDV=01)
2.48 2.56 2.64 V
V
LVW1H
V
LVW2H
V
LVW3H
V
LVW4H
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
V
V
V
1
V
HYSH
Low-voltage inhibit reset/recover hysteresis —
high range
— ±80 — mV
V
LVDL
Falling low-voltage detect threshold — low range
(LVDV=00)
1.54 1.60 1.66 V
V
LVW1L
V
LVW2L
V
LVW3L
V
LVW4L
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
V
V
V
1
V
HYSL
Low-voltage inhibit reset/recover hysteresis —
low range
— ±60 — mV
V
BG
Bandgap voltage reference 0.97 1.00 1.03 V
t
LPO
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
V
POR_VBAT
Falling VBAT supply POR detect voltage 0.8 1.1 1.5 V
General
K10 Sub-Family Data Sheet Data Sheet, Rev. 7, 02/2013.
12 Freescale Semiconductor, Inc.