General
Table 2. V
DD
supply LVD and POR operating requirements (continued)
Symbol
V
LVDH
Description
Falling low-voltage detect threshold — high
range (LVDV=01)
Low-voltage warning thresholds — high range
V
LVW1H
V
LVW2H
V
LVW3H
V
LVW4H
V
HYSH
V
LVDL
• Level 1 falling (LVWV=00)
• Level 2 falling (LVWV=01)
• Level 3 falling (LVWV=10)
• Level 4 falling (LVWV=11)
Low-voltage inhibit reset/recover hysteresis —
high range
Falling low-voltage detect threshold — low range
(LVDV=00)
Low-voltage warning thresholds — low range
V
LVW1L
V
LVW2L
V
LVW3L
V
LVW4L
V
HYSL
V
BG
t
LPO
• Level 1 falling (LVWV=00)
• Level 2 falling (LVWV=01)
• Level 3 falling (LVWV=10)
• Level 4 falling (LVWV=11)
Low-voltage inhibit reset/recover hysteresis —
low range
Bandgap voltage reference
Internal low power oscillator period — factory
trimmed
1.74
1.84
1.94
2.04
—
0.97
900
1.80
1.90
2.00
2.10
±60
1.00
1000
1.86
1.96
2.06
2.16
—
1.03
1100
V
V
V
V
mV
V
μs
2.62
2.72
2.82
2.92
—
1.54
2.70
2.80
2.90
3.00
±80
1.60
2.78
2.88
2.98
3.08
—
1.66
V
V
V
V
mV
V
Min.
2.48
Typ.
2.56
Max.
2.64
Unit
V
Notes
1. Rising thresholds are falling threshold + hysteresis voltage
Table 3. VBAT power operating requirements
Symbol
Description
Min.
0.8
Typ.
1.1
Max.
1.5
Unit
V
Notes
V
POR_VBAT
Falling VBAT supply POR detect voltage
K10 Sub-Family Data Sheet, Rev. 4 5/2012.
12
Freescale Semiconductor, Inc.
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
