MCF51JU128VHS FREESCALE [Freescale Semiconductor, Inc], MCF51JU128VHS Datasheet - Page 11

• Manufacturer Part Number: MCF51JU128VHS
• Description: MCF51JU128
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

5.2.2 LVD and POR operating requirements
1. Rising thresholds are falling threshold + hysteresis voltage
Freescale Semiconductor, Inc.
V
Symbol
Symbol
POR_VBAT
V
V
V
V
V
V
V
V
V
V
V
V
consuming power. Examples are: if no system clock is present, or if clock rate is very low (which would reduce overall
power consumption).
V
LVW1H
LVW2H
LVW3H
LVW4H
LVW1L
LVW2L
LVW3L
LVW4L
V
t
HYSH
LVDH
HYSL
LVDL
LPO
POR
BG
Falling VDD POR detect voltage
Falling low-voltage detect threshold — high
range (LVDV=01)
Low-voltage warning thresholds — high range
Low-voltage inhibit reset/recover hysteresis —
high range
Falling low-voltage detect threshold — low range
(LVDV=00)
Low-voltage warning thresholds — low range
Low-voltage inhibit reset/recover hysteresis —
low range
Bandgap voltage reference
Internal low power oscillator period
factory trimmed
Falling VBAT supply POR detect voltage
Description
Description
• Level 1 falling (LVWV=00)
• Level 2 falling (LVWV=01)
• Level 3 falling (LVWV=10)
• Level 4 falling (LVWV=11)
• Level 1 falling (LVWV=00)
• Level 2 falling (LVWV=01)
• Level 3 falling (LVWV=10)
• Level 4 falling (LVWV=11)
MCF51JU128 Advance Information Data Sheet, Rev. 1, 08/2011.
Table 2. LVD and POR operating requirements
Table 3. VBAT power operating requirements
Preliminary
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TBD
TBD
TBD
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Min.
Min.
1000
2.56
2.70
2.80
2.90
3.00
1.60
1.80
1.90
2.00
2.10
1.00
Typ.
Typ.
1.1
1.1
60
40
Nonswitching electrical specifications
Max.
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Max.
TBD
Unit
Unit
mV
mV
μs
V
V
V
V
V
V
V
V
V
V
V
V
V
Notes
Notes
1
1
11