参数资料
型号: MCF51QF128VLF
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: FLASH, 50 MHz, MICROCONTROLLER, PQFP48
封装: 7 X 7 MM, LQFP-48
文件页数: 3/72页
文件大小: 1031K
代理商: MCF51QF128VLF
consuming power. Examples are: if no system clock is present, or if clock rate is very low (which would reduce overall
power consumption).
5.2.2 LVD and POR operating requirements
Table 2. LVD and POR operating requirements
Symbol
Description
Min.
Typ.
Max.
Unit
Notes
VPOR
Falling VDD POR detect voltage
TBD
1.1
TBD
V
VLVDH
Falling low-voltage detect threshold — high
range (LVDV=01)
TBD
2.56
TBD
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)
TBD
2.70
2.80
2.90
3.00
TBD
V
VHYSH
Low-voltage inhibit reset/recover hysteresis —
high range
60
TBD
mV
VLVDL
Falling low-voltage detect threshold — low range
(LVDV=00)
TBD
1.60
TBD
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)
TBD
1.80
1.90
2.00
2.10
TBD
V
VHYSL
Low-voltage inhibit reset/recover hysteresis —
low range
40
TBD
mV
VBG
Bandgap voltage reference
TBD
1.00
TBD
V
tLPO
Internal low power oscillator period
factory trimmed
TBD
1000
TBD
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
TBD
1.1
TBD
V
Nonswitching electrical specifications
MCF51JF128 Advance Information Data Sheet, Rev. 3, 08/2011.
Freescale Semiconductor, Inc.
Preliminary
11
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