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MCF51JU32VHS bảng dữ liệu(PDF) 11 Page - Freescale Semiconductor, Inc |
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MCF51JU32VHS bảng dữ liệu(HTML) 11 Page - Freescale Semiconductor, Inc |
11 / 71 page 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 TBD TBD TBD 2.70 2.80 2.90 3.00 TBD TBD TBD TBD V V V V 1 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 TBD TBD TBD 1.80 1.90 2.00 2.10 TBD TBD TBD TBD V V V V 1 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 Nonswitching electrical specifications MCF51JU128 Advance Information Data Sheet, Rev. 0, 05/2011. Freescale Semiconductor, Inc. Preliminary 11 |
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