K20P144M120SF3_1210 Datasheet, PDF (14/86 Pages) Freescale Semiconductor, Inc – K20 Sub-Family

General
Table 2. LVD and POR operating requirements (continued)
Symbol Description
Min.
Typ.
Max.
Unit
Low-voltage warning thresholds — high range
V_LVW1H
V_LVW2H
V_LVW3H
V_LVW4H
• Level 1 falling (LVWV=00)
• Level 2 falling (LVWV=01)
• Level 3 falling (LVWV=10)
• Level 4 falling (LVWV=11)
2.62
2.70
2.78
V
2.72
2.80
2.88
V
2.82
2.90
2.98
V
2.92
3.00
3.08
V
V_HYSH Low-voltage inhibit reset/recover hysteresis —
—
±80
—
mV
high range
V_LVDL Falling low-voltage detect threshold — low range
1.54
1.60
1.66
V
(LVDV=00)
Low-voltage warning thresholds — low range
V_LVW1L
V_LVW2L
V_LVW3L
V_LVW4L
• Level 1 falling (LVWV=00)
• Level 2 falling (LVWV=01)
• Level 3 falling (LVWV=10)
• Level 4 falling (LVWV=11)
1.74
1.80
1.86
V
1.84
1.90
1.96
V
1.94
2.00
2.06
V
2.04
2.10
2.16
V
V_HYSL Low-voltage inhibit reset/recover hysteresis —
—
±60
—
mV
low range
V_BG Bandgap voltage reference
t_LPO Internal low power oscillator period
0.97
1.00
1.03
V
900
1000
1100
μs
factory trimmed
1. Rising thresholds are falling threshold + hysteresis voltage
Table 3. VBAT power operating requirements
Symbol Description
V_{POR_VBAT} Falling VBAT supply POR detect voltage
Min.
Typ.
Max.
Unit
0.8
1.1
1.5
V
Notes
1
1
Notes
5.2.3 Voltage and current operating behaviors
Table 4. Voltage and current operating behaviors
Symbol
V_OH
Description
Output high voltage — high drive strength
• 2.7 V ≤ V_DD ≤ 3.6 V, I_OH = -9mA
• 1.71 V ≤ V_DD ≤ 2.7 V, I_OH = -3mA
Min.
V_DD – 0.5
V_DD – 0.5
Max.
—
—
Unit
V
V
Output high voltage — low drive strength
• 2.7 V ≤ V_DD ≤ 3.6 V, I_OH = -2mA
• 1.71 V ≤ V_DD ≤ 2.7 V, I_OH = -0.6mA
V_DD – 0.5
—
V
V_DD – 0.5
—
V
Table continues on the next page...
Notes
K20 Sub-Family Data Sheet, Rev. 4, 10/2012.
14
Freescale Semiconductor, Inc.