74.7.5 VBAT Power-On Reset

Table 74-49. VBAT POR Characteristics
Symbol Parameter Conditions Min Max Unit
VBAT Supply voltage range (VBAT) – 0.6 3.6 V
VIT- Negative-going input threshold voltage (VBAT)(1) Measured with a -10V/s ramp rate 1.40 1.57 V
VIT+ Positive-going input threshold voltage (VBAT)(1) Measured with a +10V/s ramp rate 1.42 1.59 V
Vhys Hysteresis voltage(1)(2) – 30 60 mV
tRES Reset time(1) – – 9 ms
tDET- VIT- detection propagation time(1) 100 mV threshold overdrive – 460 µs
Note:
  1. Simulation data
  2. Vhys = VIT+ - VIT-
Figure 74-43. VDDIN33/VDDCORE/VDDCPU/VBAT Power-On Reset Characteristics