58.7.4 VDDBU Power-On-Reset

Table 58-41. VDDBU POR Characteristics
Symbol Parameter Conditions Min Typ Max Unit
VDDBU Supply voltage range (VDDBU) – – – 3.6 V
VIT- Negative-going input threshold voltage (VDDBU) Measured with a -10V/s ramp rate 1.38 – 1.51 V
VIT+ Positive-going input threshold voltage (VDDBU) Measured with a +10V/s ramp rate 1.42 – 1.55 V
Vhys Hysteresis voltage(1) – 25 – 45 mV
tRES Reset time – 1.2 – 3.3 ms
tDET- VIT- detection propagation time(2) 100 mV threshold overdrive – – 6 µs
Note:
  1. Vhys = VIT+ - VIT-
  2. Simulation data

Figure 58-34. VDDIN33/VDDCORE/VDDBU Power-On Reset Characteristics