NXP Semiconductors MPC5777M - Page 45

Electrical characteristics
MPC5777M Microcontroller Data Sheet, Rev. 6
NXP Semiconductors 45
Figure 11. Noise filtering on reset signal
Table 20. Reset electrical characteristics
Symbol Parameter Conditions
Value
1
Unit
Min Typ Max
V
IH
SR Input high level TTL
(Schmitt trigger)
—
2.2 — V
DD_HV_IO
+0.4
V
V
IL
SR Input low level TTL
(Schmitt trigger)
— –0.4 — 0.8 V
V
HYS
CC Input hysteresis TTL
(Schmitt trigger)
—300——mV
V
DD_POR
CC Minimum supply for strong
pull-down activation
———1.2V
V
IL
V
IH
V
DD
filtered by
hysteresis
filtered by
lowpass filter
W
FRST
W
NFRST
filtered by
lowpass filter
W
FRST
unknown reset
state
device under hardware reset
internal
reset
1 2 3a 3b 3c
V
HYS
V
PORST,
V
ESR0