Datasheet

3.5 Functional reset pad electrical specifications
The device implements a dedicated bidirectional RESET pin.
V
IL
V
DD_HV_IOx
device reset forced by PORST
V
DDMIN
PORST
V
IH
device start-up phase
A
A
A
A
Figure 2. Start-up reset requirements
V
PORST
V
IL
V
IH
V
DD_HV_IO
filtered by
hysteresis
filtered by
lowpass filter
W
FRST
W
NFRST
hw_rst
‘1’
‘0’
filtered by
lowpass filter
W
FRST
unknown reset
state
device under hardware reset
A
Figure 3. Noise filtering on reset signal
I/O parameters
MPC5748G Microcontroller Datasheet Data Sheet, Rev. 2, 05/2014.
20
Preliminary
Freescale Semiconductor, Inc.