Electrical characteristics
VDD
VDDMIN
nRSTIN
VIH
VIL
device reset forced by nRSTIN
device start-up phase
VRSTIN
VDD
Figure 6. Start-up reset requirements
hw_rst
‘1’
VIH
VIL
‘0’
filtered by filtered by
hysteresis lowpass filter
filtered by
unknown reset
lowpass filter state
device under hardware reset
WFRST
WFRST
WNFRST
Figure 7. Noise filtering on reset signal
MPC5607B Microcontroller Data Sheet, Rev. 3
28
Freescale Semiconductor
Preliminary—Subject to Change Without Notice