RL78/G1P
CHAPTER 27 ELECTRICAL SPECIFICATIONS
R01UH0895EJ0100 Rev.1.00
742
Nov 29, 2019
27.6.4 POR circuit characteristics
(T
A
=
40 to +85
C, V
SS
= 0 V)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Detection voltage
V
POR
Power supply rise time
1.47
1.51
1.55
V
V
PDR
Power supply fall time
1.46
1.50
1.54
V
Minimum pulse width
Note
T
PW
300
s
Note
Minimum time required for a POR reset when V
DD
exceeds below V
PDR
. This is also the minimum time required for
a POR reset from when V
DD
exceeds below 0.7 V to when V
DD
exceeds V
POR
while STOP mode is entered or the
main system clock is stopped through setting bit 0 (HIOSTOP) and bit 7 (MSTOP) in the clock operation status
control register (CSC).
Supply voltage (V
DD
)
V
PDR
or 0.7 V
T
PW
V
POR