
CHAPTER 28 ELECTRICAL SPECIFICATIONS
User’s Manual U19780EJ2V0UD
651
Caution The pins mounted depend on the product. Refer to Caution 2 at the beginning of this chapter.
LVI Circuit Characteristics (T
A
=
−
40 to +85
°
C, V
POC
≤
V
DD
≤
5.5 V, AV
REFP
≤
AV
DD
≤
V
DD
, V
SS
= 0 V)
Parameter Symbol Conditions
MIN.
TYP.
MAX.
Unit
V
LVI0
4.14 4.24 4.34 V
V
LVI1
3.99 4.09 4.19 V
V
LVI2
3.83 3.93 4.03 V
V
LVI3
3.68 3.78 3.88 V
V
LVI4
3.52 3.62 3.72 V
V
LVI5
3.37 3.47 3.57 V
V
LVI6
3.22 3.32 3.42 V
V
LVI7
3.06 3.16 3.26 V
V
LVI8
2.91 3.01 3.11 V
V
LVI9
2.75 2.85 2.95 V
V
LVI10
2.60 2.70 2.80 V
V
LVI11
2.45 2.55 2.65 V
V
LVI12
2.29 2.39 2.49 V
V
LVI13
2.14 2.24 2.34 V
V
LVI14
1.98 2.08 2.18 V
Supply voltage level
V
LVI15
1.83 1.93 2.03 V
Detection
voltage
External input pin
Note 1
EXLVI
EXLVI < V
DD
, 1.8 V
≤
V
DD
≤
5.5 V
1.11
1.21
1.31
V
Minimum pulse width
t
LW
200
μ
s
Operation stabilization wait time
Note 2
t
LWAIT
10
μ
s
Notes 1.
The EXLVI/P120/INTP0 pin is used.
2.
Time required from setting bit 7 (LVION) of the low-voltage detection register (LVIM) to 1 to operation
stabilization. Program the software to make the system wait for this time or longer.
Remark
V
LVI(n
−
1)
> V
LVIn
: n = 1 to 15
LVI Circuit Timing
Supply voltage
(V
DD
)
Time
Detection voltage (MIN.)
Detection voltage (TYP.)
Detection voltage (MAX.)
t
LW
t
LWAIT
LVION
←
1