Datasheet
78K0/Kx2-L CHAPTER 28 ELECTRICAL SPECIFICATIONS
R01UH0028EJ0400 Rev.4.00 766
Sep 27, 2010
Caution The pins mounted depend on the product. Refer to Caution 2 at the beginning of this chapter.
(7) LVI
(T
A = −40 to +85°C, VPDR ≤ VDD ≤ 5.5 V, VSS =0 V)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
VLVI0 4.12 4.22 4.32 V
VLVI1 3.97 4.07 4.17 V
VLVI2 3.82 3.92 4.02 V
VLVI3 3.66 3.76 3.86 V
VLVI4 3.51 3.61 3.71 V
VLVI5 3.35 3.45 3.55 V
VLVI6 3.20 3.30 3.40 V
VLVI7 3.05 3.15 3.25 V
VLVI8 2.89 2.99 3.09 V
VLVI9 2.74 2.84 2.94 V
VLVI10 2.58 2.68 2.78 V
VLVI11 2.43 2.53 2.63 V
VLVI12 2.28 2.38 2.48 V
VLVI13 2.12 2.22 2.32 V
VLVI14 2.00 2.07 2.14 V
Supply voltage level
V
LVI15 1.81 1.91 2.01 V
External input pin
Note 1
EXLVI EXLVI < VDD, 1.8 V ≤ VDD ≤ 5.5 V 1.11 1.21 1.31 V
Detection
voltage
Supply voltage when
power supply voltage
is turned on
V
DDLVI
When LVI default start function enabled
is set (LVISTART = 1)
1.81 1.91 2.01 V
Minimum pulse width tLW 200
μ
s
Detection delay time 200
μ
s
Operation stabilization wait time
Note 2
tLWAIT 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
Remark V
LVI(n − 1) > VLVIn: n = 1 to 15
LVI Circuit Timing
Supply voltage
(V
DD)
Time
Detection voltage (MIN.)
Detection voltage (TYP.)
Detection voltage (MAX.)
tLW
tLWAIT
LVION ← 1