Datasheet

78K0/Ix2 CHAPTER 28 ELECTRICAL SPECIFICATIONS
R01UH0010EJ0500 Rev.5.00 713
Feb 28, 2012
Caution The pins mounted depend on the product. Refer to Caution 2 at the beginning of this chapter.
28.5.8 LVI
(T
A = 40 to +105C, VPDR VDD 5.5 V, AVREF VDD, 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
Supply voltage level
V
LVI9 2.74 2.84 2.94 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
s
Detection delay time 200
s
Operation stabilization wait time
Note
tLWAIT 10
s
Note Time required from setting bit 7 (LVION) of the low-voltage detection register (LVIM) to 1 to operation stabilization
Remark VLVI (n 1) > VLVIn: n = 1 to 9
LVI Circuit Timing
Supply voltage
(V
DD
)
Time
Detection voltage (MIN.)
Detection voltage (TYP.)
Detection voltage (MAX.)
t
LW
t
LWAIT
LVION 1