Datasheet

78K0/Kx2-L CHAPTER 28 ELECTRICAL SPECIFICATIONS
R01UH0028EJ0400 Rev.4.00 765
Sep 27, 2010
Caution The pins mounted depend on the product. Refer to Caution 2 at the beginning of this chapter.
(6) Supply Voltage Rise Time
(T
A = −40 to +85°C, VSS = 0 V)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Maximum time to rise to 1.8 V (VDD (MIN.))
Note
(V
DD: 0 V → 1.8 V)
t
PUP1
LVI default start function stopped is
set (LVISTART (Option Byte) = 0),
when RESET input is not used
3.6 ms
Maximum time to rise to 1.8 V (VDD (MIN.))
Note
(releasing RESET input → V
DD: 1.8 V)
t
PUP2
LVI default start function stopped is
set (LVISTART (Option Byte) = 0),
when RESET input is used
1.9 ms
Note Make sure to raise the power supply in a shorter time than this.
Supply Voltage Rise Time Timing
• When RESET pin input is not used
• When RESET pin input is used (when external reset is
released by the RESET pin, after POC has been released)
1.8 V
0 V
POC i nternal
signal
t PUP1
Supply voltage
(V
DD )
Time
1.8 V
t PUP2
0 V
POC i nternal
signal
RESET pin
Internal reset
signal
Supply voltage
(V
DD )
Time