NEC V850ES/KE1+ User Manual page 673

32-bit single-chip microcontrollers
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Power-on-Clear Circuit Characteristics
= −40 to +85°C, V
(T
<R>
A
Parameter
Detection voltage
Power supply rise time
Response time 1
Response time 2
Minimum pulse width
Notes 1. Time from when the detection voltage (V
2. Time from when the detection voltage (V
Power-on-Clear Circuit Timing
Detection voltage (MAX.)
Detection voltage (TYP.)
Detection voltage (MIN.)
CHAPTER 28 ELECTRICAL SPECIFICATIONS
, 2.7 V ≤ V
= EV
= AV
DD
DD
REF0
Symbol
V
POC
= 0 → 2.5 V
t
<122>
V
PTH
DD
Note 1
After voltage reaches detection
t
<123>
PTHD
voltage (MAX.) on power application
Note 2
t
<124>
When power supply drops
PD
t
<125>
PW
Supply voltage
(V
)
DD
<122>
, V
= EV
= AV
DD
SS
SS
SS
Conditions
) is detected until the reset signal (POCRES) is released
POC
) is detected until the reset signal (POCRES) is generated
POC
<123>
User's Manual U16896EJ2V0UD
= 0 V, C
= 50 pF)
L
MIN.
TYP.
MAX.
2.5
2.6
2.7
3
3.0
1.0
0.2
<124>
<125>
Time
Unit
V
μ
s
ms
ms
ms
673

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