CHAPTER 22 LOW-VOLTAGE DETECTOR
Preliminary User’s Manual U16315EJ1V0UD
377
Figure 22-5. Timing of Low-Voltage Detector Interrupt Signal Generation
Supply voltage (V
DD
)
LVI detection voltage
(V
LVI
)
POC detection voltage
(V
POC
)
2.7 V
Time
LVIF flag
INTLVI
LVIIF flag
Internal reset signal
<2>
<1>
<5>
<7>
<8>
Cleared by software
<3>
<4> 2 ms or longer
<9> Cleared by software
<6> 0.2 ms or longer
LVIMK flag
(set by software)
LVIE flag
(set by software)
LVION flag
(set by software)
Remark
<1> to <9> in Figure 22-5 above correspond to <1> to <9> in the description of “when starting operation”
in
22.4 (2) When used as interrupt
.