CHAPTER 14 LOW-VOLTAGE DETECTOR
User’s Manual U18172EJ2V0UD
205
Figure 14-5. Timing of Low-Voltage Detector Interrupt Signal Generation
<2>
<1>
Note 1
<3>
<5>
Note 2
Note 2
Supply voltage (V
DD
)
LVI detection voltage
(V
LVI
)
POC detection voltage
(V
POC
)
LVIF flag
INTLVI
LVIIF flag
Internal reset signal
LVIMK flag
(set by software)
LVION flag
(set by software)
Time
<6>
Cleared by software
<7> Cleared by software
<4> 0.2 ms or longer
Note 2
Notes 1.
The LVIMK flag is set to “1” by reset signal generation.
2.
An interrupt request signal (INTLVI) may be generated, and the LVIF and LVIIF flags may be set to 1.
Remark
<1> to <7> in Figure 14-5 above correspond to <1> to <7> in the description of “when starting operation”
in
14.4 (2) When used as interrupt
.