Timing Of Low-Voltage Detector Interrupt Signal Generation - NEC 78K0 User Manual

Figure 25-5. 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
<2>
LVIMK flag
(set by software)
LVIE flag
(set by software)
LVION flag
(set by software)
LVIF flag
INTLVI
LVIIF flag
Internal reset signal
Notes 1. The LVIMK flag is set to "1" by RESET input.
2. The LVIF and LVIIF flags may be set (1).
Remark <1> to <9> in Figure 25-5 above correspond to <1> to <9> in the description of "when starting operation"
in 25.4 (2) When used as interrupt.
CHAPTER 25 LOW-VOLTAGE DETECTOR
Note 1
<1>
<9> Cleared by software
<3>
<4> 2 ms or longer
<5>
<6> 0.2 ms or longer
<7>
Note 2
<8>
Cleared by software
Note 2
User's Manual U15947EJ2V0UD
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