Datasheet

Section 14 Power-On Reset and Low-Voltage Detection Circuits (H8/38124 Group Only)
Rev. 8.00 Mar. 09, 2010 Page 443 of 658
REJ09B0042-0800
LVDINTD
extD input voltage
extU input voltage
Vreset1
Vexd
(4)
(3)
(2)
(1)
V
SS
LVDINTU
LVDDF
IRQ0 interrupt
generated
IRQ0 interrupt
generated
LVDUF
External power
supply voltage
Figure 14.5 Operational Timing of Low-Voltage Detection Interrupt Circuit
(Using Pins Vref, extD, and extU)