Datasheet

Section 19 Band-Gap Circuit, Power-On Reset, and Low-Voltage Detection Circuits
Rev. 3.00 Sep. 10, 2007 Page 391 of 528
REJ09B0216-0300
LVDINT
Vexd
V
SS
V reset1
LVDDF
LVDUE
LVDUF
LVDDE
(1)
(2)
(3)
(4)
IRQ0 interrupt
generated
External power
supply voltage
ExtD input voltage
ExtU input voltage
IRQ0 interrupt
generated
Figure 19.6 Operational Timing of LVDI Circuit (When Compared Voltage is Input
through ExtU and ExtD Pins)