R01UH0823EJ0100 Rev.1.00
Page 166 of 1823
Jul 31, 2019
RX23W Group
8. Voltage Detection Circuit (LVDAb)
Figure 8.4
Example of Voltage Monitoring 1 Interrupt Operation
Vdet1
VCC
Lower limit on VCC voltage (VCCmin)
LVD1DET bit
Voltage monitoring 1
interrupt request
LVD1DET bit
LVD1DET bit
Voltage monitoring 1
interrupt request
Set to 0 by a program
Set to 0 by a program
Set to 0 by a program
Voltage monitoring 1
interrupt request
LVD1IDTSEL[1:0] bits are set to 10b
(when drop and rise are detected)
LVD1IDTSEL[1:0] bits are set to 00b
(when rise is detected).
LVD1IDTSEL[1:0] bits are set to 01b
(when drop is detected).