HD64F38024HV Datasheet, PDF (457/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

Section 14 Power-On Reset and Low-Voltage Detection Circuits (H8/38124 Group Only)
Bit 3—LVDR Detection Level Select (LVDSEL)
This bit is used to select the LVDR detection level. Select 2.3 V (typical) reset if voltage rise and
drop detection interrupts are to be used. For reset detection only, Select 3.3 V (typical) reset.
Bit 3
LVDSEL
0
1
Description
Reset detection voltage 2.3 V (typ.)
Reset detection voltage 3.3 V (typ.)
(initial value)
Bit 2—LVDR Enable (LVDRE)
This bit is used to control whether resets triggered by LVDR are enabled or disabled.
Bit 2
LVDRE
0
1
Description
LVDR resets disabled
LVDR resets enabled
(initial value)
Bit 1—Voltage Drop Interrupt Enable (LVDDE)
This bit is used to control whether voltage drop interrupt requests are enabled or disabled.
Bit 1
LVDDE
0
1
Description
Voltage drop interrupt requests disabled
Voltage drop interrupt requests enabled
(initial value)
Bit 0—Voltage Rise Interrupt Enable (LVDUE)
This bit is used to control whether voltage rise interrupt requests are enabled or disabled.
Bit 0
LVDUE
0
1
Description
Voltage rise interrupt requests disabled
Voltage rise interrupt requests enabled
(initial value)
Rev. 8.00 Mar. 09, 2010 Page 435 of 658
REJ09B0042-0800